[Tznog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Jul 24 21:04:15 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 25 Jul, 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: 1065324
Prefixes after maximum aggregation (per Origin AS): 408362
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 525854
Number of IPv4 prefixes with a valid ROA: 718512
Number of IPv4 prefixes with an invalid ROA: 1514
Number of IPv4 prefixes with no ROA: 345298
Total ASes present in the Internet Routing Table: 78913
Prefixes per ASN: 13.50
Origin-only ASes present in the Internet Routing Table: 67772
Origin ASes announcing only one prefix: 27643
Transit ASes present in the Internet Routing Table: 11141
Transit-only ASes present in the Internet Routing Table: 586
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 69
Max AS path prepend of ASN (269326) 61
Prefixes from unregistered ASNs in the Routing Table: 1314
Number of instances of unregistered ASNs: 1353
Number of 32-bit ASNs allocated by the RIRs: 50373
Number of 32-bit ASNs visible in the Routing Table: 41173
Prefixes from 32-bit ASNs in the Routing Table: 236463
Number of bogon 32-bit ASNs visible in the Routing Table: 146
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 497
Number of addresses announced to Internet: 3121780992
Equivalent to 186 /8s, 18 /16s and 153 /24s
Percentage of available address space announced: 84.3
Percentage of allocated address space announced: 84.3
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: 348760
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 291946
Total APNIC prefixes after maximum aggregation: 84770
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 277901
Unique aggregates announced from the APNIC address blocks: 109025
APNIC Region origin ASes present in the Internet Routing Table: 15310
APNIC Prefixes per ASN: 18.15
APNIC Region origin ASes announcing only one prefix: 4735
APNIC Region transit ASes present in the Internet Routing Table: 2035
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: 10885
Number of APNIC addresses announced to Internet: 749835136
Equivalent to 44 /8s, 177 /16s and 147 /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: 308359
Total ARIN prefixes after maximum aggregation: 138415
ARIN Deaggregation factor: 2.23
Prefixes being announced from the ARIN address blocks: 306370
Unique aggregates announced from the ARIN address blocks: 150140
ARIN Region origin ASes present in the Internet Routing Table: 19473
ARIN Prefixes per ASN: 15.73
ARIN Region origin ASes announcing only one prefix: 7122
ARIN Region transit ASes present in the Internet Routing Table: 1914
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5693
Number of ARIN addresses announced to Internet: 1348547328
Equivalent to 80 /8s, 97 /16s and 51 /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: 295896
Total RIPE prefixes after maximum aggregation: 146266
RIPE Deaggregation factor: 2.02
Prefixes being announced from the RIPE address blocks: 300873
Unique aggregates announced from the RIPE address blocks: 196143
RIPE Region origin ASes present in the Internet Routing Table: 29638
RIPE Prefixes per ASN: 10.15
RIPE Region origin ASes announcing only one prefix: 12274
RIPE Region transit ASes present in the Internet Routing Table: 4028
Average RIPE Region AS path length visible: 4.8
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 13649
Number of RIPE addresses announced to Internet: 749839232
Equivalent to 44 /8s, 177 /16s and 163 /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: 130110
Total LACNIC prefixes after maximum aggregation: 31059
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 124593
Unique aggregates announced from the LACNIC address blocks: 50490
LACNIC Region origin ASes present in the Internet Routing Table: 11461
