[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri May 1 18:03:36 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 02 May, 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: 1049583
Prefixes after maximum aggregation (per Origin AS): 401345
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 515625
Number of IPv4 prefixes with a valid ROA: 624805
Number of IPv4 prefixes with an invalid ROA: 1525
Number of IPv4 prefixes with no ROA: 423253
Total ASes present in the Internet Routing Table: 78417
Prefixes per ASN: 13.38
Origin-only ASes present in the Internet Routing Table: 67393
Origin ASes announcing only one prefix: 27431
Transit ASes present in the Internet Routing Table: 11024
Transit-only ASes present in the Internet Routing Table: 573
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: 1015
Number of instances of unregistered ASNs: 1045
Number of 32-bit ASNs allocated by the RIRs: 49605
Number of 32-bit ASNs visible in the Routing Table: 40502
Prefixes from 32-bit ASNs in the Routing Table: 229133
Number of bogon 32-bit ASNs visible in the Routing Table: 105
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 426
Number of addresses announced to Internet: 3105992704
Equivalent to 185 /8s, 33 /16s and 176 /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: 341696
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 287583
Total APNIC prefixes after maximum aggregation: 83104
APNIC Deaggregation factor: 3.46
Prefixes being announced from the APNIC address blocks: 273814
Unique aggregates announced from the APNIC address blocks: 107569
APNIC Region origin ASes present in the Internet Routing Table: 15205
APNIC Prefixes per ASN: 18.01
APNIC Region origin ASes announcing only one prefix: 4674
APNIC Region transit ASes present in the Internet Routing Table: 2007
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 44
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10771
Number of APNIC addresses announced to Internet: 749980032
Equivalent to 44 /8s, 179 /16s and 201 /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: 305099
Total ARIN prefixes after maximum aggregation: 136726
ARIN Deaggregation factor: 2.23
Prefixes being announced from the ARIN address blocks: 304328
Unique aggregates announced from the ARIN address blocks: 147550
ARIN Region origin ASes present in the Internet Routing Table: 19428
ARIN Prefixes per ASN: 15.66
ARIN Region origin ASes announcing only one prefix: 7108
ARIN Region transit ASes present in the Internet Routing Table: 1917
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: 5554
Number of ARIN addresses announced to Internet: 1348358656
Equivalent to 80 /8s, 94 /16s and 82 /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: 289848
Total RIPE prefixes after maximum aggregation: 143058
RIPE Deaggregation factor: 2.03
Prefixes being announced from the RIPE address blocks: 292908
Unique aggregates announced from the RIPE address blocks: 190835
RIPE Region origin ASes present in the Internet Routing Table: 29453
RIPE Prefixes per ASN: 9.94
RIPE Region origin ASes announcing only one prefix: 12207
RIPE Region transit ASes present in the Internet Routing Table: 3975
Average RIPE Region AS path length visible: 4.8
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 13357
Number of RIPE addresses announced to Internet: 733252224
Equivalent to 43 /8s, 180 /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: 128849
Total LACNIC prefixes after maximum aggregation: 30819
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 123393
Unique aggregates announced from the LACNIC address blocks: 50270
LACNIC Region origin ASes present in the Internet Routing Table: 11390
