[Tznog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Sep 11 21:04:26 EAT 2026
This is an automated weekly mailing describing the state of the Global
IPv4 Routing Table as seen from APNIC's router in Japan.
The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG
UKNOF, TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG and the RIPE Routing WG.
Daily listings are sent to bgp-stats at lists.apnic.net.
For historical data, please see https://thyme.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.
IPv4 Routing Table Report 04:00 +10GMT Sat 12 Sep, 2026
IPv4 BGP Table (Global) as seen at Japan.
Report Website: https://thyme.apnic.net
Detailed Analysis: https://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 1076000
Prefixes after maximum aggregation (per Origin AS): 413095
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 531648
Number of IPv4 prefixes with a valid ROA: 745821
Number of IPv4 prefixes with an invalid ROA: 1523
Number of IPv4 prefixes with no ROA: 328656
Total ASes present in the Internet Routing Table: 79273
Prefixes per ASN: 13.57
Origin-only ASes present in the Internet Routing Table: 68120
Origin ASes announcing only one prefix: 27775
Transit ASes present in the Internet Routing Table: 11153
Transit-only ASes present in the Internet Routing Table: 594
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 69
Max AS path prepend of ASN ( 37447) 65
Prefixes from unregistered ASNs in the Routing Table: 1314
Number of instances of unregistered ASNs: 1336
Number of 32-bit ASNs allocated by the RIRs: 51178
Number of 32-bit ASNs visible in the Routing Table: 41624
Prefixes from 32-bit ASNs in the Routing Table: 240626
Number of bogon 32-bit ASNs visible in the Routing Table: 64
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 519
Number of addresses announced to Internet: 3126380288
Equivalent to 186 /8s, 88 /16s and 199 /24s
Percentage of available address space announced: 84.4
Percentage of allocated address space announced: 84.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 353826
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 293931
Total APNIC prefixes after maximum aggregation: 86161
APNIC Deaggregation factor: 3.41
Prefixes being announced from the APNIC address blocks: 280592
Unique aggregates announced from the APNIC address blocks: 109904
APNIC Region origin ASes present in the Internet Routing Table: 15385
APNIC Prefixes per ASN: 18.24
APNIC Region origin ASes announcing only one prefix: 4750
APNIC Region transit ASes present in the Internet Routing Table: 2028
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 37
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10972
Number of APNIC addresses announced to Internet: 749553024
Equivalent to 44 /8s, 173 /16s and 69 /24s
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-64098, 64297-64395, 131072-155961
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
222/8, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 312259
Total ARIN prefixes after maximum aggregation: 139131
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 310645
Unique aggregates announced from the ARIN address blocks: 151994
ARIN Region origin ASes present in the Internet Routing Table: 19469
ARIN Prefixes per ASN: 15.96
ARIN Region origin ASes announcing only one prefix: 7138
ARIN Region transit ASes present in the Internet Routing Table: 1909
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 34
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5762
Number of ARIN addresses announced to Internet: 1355513600
Equivalent to 80 /8s, 203 /16s and 127 /24s
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 62464-63487, 64198-64296, 393216-404380
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
54/8, 55/8, 56/8, 63/8, 64/8, 65/8, 66/8,
67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8,
74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8,
100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8,
131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8,
139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8,
148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8,
159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8,
167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8,
184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8,
207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 298730
Total RIPE prefixes after maximum aggregation: 148440
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 304282
Unique aggregates announced from the RIPE address blocks: 199025
RIPE Region origin ASes present in the Internet Routing Table: 29849
RIPE Prefixes per ASN: 10.19
RIPE Region origin ASes announcing only one prefix: 12347
