[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Jan 30 18:03:38 UTC 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 31 Jan, 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: 1030983
Prefixes after maximum aggregation (per Origin AS): 396131
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 507975
Number of IPv4 prefixes with a valid ROA: 610651
Number of IPv4 prefixes with an invalid ROA: 1435
Number of IPv4 prefixes with no ROA: 418897
Total ASes present in the Internet Routing Table: 77844
Prefixes per ASN: 13.24
Origin-only ASes present in the Internet Routing Table: 66880
Origin ASes announcing only one prefix: 27218
Transit ASes present in the Internet Routing Table: 10964
Transit-only ASes present in the Internet Routing Table: 545
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 209
Max AS path prepend of ASN (214570) 200
Prefixes from unregistered ASNs in the Routing Table: 1058
Number of instances of unregistered ASNs: 1097
Number of 32-bit ASNs allocated by the RIRs: 48540
Number of 32-bit ASNs visible in the Routing Table: 39739
Prefixes from 32-bit ASNs in the Routing Table: 221229
Number of bogon 32-bit ASNs visible in the Routing Table: 120
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 459
Number of addresses announced to Internet: 3106721920
Equivalent to 185 /8s, 44 /16s and 208 /24s
Percentage of available address space announced: 83.9
Percentage of allocated address space announced: 83.9
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: 335870
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 281351
Total APNIC prefixes after maximum aggregation: 82465
APNIC Deaggregation factor: 3.41
Prefixes being announced from the APNIC address blocks: 267587
Unique aggregates announced from the APNIC address blocks: 107029
APNIC Region origin ASes present in the Internet Routing Table: 15049
APNIC Prefixes per ASN: 17.78
APNIC Region origin ASes announcing only one prefix: 4613
APNIC Region transit ASes present in the Internet Routing Table: 1984
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10597
Number of APNIC addresses announced to Internet: 754874368
Equivalent to 44 /8s, 254 /16s and 120 /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: 302820
Total ARIN prefixes after maximum aggregation: 135686
ARIN Deaggregation factor: 2.23
Prefixes being announced from the ARIN address blocks: 302437
Unique aggregates announced from the ARIN address blocks: 146295
ARIN Region origin ASes present in the Internet Routing Table: 19389
ARIN Prefixes per ASN: 15.60
ARIN Region origin ASes announcing only one prefix: 7071
ARIN Region transit ASes present in the Internet Routing Table: 1920
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 28
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5447
Number of ARIN addresses announced to Internet: 1343591168
Equivalent to 80 /8s, 21 /16s and 147 /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: 283052
Total RIPE prefixes after maximum aggregation: 140058
RIPE Deaggregation factor: 2.02
Prefixes being announced from the RIPE address blocks: 285166
Unique aggregates announced from the RIPE address blocks: 185168
RIPE Region origin ASes present in the Internet Routing Table: 29165
RIPE Prefixes per ASN: 9.78
RIPE Region origin ASes announcing only one prefix: 12100
RIPE Region transit ASes present in the Internet Routing Table: 3983
Average RIPE Region AS path length visible: 4.8
Max RIPE Region AS path length visible: 209
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12962
Number of RIPE addresses announced to Internet: 733645440
Equivalent to 43 /8s, 186 /16s and 138 /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: 126253
Total LACNIC prefixes after maximum aggregation: 30295
LACNIC Deaggregation factor: 4.17
