[Tznog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Feb 27 21:03:31 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 28 Feb, 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: 1039317
Prefixes after maximum aggregation (per Origin AS): 398024
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 510339
Number of IPv4 prefixes with a valid ROA: 620179
Number of IPv4 prefixes with an invalid ROA: 1361
Number of IPv4 prefixes with no ROA: 417777
Total ASes present in the Internet Routing Table: 78078
Prefixes per ASN: 13.31
Origin-only ASes present in the Internet Routing Table: 67092
Origin ASes announcing only one prefix: 27321
Transit ASes present in the Internet Routing Table: 10986
Transit-only ASes present in the Internet Routing Table: 564
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: 1124
Number of instances of unregistered ASNs: 1163
Number of 32-bit ASNs allocated by the RIRs: 48889
Number of 32-bit ASNs visible in the Routing Table: 39990
Prefixes from 32-bit ASNs in the Routing Table: 222954
Number of bogon 32-bit ASNs visible in the Routing Table: 116
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 441
Number of addresses announced to Internet: 3114644224
Equivalent to 185 /8s, 165 /16s and 179 /24s
Percentage of available address space announced: 84.1
Percentage of allocated address space announced: 84.1
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: 337601
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 285106
Total APNIC prefixes after maximum aggregation: 82299
APNIC Deaggregation factor: 3.46
Prefixes being announced from the APNIC address blocks: 272227
Unique aggregates announced from the APNIC address blocks: 107120
APNIC Region origin ASes present in the Internet Routing Table: 15092
APNIC Prefixes per ASN: 18.04
APNIC Region origin ASes announcing only one prefix: 4641
APNIC Region transit ASes present in the Internet Routing Table: 1996
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 34
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10643
Number of APNIC addresses announced to Internet: 753174656
Equivalent to 44 /8s, 228 /16s and 136 /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: 304722
Total ARIN prefixes after maximum aggregation: 136646
ARIN Deaggregation factor: 2.23
Prefixes being announced from the ARIN address blocks: 303532
Unique aggregates announced from the ARIN address blocks: 147179
ARIN Region origin ASes present in the Internet Routing Table: 19411
ARIN Prefixes per ASN: 15.64
ARIN Region origin ASes announcing only one prefix: 7092
ARIN Region transit ASes present in the Internet Routing Table: 1930
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5489
Number of ARIN addresses announced to Internet: 1352813824
Equivalent to 80 /8s, 162 /16s and 77 /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, 393216-402332
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: 285237
Total RIPE prefixes after maximum aggregation: 141047
RIPE Deaggregation factor: 2.02
Prefixes being announced from the RIPE address blocks: 287843
Unique aggregates announced from the RIPE address blocks: 186606
RIPE Region origin ASes present in the Internet Routing Table: 29308
RIPE Prefixes per ASN: 9.82
RIPE Region origin ASes announcing only one prefix: 12167
RIPE Region transit ASes present in the Internet Routing Table: 3980
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: 13117
Number of RIPE addresses announced to Internet: 733244288
Equivalent to 43 /8s, 180 /16s and 107 /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
196608-216475
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: 126542
Total LACNIC prefixes after maximum aggregation: 30372
LACNIC Deaggregation factor: 4.17
Prefixes being announced from the LACNIC address blocks: 122318
Unique aggregates announced from the LACNIC address blocks: 49610
LACNIC Region origin ASes present in the Internet Routing Table: 11350
LACNIC Prefixes per ASN: 10.78
LACNIC Region origin ASes announcing only one prefix: 2679
LACNIC Region transit ASes present in the Internet Routing Table: 2526
Average LACNIC Region AS path length visible: 5.4
Max LACNIC Region AS path length visible: 69
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9360