RIPE Region transit ASes present in the Internet Routing Table: 4061
Average RIPE Region AS path length visible: 4.8
Max RIPE Region AS path length visible: 36
Number of RIPE region 32-bit ASNs visible in the Routing Table: 13867
Number of RIPE addresses announced to Internet: 749668480
Equivalent to 44 /8s, 175 /16s and 8 /24s
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
59392-61439, 61952-62463, 64396-64495
196608-219547
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
53/8, 57/8, 62/8, 77/8, 78/8, 79/8, 80/8,
81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8,
88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8,
95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8,
185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8,
217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 131701
Total LACNIC prefixes after maximum aggregation: 31574
LACNIC Deaggregation factor: 4.17
Prefixes being announced from the LACNIC address blocks: 125773
Unique aggregates announced from the LACNIC address blocks: 51478
LACNIC Region origin ASes present in the Internet Routing Table: 11508
LACNIC Prefixes per ASN: 10.93
LACNIC Region origin ASes announcing only one prefix: 2779
LACNIC Region transit ASes present in the Internet Routing Table: 2604
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 34
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9578
Number of LACNIC addresses announced to Internet: 167570944
Equivalent to 9 /8s, 252 /16s and 238 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-275868 + ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 38065
Total AfriNIC prefixes after maximum aggregation: 7035
AfriNIC Deaggregation factor: 5.41
Prefixes being announced from the AfriNIC address blocks: 54189
Unique aggregates announced from the AfriNIC address blocks: 18818
AfriNIC Region origin ASes present in the Internet Routing Table: 2081
AfriNIC Prefixes per ASN: 26.04
AfriNIC Region origin ASes announcing only one prefix: 761
AfriNIC Region transit ASes present in the Internet Routing Table: 374
Average AfriNIC Region AS path length visible: 5.3
Max AfriNIC Region AS path length visible: 69
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1445
Number of AfriNIC addresses announced to Internet: 103814144
Equivalent to 6 /8s, 48 /16s and 20 /24s
AfriNIC AS Blocks 36864-37887, 327680-330751 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
9808 14109 8920 104 CHINAMOBILE-CN - China Mobile Communicati
9498 5106 561 344 BBIL-AP - BHARTI Airtel Ltd., IN
4538 5069 4192 74 ERX-CERNET-BKB - China Education and Rese
18403 4647 347 24 FPT-VN - FPT Telecom Company, VN
7545 4633 825 315 TPG-INTERNET-AP - TPG Telecom Limited, AU
7552 4073 1331 24 VIETEL-AS-AP - Viettel Group, VN
56046 3628 887 178 CMNET-Jiangsu-AP - China Mobile communica
7713 3546 1043 69 telkomnet-as-ap - PT Telekomunikasi Indon
45899 3404 1868 99 VNPT-AS-VN - VNPT Corp, VN
140292 3219 340 1851 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK -
Complete listing at https://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 17113 42649 5650 AMAZON-02 - Amazon.com, Inc., US
22773 4863 3169 421 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica
11492 4612 306 1124 CABLEONE - CABLE ONE, INC., US
7155 4338 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US
6327 3807 1305 75 SHAW - Shaw Communications, CA
396982 3501 5361 592 GOOGLE-CLOUD-PLATFORM - Google LLC, US
36352 3219 240 1145 AS-COLOCROSSING - HostPapa, US
749 3132 54647 2383 DNIC-AS-00749 - United States Department
7029 2795 2544 890 WINDSTREAM - Windstream Communications LL
31898 2757 1369 1152 ORACLE-BMC-31898 - Oracle Corporation, US
Complete listing at https://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
12479 6972 1709 149 UNI2-AS - Orange Espagne SA, ES
39891 4907 302 76 ALJAWWALSTC-AS - Saudi Telecom Company JS
9009 4209 375 2557 M247 - M247 Europe SRL, RO
20940 3913 3388 107 AKAMAI-ASN1 - Akamai International B.V.,
212238 3592 260 2715 CDNEXT - Datacamp Limited, GB
12389 3166 2331 866 ROSTELECOM-AS - PJSC Rostelecom, RU
34984 2528 371 597 TELLCOM-AS - Superonline Iletisim Hizmetl
29355 2524 155 28 KCELL-AS - Kcell JSC, KZ
44559 1779 111 914 ITHOSTLINE - IT HOSTLINE LTD, CY
3257 1754 2088 993 GTT-BACKBONE - GTT Communications Inc., U
Complete listing at https://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 13167 3305 611 AS8151 - UNINET, MX
10620 3409 443 1116 AS10620 - Telmex Colombia S.A., CO
13999 2234 494 326 AS13999 - Mega Cable, S.A. de C.V., MX
11830 1875 369 65 AS11830 - Instituto Costarricense de Elec
11664 1507 277 34 AS11664 - Techtel LMDS Comunicaciones Int
28573 1377 2431 269 AS28573 - Claro NXT Telecomunicacoes Ltda
3816 1266 762 224 AS3816 - COLOMBIA TELECOMUNICACIONES S.A.