Prefixes being announced from the LACNIC address blocks: 122121
Unique aggregates announced from the LACNIC address blocks: 49455
LACNIC Region origin ASes present in the Internet Routing Table: 11353
LACNIC Prefixes per ASN: 10.76
LACNIC Region origin ASes announcing only one prefix: 2694
LACNIC Region transit ASes present in the Internet Routing Table: 2530
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: 9355
Number of LACNIC addresses announced to Internet: 170930176
Equivalent to 10 /8s, 48 /16s and 48 /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: 36449
Total AfriNIC prefixes after maximum aggregation: 6942
AfriNIC Deaggregation factor: 5.25
Prefixes being announced from the AfriNIC address blocks: 53213
Unique aggregates announced from the AfriNIC address blocks: 19638
AfriNIC Region origin ASes present in the Internet Routing Table: 2016
AfriNIC Prefixes per ASN: 26.40
AfriNIC Region origin ASes announcing only one prefix: 740
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: 1378
Number of AfriNIC addresses announced to Internet: 103397888
Equivalent to 6 /8s, 41 /16s and 186 /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 13700 8945 102 CHINAMOBILE-CN China Mobile Communication
7545 6021 833 571 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5031 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4735 544 339 BBIL-AP BHARTI Airtel Ltd., IN
7552 4037 1332 29 VIETEL-AS-AP Viettel Group, VN
7713 3729 1044 65 TELKOMNET-AS-AP PT Telekomunikasi Indones
56046 3422 831 184 CMNET-JIANGSU-AP China Mobile communicati
45899 3330 1868 98 VNPT-AS-VN VNPT Corp, VN
17561 3129 196 619 LCS-AS-AP LARUS Limited, HK
24560 2967 865 497 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 14089 38850 5518 AMAZON-02 - Amazon.com, Inc., US
22773 4780 3116 367 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica
11492 4637 308 1020 CABLEONE - CABLE ONE, INC., US
7155 3858 286 85 VIASAT-SP-BACKBONE - ViaSat,Inc., US
6327 3699 1321 71 SHAW - Shaw Communications, CA
174 3661 8768 856 COGENT-174 - Cogent Communications, LLC,
396982 3322 4866 496 GOOGLE-CLOUD-PLATFORM - Google LLC, US
749 3142 54728 2393 DNIC-AS-00749 - United States Department
16625 2817 1209 2121 AKAMAI-AS - Akamai Technologies, Inc., US
36352 2704 222 893 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 7241 1711 149 UNI2-AS, ES
39891 4901 302 71 ALJAWWALSTC-AS, SA
9009 3905 365 2230 M247, RO
20940 3818 3393 112 AKAMAI-ASN1, NL
12389 3179 2318 869 ROSTELECOM-AS PJSC Rostelecom. Technical
212238 2557 182 1856 CDNEXT, GB
34984 2434 366 578 TELLCOM-AS, TR
8452 1711 1852 14 TE-AS TE-AS, EG
13188 1607 100 27 TRIOLAN, UA
203020 1592 241 767 HOSTROYALE, IN
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 12637 3295 619 UNINET, MX
10620 3445 457 1107 Telmex Colombia S.A., CO
13999 2482 506 350 Mega Cable, S.A. de C.V., MX
11830 1990 369 65 Instituto Costarricense de Electricidad y
11664 1384 278 33 Techtel LMDS Comunicaciones Interactivas
28573 1375 2430 272 Claro NXT Telecomunicacoes Ltda, BR
3816 1339 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1257 371 22 INTEGRATEL PERU S.A.A., PE
22884 1056 67 358 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
26615 1007 2486 57 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 1983 646 33 RAYA-AS, EG
36992 1843 1532 339 ETISALAT-MISR, EG
24863 1282 389 16 LINKdotNET-AS, EG
36903 1232 555 98 MT-MPLS, MA
36935 1146 524 47 Vodafone-, EG
37069 1117 1112 11 MOBINIL, EG
29571 1070 78 20 ORANGE-COTE-IVOIRE, CI
20011 580 154 212 NTT-DATA-Inc, ZA
328608 573 49 167 Africa-on-Cloud-AS, ZA
36914 569 82 3 KENET-AS, 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 14089 38850 5518 AMAZON-02 - Amazon.com, Inc., US
9808 13700 8945 102 CHINAMOBILE-CN China Mobile Communication
8151 12637 3295 619 UNINET, MX
12479 7241 1711 149 UNI2-AS, ES