LACNIC Prefixes per ASN: 10.83
LACNIC Region origin ASes announcing only one prefix: 2709
LACNIC Region transit ASes present in the Internet Routing Table: 2563
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: 9428
Number of LACNIC addresses announced to Internet: 169968896
Equivalent to 10 /8s, 33 /16s and 133 /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: 37189
Total AfriNIC prefixes after maximum aggregation: 7018
AfriNIC Deaggregation factor: 5.30
Prefixes being announced from the AfriNIC address blocks: 54714
Unique aggregates announced from the AfriNIC address blocks: 19031
AfriNIC Region origin ASes present in the Internet Routing Table: 2025
AfriNIC Prefixes per ASN: 27.02
AfriNIC Region origin ASes announcing only one prefix: 733
AfriNIC Region transit ASes present in the Internet Routing Table: 388
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: 1392
Number of AfriNIC addresses announced to Internet: 104236288
Equivalent to 6 /8s, 54 /16s and 133 /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 13942 8945 105 CHINAMOBILE-CN China Mobile Communication
7545 5883 826 483 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5018 4192 75 ERX-CERNET-BKB China Education and Resear
9498 4933 551 321 BBIL-AP BHARTI Airtel Ltd., IN
18403 4528 347 26 FPT-AS-AP FPT Telecom Company, VN
7552 4057 1332 28 VIETEL-AS-AP Viettel Group, VN
7713 3680 1044 64 TELKOMNET-AS-AP PT Telekomunikasi Indones
56046 3536 887 178 CMNET-JIANGSU-AP China Mobile communicati
17561 3474 218 579 LCS-AS-AP LARUS Limited, HK
45899 3374 1868 100 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 14849 41292 5685 AMAZON-02 - Amazon.com, Inc., US
22773 4781 3116 365 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica
11492 4653 309 1047 CABLEONE - CABLE ONE, INC., US
7155 3870 286 90 VIASAT-SP-BACKBONE - ViaSat,Inc., US
6327 3727 1305 75 SHAW - Shaw Communications, CA
174 3440 8770 847 COGENT-174 - Cogent Communications, LLC,
396982 3337 4864 507 GOOGLE-CLOUD-PLATFORM - Google LLC, US
749 3138 54728 2389 DNIC-AS-00749 - United States Department
36352 2720 222 904 AS-COLOCROSSING - HostPapa, US
7029 2629 2558 923 WINDSTREAM - Windstream Communications LL
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 7170 1711 149 UNI2-AS, ES
39891 4943 305 72 ALJAWWALSTC-AS, SA
9009 3862 355 2266 M247, RO
20940 3794 3389 110 AKAMAI-ASN1, NL
12389 3158 2321 873 ROSTELECOM-AS PJSC Rostelecom. Technical
212238 2761 201 2036 CDNEXT, GB
34984 2451 365 579 TELLCOM-AS, TR
8452 1729 1852 17 TE-AS TE-AS, EG
203020 1661 252 831 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 12849 3294 633 UNINET, MX
10620 3429 450 1105 Telmex Colombia S.A., CO
13999 2402 505 349 Mega Cable, S.A. de C.V., MX
11830 1936 369 65 Instituto Costarricense de Electricidad y
11664 1446 277 34 Techtel LMDS Comunicaciones Interactivas
28573 1374 2431 268 Claro NXT Telecomunicacoes Ltda, BR
3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1229 379 23 INTEGRATEL PERU S.A.A., PE
22884 1071 70 363 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
26615 1071 2392 100 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 2027 649 36 RAYA-AS, EG
36992 1859 1533 336 ETISALAT-MISR, EG
24863 1273 389 16 LINKdotNET-AS, EG
36935 1243 522 44 Vodafone-, EG
36903 1232 555 98 MT-MPLS, MA
37069 1117 1100 11 MOBINIL, EG
29571 1071 78 19 ORANGE-COTE-IVOIRE, CI
20011 589 155 220 NTT-DATA-Inc, ZA
328608 563 53 159 Africa-on-Cloud-AS, ZA
15399 550 57 60 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 14849 41292 5685 AMAZON-02 - Amazon.com, Inc., US
9808 13942 8945 105 CHINAMOBILE-CN China Mobile Communication
8151 12849 3294 633 UNINET, MX