6147 1188 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE
27715 1107 77 59 AS27715 - Locaweb Servicos de Internet S/
22884 1099 70 384 AS22884 - TOTAL PLAY TELECOMUNICACIONES,
Complete listing at https://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24835 1979 509 28 Vodafone Data - Vodafone Data, EG
36992 1939 1543 328 ETISALAT MISR - ETISALAT MISR, EG
24863 1462 389 16 Link Egypt (Link.NET) - Link Egypt (Link.
36903 1353 589 106 Office National des Postes et Telecommuni
36935 1286 523 49 Vodafone Data - Vodafone Data, EG
37069 1128 1100 11 The Egyptian Company for Mobile Services
29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv
15399 596 58 63 Wananchi Group (Kenya) Limited - Wananchi
36914 550 82 3 Kenya Education Network - Kenya Education
20011 549 159 177 Dimension Data - Dimension Data, ZA
Complete listing at https://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 17113 42649 5650 AMAZON-02 - Amazon.com, Inc., US
9808 14109 8920 104 CHINAMOBILE-CN - China Mobile Communicati
8151 13167 3305 611 AS8151 - UNINET, MX
12479 6972 1709 149 UNI2-AS - Orange Espagne SA, ES
9498 5106 561 344 BBIL-AP - BHARTI Airtel Ltd., IN
4538 5069 4192 74 ERX-CERNET-BKB - China Education and Rese
39891 4907 302 76 ALJAWWALSTC-AS - Saudi Telecom Company JS
22773 4863 3169 421 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica
18403 4647 347 24 FPT-VN - FPT Telecom Company, VN
7545 4633 825 315 TPG-INTERNET-AP - TPG Telecom Limited, AU
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 14109 14005 CHINAMOBILE-CN - China Mobile Communications Gr
8151 13167 12556 AS8151 - UNINET, MX
12479 6972 6823 UNI2-AS - Orange Espagne SA, ES
4538 5069 4995 ERX-CERNET-BKB - China Education and Research N
39891 4907 4831 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA
9498 5106 4762 BBIL-AP - BHARTI Airtel Ltd., IN
18403 4647 4623 FPT-VN - FPT Telecom Company, VN
22773 4863 4442 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7545 4633 4318 TPG-INTERNET-AP - TPG Telecom Limited, AU
7155 4338 4251 VIASAT-SP-BACKBONE - ViaSat,Inc., US
Complete listing at https://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
394928 UNALLOCATED 8.2.70.0/24 3356 LEVEL3 - Level 3 Parent
23338 UNALLOCATED 8.14.84.0/22 33667 CMCS - Comcast Cable Co
395729 UNALLOCATED 8.28.60.0/24 32787 PROLEXIC-TECHNOLOGIES-D
396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3 - Level 3 Parent
394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174 - Cogent Com
396243 UNALLOCATED 8.34.113.0/24 3356 LEVEL3 - Level 3 Parent
397274 UNALLOCATED 8.36.79.0/24 3356 LEVEL3 - Level 3 Parent
396243 UNALLOCATED 8.37.112.0/24 3356 LEVEL3 - Level 3 Parent
396243 UNALLOCATED 8.37.123.0/24 3356 LEVEL3 - Level 3 Parent
395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3 - Level 3 Parent
Complete listing at https://thyme.apnic.net/current/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 6939 HURRICANE - Hurricane Electric LLC, US
Complete listing at https://thyme.apnic.net/current/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
23.130.160.0/24 Origin: 16509 AMAZON-02 - Amazon.com, Inc., US
23.130.160.0/24 Transit: 2516 KDDI - KDDI CORPORATION, JP