7545 6021 833 571 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5031 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4901 302 71 ALJAWWALSTC-AS, SA
22773 4780 3116 367 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica
9498 4735 544 339 BBIL-AP BHARTI Airtel Ltd., IN
11492 4637 308 1020 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 13700 13598 CHINAMOBILE-CN China Mobile Communications Grou
8151 12637 12018 UNINET, MX
12479 7241 7092 UNI2-AS, ES
7545 6021 5450 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5031 4954 ERX-CERNET-BKB China Education and Research Net
39891 4901 4830 ALJAWWALSTC-AS, SA
22773 4780 4413 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
9498 4735 4396 BBIL-AP BHARTI Airtel Ltd., IN
7552 4037 4008 VIETEL-AS-AP Viettel Group, VN
7155 3858 3773 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
393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887 - C
396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3 - Level 3 Parent
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
395476 UNALLOCATED 12.36.194.0/24 7018 ATT-INTERNET4 - AT&T En
395476 UNALLOCATED 12.36.195.0/24 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
23.137.48.0/24 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 /11:93 /12:302
/13:580 /14:1195 /15:2088 /16:13727 /17:8338 /18:13588
/19:25082 /20:46034 /21:52783 /22:113892 /23:106531 /24:645997
/25:683 /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 6817 12637 UNINET, MX
12479 6169 7241 UNI2-AS, ES
39891 3651 4901 ALJAWWALSTC-AS, SA
11492 3497 4637 CABLEONE - CABLE ONE, INC., US
6327 3479 3699 SHAW - Shaw Communications, CA
22773 3050 4780 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US
7155 2817 3858 VIASAT-SP-BACKBONE - ViaSat,Inc., US
16509 2509 14089 AMAZON-02 - Amazon.com, Inc., US
30036 2315 2660 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US
10620 2225 3445 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1846 2:1523 3:984 4:9 5:5039 6:185
7:6 8:1529 9:15 11:172 12:1227 13:616
14:2672 15:419 16:179 17:392 18:918 20:597
21:4 22:188 23:8141 24:2627 25:2 27:2740
29:19 31:3435 32:32 34:81 35:294 36:4649
37:4516 38:10333 39:1260 40:439 41:4535 42:964
43:2915 44:415 45:19715 46:4929 47:403 48:38
49:2193 50:2050 51:599 52:1255 54:238 55:1130
56:11 57:316 58:2227 59:1423 60:1174 61:3122
62:3105 63:1768 64:6203 65:2105 66:6027 67:3254
68:1495 69:4205 70:1036 71:617 72:3088 74:2976
75:1510 76:599 77:2698 78:1930 79:1805 80:2321
81:2162 82:4026 83:1468 84:2025 85:3701 86:1104
87:2397 88:1344 89:4655 90:823 91:8408 92:2865
93:3005 94:4320 95:4556 96:1449 97:314 98:950
99:782 100:69 101:1511 102:4381 103:32316 104:5405
105:794 106:919 107:2836 108:1232 109:4198 110:2305
111:4128 112:3129 113:1706 114:2176 115:2239 116:2162
117:3375 118:2501 119:2111 120:2698 121:1572 122:2966
123:2299 124:1686 125:2990 126:125 128:1661 129:947
130:1573 131:2341 132:777 133:461 134:1628 135:543
136:1633 137:1417 138:2959 139:1610 140:1828 141:1567
142:2478 143:2164 144:1596 145:628 146:2203 147:2273
148:2785 149:2952 150:1315 151:2671 152:2302 153:893
154:9691 155:2293 156:4586 157:2235 158:1510 159:2757
160:3650 161:2000 162:4040 163:2334 164:1970 165:2640
166:1291 167:2215 168:3947 169:910 170:5487 171:1115
172:4566 173:3443 174:892 175:1339 176:3779 177:4753
178:4372 179:2293 180:2972 181:4398 182:3913 183:2613
184:2011 185:21697 186:5552 187:4857 188:4607 189:4469
190:9677 191:1535 192:11480 193:9514 194:7837 195:5655
196:3242 197:3240 198:6231 199:6104 200:8195 201:6391
202:10819 203:10557 204:4731 205:3786 206:4457 207:3972
208:4359 209:5475 210:5009 211:2785 212:4972 213:4033
214:1077 215:54 216:7144 217:3473 218:1664 219:591
220:2185 221:1312 222:1074 223:3300
End of report
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