Number of LACNIC addresses announced to Internet: 170949888
Equivalent to 10 /8s, 48 /16s and 125 /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: 36586
Total AfriNIC prefixes after maximum aggregation: 6945
AfriNIC Deaggregation factor: 5.27
Prefixes being announced from the AfriNIC address blocks: 52956
Unique aggregates announced from the AfriNIC address blocks: 19441
AfriNIC Region origin ASes present in the Internet Routing Table: 2016
AfriNIC Prefixes per ASN: 26.27
AfriNIC Region origin ASes announcing only one prefix: 742
AfriNIC Region transit ASes present in the Internet Routing Table: 387
Average AfriNIC Region AS path length visible: 5.3
Max AfriNIC Region AS path length visible: 53
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1381
Number of AfriNIC addresses announced to Internet: 103214592
Equivalent to 6 /8s, 38 /16s and 238 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & 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 13817 8945 105 CHINAMOBILE-CN China Mobile Communication
7545 5996 831 546 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5026 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4807 546 330 BBIL-AP BHARTI Airtel Ltd., IN
18403 4532 347 24 FPT-AS-AP FPT Telecom Company, VN
7552 4049 1332 29 VIETEL-AS-AP Viettel Group, VN
7713 3673 1044 65 TELKOMNET-AS-AP PT Telekomunikasi Indones
56046 3468 887 178 CMNET-JIANGSU-AP China Mobile communicati
45899 3330 1868 99 VNPT-AS-VN VNPT Corp, VN
24560 2979 863 509 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
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 14399 41221 5556 AMAZON-02 - Amazon.com, Inc., US
22773 4782 3119 371 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica
11492 4640 308 1017 CABLEONE - CABLE ONE, INC., US
7155 3861 286 85 VIASAT-SP-BACKBONE - ViaSat,Inc., US
174 3783 8769 861 COGENT-174 - Cogent Communications, LLC,
6327 3709 1321 71 SHAW - Shaw Communications, CA
396982 3287 4856 483 GOOGLE-CLOUD-PLATFORM - Google LLC, US
749 3141 54728 2392 DNIC-AS-00749 - United States Department
16625 2738 1191 2104 AKAMAI-AS - Akamai Technologies, Inc., US
36352 2698 221 889 AS-COLOCROSSING - HostPapa, 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 7232 1711 149 UNI2-AS, ES
39891 4969 306 72 ALJAWWALSTC-AS, SA
20940 3837 3393 113 AKAMAI-ASN1, NL
9009 3822 355 2244 M247, RO
12389 3173 2320 870 ROSTELECOM-AS PJSC Rostelecom. Technical
212238 2653 192 1944 CDNEXT, GB
34984 2470 366 577 TELLCOM-AS, TR
8452 1695 1853 19 TE-AS TE-AS, EG
203020 1609 243 782 HOSTROYALE, IN
13188 1607 100 27 TRIOLAN, UA
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 12745 3299 599 UNINET, MX
10620 3450 457 1104 Telmex Colombia S.A., CO
13999 2453 506 349 Mega Cable, S.A. de C.V., MX
11830 1958 369 65 Instituto Costarricense de Electricidad y
11664 1439 278 33 Techtel LMDS Comunicaciones Interactivas
28573 1377 2430 272 Claro NXT Telecomunicacoes Ltda, BR
3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1250 371 22 INTEGRATEL PERU S.A.A., PE
22884 1060 67 360 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
26615 1058 2475 94 TIM SA, 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 1915 612 30 RAYA-AS, EG
36992 1846 1532 339 ETISALAT-MISR, EG
24863 1288 389 16 LINKdotNET-AS, EG
36903 1232 555 98 MT-MPLS, MA
36935 1151 522 46 Vodafone-, EG
37069 1117 1112 11 MOBINIL, EG
29571 1073 78 20 ORANGE-COTE-IVOIRE, CI
20011 580 154 212 NTT-DATA-Inc, ZA
328608 564 47 168 Africa-on-Cloud-AS, ZA
15399 552 57 59 WANANCHI-, KE
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 14399 41221 5556 AMAZON-02 - Amazon.com, Inc., US
9808 13817 8945 105 CHINAMOBILE-CN China Mobile Communication
8151 12745 3299 599 UNINET, MX
12479 7232 1711 149 UNI2-AS, ES
7545 5996 831 546 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5026 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4969 306 72 ALJAWWALSTC-AS, SA
9498 4807 546 330 BBIL-AP BHARTI Airtel Ltd., IN
22773 4782 3119 371 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica
11492 4640 308 1017 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 13817 13712 CHINAMOBILE-CN China Mobile Communications Grou
8151 12745 12146 UNINET, MX
12479 7232 7083 UNI2-AS, ES