23.131.100.0/24 Origin: 401541 UNASSIGNED
23.131.100.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu
23.131.156.0/24 Origin: 401541 UNASSIGNED
23.131.156.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu
23.131.212.0/24 Origin: 401541 UNASSIGNED
23.131.212.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu
23.133.212.0/24 Origin: 18604 UNASSIGNED
23.133.212.0/24 Transit: 394625 WHITELABELIT - WhiteLabel IT Solutions C
Complete listing at https://thyme.apnic.net/current/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:16 /9:14 /10:39 /11:97 /12:299
/13:590 /14:1191 /15:2140 /16:13785 /17:8385 /18:13415
/19:25785 /20:46901 /21:54139 /22:113974 /23:111250 /24:683279
/25:701 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 7333 13167 AS8151 - UNINET, MX
12479 5891 6972 UNI2-AS - Orange Espagne SA, ES
39891 3656 4907 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA
6327 3573 3807 SHAW - Shaw Communications, CA
11492 3520 4612 CABLEONE - CABLE ONE, INC., US
7155 3269 4338 VIASAT-SP-BACKBONE - ViaSat,Inc., US
16509 3268 17113 AMAZON-02 - Amazon.com, Inc., US
22773 3109 4863 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US
10620 2244 3409 AS10620 - Telmex Colombia S.A., CO
30036 2192 2540 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2747 2:2934 3:1467 4:5 5:5344 6:215
7:6 8:1368 9:110 11:172 12:1096 13:1117
14:2739 15:492 16:275 17:464 18:1271 20:602
21:4 22:188 23:8622 24:2797 25:2 27:2871
28:7 29:19 31:3929 32:36 34:94 35:296
36:4933 37:4454 38:10324 39:1433 40:460 41:4631
42:2260 43:3427 44:512 45:19892 46:5047 47:462
48:171 49:2291 50:2019 51:954 52:1403 54:379
55:1086 56:11 57:337 58:2591 59:1442 60:1197
61:3340 62:3174 63:1705 64:6647 65:2220 66:6307
67:3344 68:1304 69:4109 70:1089 71:608 72:3292
74:3151 75:1735 76:597 77:2936 78:2148 79:1922
80:2403 81:2315 82:4357 83:1500 84:2167 85:3882
86:1136 87:3091 88:1340 89:4905 90:769 91:8516
92:2755 93:3064 94:4656 95:4787 96:1458 97:305
98:945 99:1070 100:65 101:1371 102:4762 103:32479
104:5723 105:928 106:931 107:3004 108:1512 109:3978
110:2243 111:4287 112:3160 113:1956 114:2612 115:2257
116:2121 117:3882 118:2951 119:2126 120:2881 121:1886
122:3088 123:2239 124:1737 125:3015 126:156 128:1602
129:977 130:1770 131:2566 132:893 133:484 134:1812
135:673 136:1595 137:1476 138:3459 139:1819 140:1945
141:1869 142:2699 143:2342 144:1910 145:712 146:2230
147:2389 148:2870 149:3737 150:1434 151:3067 152:2474
153:2100 154:9279 155:2375 156:4122 157:2460 158:1661
159:2946 160:4088 161:2105 162:4246 163:2744 164:2437
165:2763 166:1260 167:2405 168:4247 169:957 170:5608
171:1131 172:4964 173:3480 174:896 175:1419 176:4072
177:5629 178:4688 179:2763 180:3415 181:4684 182:4077
183:2886 184:2218 185:22039 186:6640 187:5819 188:4791
189:4832 190:9948 191:1934 192:11852 193:9613 194:7973
195:5982 196:3413 197:3250 198:6366 199:6138 200:8476
201:6912 202:10799 203:10579 204:4787 205:3800 206:4503
207:4123 208:4323 209:5554 210:4912 211:2817 212:5252
213:4164 214:1027 215:50 216:7363 217:3810 218:1989
219:583 220:2243 221:1469 222:1177 223:3644
End of report
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