12479 7170 1711 149 UNI2-AS, ES
7545 5883 826 483 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5018 4192 75 ERX-CERNET-BKB China Education and Resear
39891 4943 305 72 ALJAWWALSTC-AS, SA
9498 4933 551 321 BBIL-AP BHARTI Airtel Ltd., IN
22773 4781 3116 365 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica
11492 4653 309 1047 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 13942 13837 CHINAMOBILE-CN China Mobile Communications Grou
8151 12849 12216 UNINET, MX
12479 7170 7021 UNI2-AS, ES
7545 5883 5400 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5018 4943 ERX-CERNET-BKB China Education and Research Net
39891 4943 4871 ALJAWWALSTC-AS, SA
9498 4933 4612 BBIL-AP BHARTI Airtel Ltd., IN
18403 4528 4502 FPT-AS-AP FPT Telecom Company, VN
22773 4781 4416 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7552 4057 4029 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
395729 UNALLOCATED 8.28.58.0/24 32787 PROLEXIC-TECHNOLOGIES-D
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
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
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 /10:39 /11:95 /12:297
/13:582 /14:1190 /15:2101 /16:13647 /17:8382 /18:13429
/19:25732 /20:46965 /21:52989 /22:114101 /23:108091 /24:661221
/25:692 /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 7045 12849 UNINET, MX
12479 6111 7170 UNI2-AS, ES
39891 3628 4943 ALJAWWALSTC-AS, SA
11492 3517 4653 CABLEONE - CABLE ONE, INC., US
6327 3507 3727 SHAW - Shaw Communications, CA
22773 3055 4781 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US
7155 2825 3870 VIASAT-SP-BACKBONE - ViaSat,Inc., US
16509 2672 14849 AMAZON-02 - Amazon.com, Inc., US
30036 2275 2621 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US
10620 2233 3429 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2523 2:2020 3:1010 4:5 5:5098 6:199
7:6 8:1512 9:43 11:172 12:1188 13:703
14:2738 15:463 16:208 17:426 18:919 20:588
21:4 22:188 23:8182 24:2783 25:2 27:2747
28:1 29:19 31:3483 32:37 34:86 35:287
36:4738 37:4442 38:10186 39:1296 40:439 41:4569
42:2172 43:3092 44:451 45:19814 46:4869 47:416
48:127 49:2229 50:2017 51:685 52:1327 54:290
55:1214 56:11 57:327 58:2415 59:1432 60:1176
61:3136 62:3129 63:1705 64:6378 65:2144 66:6121
67:3267 68:1502 69:4220 70:1059 71:611 72:3197
74:3058 75:1502 76:594 77:2913 78:1996 79:1792
80:2347 81:2246 82:4149 83:1449 84:2149 85:3842
86:1086 87:2629 88:1336 89:4805 90:808 91:8471
92:2818 93:3021 94:4392 95:4721 96:1451 97:317
98:944 99:830 100:70 101:1365 102:4534 103:32395
104:5384 105:863 106:901 107:2883 108:1261 109:4249
110:2279 111:4188 112:3184 113:1972 114:2290 115:2244
116:2152 117:3490 118:2975 119:2091 120:2739 121:1590
122:3004 123:2298 124:1727 125:3020 126:126 128:1589
129:976 130:1651 131:2477 132:879 133:486 134:1679
135:606 136:1543 137:1415 138:3339 139:1610 140:1828
141:1727 142:2550 143:2101 144:1771 145:641 146:2194
147:2246 148:2787 149:3211 150:1377 151:2908 152:2334
153:1496 154:10219 155:2306 156:4910 157:2314 158:1570
159:2863 160:3814 161:1963 162:4050 163:2535 164:2424
165:2661 166:1285 167:2308 168:4027 169:874 170:5574
171:1134 172:4751 173:3464 174:882 175:1358 176:3882
177:4832 178:4386 179:2326 180:3056 181:4562 182:4004
183:2821 184:2008 185:21871 186:6071 187:5034 188:4555
189:4558 190:9846 191:1657 192:11494 193:9641 194:7893
195:5829 196:3372 197:3251 198:6295 199:6083 200:8270
201:6414 202:10781 203:10518 204:4814 205:3755 206:4668
207:4021 208:4383 209:5498 210:4904 211:2779 212:5105
213:4105 214:1044 215:47 216:7315 217:3604 218:1755
219:585 220:2191 221:1315 222:1080 223:3453
End of report
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