7545 5996 5450 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5026 4949 ERX-CERNET-BKB China Education and Research Net
39891 4969 4897 ALJAWWALSTC-AS, SA
18403 4532 4508 FPT-AS-AP FPT Telecom Company, VN
9498 4807 4477 BBIL-AP BHARTI Airtel Ltd., IN
22773 4782 4411 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7552 4049 4020 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
393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887 - C
396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3 - Level 3 Parent
13450 UNALLOCATED 8.29.117.0/24 55002 DEFENSE-NET - F5, Inc.,
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE - Phonos
395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3 - Level 3 Parent
1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3 - Level 3 Parent
13342 UNALLOCATED 12.17.5.0/24 174 COGENT-174 - Cogent Com
26345 UNALLOCATED 12.21.93.0/24 40264 TWC-40264-WI-MN-UPPERMI
396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4 - AT&T En
397665 UNALLOCATED 12.24.28.0/24 7018 ATT-INTERNET4 - AT&T En
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
23.137.48.0/24 Origin: 16904 ARVIG-16904 - Arvig Enterprises Inc., US
23.137.48.0/24 Transit: 3257 GTT-BACKBONE GTT, US
23.137.200.0/24 Origin: 16276 OVH, FR
23.137.200.0/24 Transit: 2516 KDDI KDDI CORPORATION, JP
23.140.216.0/24 Origin: 27176 DATAWAGON - DataWagon LLC, US
23.140.216.0/24 Transit: 20278 NEXEON - Nexeon Technologies, Inc., US
23.141.0.0/24 Origin: 395350 RESERVED, ZZ
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS - Charter Communicat
23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA
23.142.24.0/24 Transit: 64236 UNREAL-SERVERS - UnReal Servers, LLC, 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 /10:40 /11:95 /12:299
/13:583 /14:1199 /15:2106 /16:13707 /17:8376 /18:13629
/19:25672 /20:46537 /21:52924 /22:113951 /23:107495 /24:651985
/25:689 /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 6921 12745 UNINET, MX
12479 6162 7232 UNI2-AS, ES
39891 3655 4969 ALJAWWALSTC-AS, SA
11492 3500 4640 CABLEONE - CABLE ONE, INC., US
6327 3488 3709 SHAW - Shaw Communications, CA
22773 3048 4782 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US
7155 2820 3861 VIASAT-SP-BACKBONE - ViaSat,Inc., US
16509 2611 14399 AMAZON-02 - Amazon.com, Inc., US
30036 2311 2657 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US
10620 2230 3450 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2541 2:1602 3:976 4:9 5:5119 6:193
7:6 8:1525 9:27 11:172 12:1197 13:649
14:2691 15:455 16:177 17:398 18:922 20:600
21:4 22:188 23:8179 24:2634 25:2 27:2753
29:19 31:3424 32:31 34:81 35:290 36:4640
37:4460 38:10304 39:1270 40:424 41:4549 42:2029
43:2948 44:439 45:19871 46:4919 47:404 48:53
49:2200 50:2086 51:600 52:1282 54:267 55:1113
56:11 57:319 58:2422 59:1414 60:1176 61:3120
62:3139 63:1760 64:6241 65:2115 66:6037 67:3262
68:1499 69:4243 70:1040 71:615 72:3126 74:2980
75:1502 76:594 77:2827 78:1912 79:1790 80:2348
81:2229 82:4041 83:1452 84:2052 85:3836 86:1106
87:2394 88:1351 89:4709 90:811 91:8455 92:2865
93:3011 94:4331 95:4596 96:1448 97:314 98:951
99:797 100:67 101:1341 102:4454 103:32349 104:5506
105:793 106:924 107:2855 108:1218 109:4228 110:2288
111:4157 112:3147 113:1983 114:2181 115:2223 116:2171
117:3468 118:2980 119:2104 120:2709 121:1572 122:2984
123:2343 124:1703 125:3005 126:125 128:1672 129:964
130:1590 131:2406 132:793 133:464 134:1642 135:567
136:1629 137:1414 138:3109 139:1623 140:1842 141:1575
142:2536 143:2156 144:1727 145:637 146:2206 147:2158
148:2781 149:2988 150:1328 151:2679 152:2283 153:946
154:9621 155:2300 156:4379 157:2245 158:1506 159:2774
160:3723 161:1958 162:4006 163:2384 164:2018 165:2610
166:1288 167:2235 168:3965 169:891 170:5521 171:1119
172:4583 173:3461 174:887 175:1350 176:3807 177:4740
178:4371 179:2289 180:3026 181:4427 182:3969 183:2840
184:2007 185:21783 186:5624 187:4910 188:4559 189:4499
190:9744 191:1571 192:11500 193:9599 194:7866 195:5702
196:3277 197:3222 198:6280 199:6127 200:8208 201:6377
202:10843 203:10550 204:4758 205:3773 206:4509 207:4012
208:4379 209:5451 210:5004 211:2779 212:5012 213:4086
214:1076 215:54 216:7224 217:3525 218:1730 219:590
220:2197 221:1316 222:1080 223:3333
End of report
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