LACNIC Prefixes per ASN: 10.87
LACNIC Region origin ASes announcing only one prefix: 2771
LACNIC Region transit ASes present in the Internet Routing Table: 2609
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 69
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9533
Number of LACNIC addresses announced to Internet: 169326592
Equivalent to 10 /8s, 23 /16s and 184 /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: 37699
Total AfriNIC prefixes after maximum aggregation: 7116
AfriNIC Deaggregation factor: 5.30
Prefixes being announced from the AfriNIC address blocks: 55090
Unique aggregates announced from the AfriNIC address blocks: 19633
AfriNIC Region origin ASes present in the Internet Routing Table: 2052
AfriNIC Prefixes per ASN: 26.85
AfriNIC Region origin ASes announcing only one prefix: 741
AfriNIC Region transit ASes present in the Internet Routing Table: 382
Average AfriNIC Region AS path length visible: 5.4
Max AfriNIC Region AS path length visible: 57
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1413
Number of AfriNIC addresses announced to Internet: 103957248
Equivalent to 6 /8s, 50 /16s and 67 /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 14123 8921 101 CHINAMOBILE-CN - China Mobile Communicati
7545 5837 818 450 TPG-INTERNET-AP - TPG Telecom Limited, AU
4538 5073 4192 74 ERX-CERNET-BKB - China Education and Rese
9498 5043 557 337 BBIL-AP - BHARTI Airtel Ltd., IN
18403 4589 347 24 FPT-VN - FPT Telecom Company, VN
7552 4018 1331 24 VIETEL-AS-AP - Viettel Group, VN
7713 3764 1044 63 telkomnet-as-ap - PT Telekomunikasi Indon
17561 3681 231 648 LCS-AS-AP - LARUS Limited, HK
56046 3584 887 179 CMNET-Jiangsu-AP - China Mobile communica
45899 3400 1868 99 VNPT-AS-VN - VNPT Corp, VN
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 15612 41517 5630 AMAZON-02 - Amazon.com, Inc., US
22773 4796 3125 366 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica
11492 4593 305 1116 CABLEONE - CABLE ONE, INC., US
7155 3989 286 111 VIASAT-SP-BACKBONE - ViaSat,Inc., US
6327 3728 1305 75 SHAW - Shaw Communications, CA
396982 3444 4874 537 GOOGLE-CLOUD-PLATFORM - Google LLC, US
36352 3173 237 1108 AS-COLOCROSSING - HostPapa, US
749 3135 54727 2386 DNIC-AS-00749 - United States Department
7029 2689 2533 876 WINDSTREAM - Windstream Communications LL
30036 2553 356 544 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom C
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 7042 1711 150 UNI2-AS - Orange Espagne SA, ES
39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS
9009 4187 378 2565 M247 - M247 Europe SRL, RO
20940 3812 3389 109 AKAMAI-ASN1 - Akamai International B.V.,
212238 3465 247 2608 CDNEXT - Datacamp Limited, GB
12389 3164 2332 873 ROSTELECOM-AS - PJSC Rostelecom, RU
29355 2548 151 25 KCELL-AS - Kcell JSC, KZ
34984 2489 367 587 TELLCOM-AS - Superonline Iletisim Hizmetl
8452 1718 1852 17 TE-AS - IDDQD-AS, EG
203020 1666 254 832 HostRoyale - HostRoyale Technologies Pvt
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 12844 3264 621 AS8151 - UNINET, MX
10620 3441 451 1105 AS10620 - Telmex Colombia S.A., CO
13999 2286 499 328 AS13999 - Mega Cable, S.A. de C.V., MX
11830 1904 369 65 AS11830 - Instituto Costarricense de Elec
11664 1491 277 34 AS11664 - Techtel LMDS Comunicaciones Int
28573 1370 2431 275 AS28573 - Claro NXT Telecomunicacoes Ltda
3816 1342 768 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A.
6147 1211 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE
22884 1097 70 386 AS22884 - TOTAL PLAY TELECOMUNICACIONES,
26615 1052 2384 95 AS26615 - TIM S/A, BR
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 1987 601 34 Vodafone Data - Vodafone Data, EG
36992 1928 1543 334 ETISALAT MISR - ETISALAT MISR, EG
36903 1350 587 104 Office National des Postes et Telecommuni
24863 1307 389 16 Link Egypt (Link.NET) - Link Egypt (Link.
36935 1294 523 46 Vodafone Data - Vodafone Data, EG
37069 1116 1100 11 The Egyptian Company for Mobile Services
29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv
328608 580 54 195 Africa on Cloud - Africa on Cloud, ZA
15399 564 58 63 Wananchi Group (Kenya) Limited - Wananchi
36914 559 82 3 Kenya Education Network - Kenya Education
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 15612 41517 5630 AMAZON-02 - Amazon.com, Inc., US
9808 14123 8921 101 CHINAMOBILE-CN - China Mobile Communicati
8151 12844 3264 621 AS8151 - UNINET, MX
12479 7042 1711 150 UNI2-AS - Orange Espagne SA, ES
7545 5837 818 450 TPG-INTERNET-AP - TPG Telecom Limited, AU
4538 5073 4192 74 ERX-CERNET-BKB - China Education and Rese
9498 5043 557 337 BBIL-AP - BHARTI Airtel Ltd., IN
39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS
22773 4796 3125 366 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica
11492 4593 305 1116 CABLEONE - CABLE ONE, INC., US
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 14123 14022 CHINAMOBILE-CN - China Mobile Communications Gr
8151 12844 12223 AS8151 - UNINET, MX
12479 7042 6892 UNI2-AS - Orange Espagne SA, ES
7545 5837 5387 TPG-INTERNET-AP - TPG Telecom Limited, AU
4538 5073 4999 ERX-CERNET-BKB - China Education and Research N
39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA
9498 5043 4706 BBIL-AP - BHARTI Airtel Ltd., IN
18403 4589 4565 FPT-VN - FPT Telecom Company, VN
22773 4796 4430 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7552 4018 3994 VIETEL-AS-AP - Viettel Group, VN
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
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 22442 HOU-PHONOSCOPE - Phonos
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
397274 UNALLOCATED 8.40.70.0/24 3356 LEVEL3 - Level 3 Parent
400273 UNALLOCATED 8.41.137.0/24 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
23.131.100.0/24 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
23.132.252.0/24 Origin: 401617 VIETTEL - Viettell, VN
23.132.252.0/24 Transit: 401541 UNASSIGNED
23.133.212.0/24 Origin: 18604 UNASSIGNED
23.133.212.0/24 Transit: 32217 GPIEX - GPIEX INC, US
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
/13:586 /14:1186 /15:2124 /16:13756 /17:8390 /18:13466
/19:25761 /20:47067 /21:53307 /22:113986 /23:110381 /24:674150
/25:699 /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 7073 12844 AS8151 - UNINET, MX
12479 5970 7042 UNI2-AS - Orange Espagne SA, ES
39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA
6327 3507 3728 SHAW - Shaw Communications, CA
11492 3484 4593 CABLEONE - CABLE ONE, INC., US
22773 3056 4796 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US
16509 2956 15612 AMAZON-02 - Amazon.com, Inc., US
7155 2943 3989 VIASAT-SP-BACKBONE - ViaSat,Inc., US
10620 2245 3441 AS10620 - Telmex Colombia S.A., CO
30036 2208 2553 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)
----------------------------------------------
1:2594 2:2824 3:1024 4:5 5:5265 6:204
7:6 8:1393 9:78 11:172 12:1104 13:805
14:2785 15:483 16:260 17:455 18:941 20:600
21:4 22:188 23:8540 24:2786 25:2 27:2795
28:6 29:19 31:3831 32:37 34:93 35:289
36:4872 37:4442 38:10158 39:1376 40:418 41:4584
42:2212 43:3305 44:475 45:20065 46:4992 47:463
48:168 49:2269 50:2014 51:867 52:1371 54:303
55:1173 56:11 57:331 58:2473 59:1408 60:1214
61:3193 62:3156 63:1753 64:6555 65:2153 66:6178
67:3348 68:1295 69:4077 70:1053 71:606 72:3267
74:3070 75:1594 76:598 77:2921 78:2121 79:2056
80:2395 81:2286 82:4258 83:1489 84:2169 85:3912
86:1102 87:2886 88:1319 89:4819 90:781 91:8504
92:2764 93:3043 94:4473 95:4708 96:1456 97:309
98:932 99:965 100:72 101:1349 102:4729 103:32446
104:5644 105:836 106:904 107:2982 108:1351 109:3914
110:2284 111:4225 112:3125 113:1943 114:2524 115:2245
116:2088 117:3679 118:3001 119:2114 120:2808 121:1710
122:3056 123:2228 124:1775 125:3027 126:157 128:1584
129:985 130:1722 131:2541 132:888 133:489 134:1763
135:648 136:1544 137:1451 138:3454 139:1796 140:1934
141:1803 142:2633 143:2125 144:1825 145:698 146:2190
147:2298 148:2817 149:3592 150:1377 151:2972 152:2454
153:1930 154:9917 155:2382 156:4677 157:2435 158:1621
159:2892 160:3863 161:2033 162:4186 163:2671 164:2380
165:2779 166:1306 167:2364 168:4227 169:902 170:5617
171:1135 172:4918 173:3473 174:889 175:1386 176:4038
177:5245 178:4498 179:2543 180:3246 181:4690 182:4045
183:2838 184:2048 185:21920 186:6577 187:5530 188:4756
189:4646 190:9974 191:1806 192:11837 193:9650 194:7962
195:5913 196:3454 197:3137 198:6368 199:6104 200:8446
201:6655 202:10805 203:10538 204:4748 205:3786 206:4476
207:4104 208:4339 209:5500 210:4905 211:2794 212:5218
213:4133 214:1023 215:47 216:7319 217:3746 218:1923
219:584 220:2289 221:1348 222:1096 223:3605
End of report
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