[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Apr 3 18:03:34 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 04 Apr, 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: 1042729
Prefixes after maximum aggregation (per Origin AS): 399212
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 511939
Number of IPv4 prefixes with a valid ROA: 625256
Number of IPv4 prefixes with an invalid ROA: 1476
Number of IPv4 prefixes with no ROA: 415997
Total ASes present in the Internet Routing Table: 78243
Prefixes per ASN: 13.33
Origin-only ASes present in the Internet Routing Table: 67214
Origin ASes announcing only one prefix: 27344
Transit ASes present in the Internet Routing Table: 11029
Transit-only ASes present in the Internet Routing Table: 572
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: 1035
Number of instances of unregistered ASNs: 1077
Number of 32-bit ASNs allocated by the RIRs: 49218
Number of 32-bit ASNs visible in the Routing Table: 40278
Prefixes from 32-bit ASNs in the Routing Table: 226345
Number of bogon 32-bit ASNs visible in the Routing Table: 134
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 400
Number of addresses announced to Internet: 3108788352
Equivalent to 185 /8s, 76 /16s and 88 /24s
Percentage of available address space announced: 84.0
Percentage of allocated address space announced: 84.0
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: 339143
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 286580
Total APNIC prefixes after maximum aggregation: 82885
APNIC Deaggregation factor: 3.46
Prefixes being announced from the APNIC address blocks: 273485
Unique aggregates announced from the APNIC address blocks: 107347
APNIC Region origin ASes present in the Internet Routing Table: 15158
APNIC Prefixes per ASN: 18.04
APNIC Region origin ASes announcing only one prefix: 4658
APNIC Region transit ASes present in the Internet Routing Table: 2001
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 38
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10713
Number of APNIC addresses announced to Internet: 753995392
Equivalent to 44 /8s, 241 /16s and 14 /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: 303575
Total ARIN prefixes after maximum aggregation: 135958
ARIN Deaggregation factor: 2.23
Prefixes being announced from the ARIN address blocks: 303129
Unique aggregates announced from the ARIN address blocks: 146549
ARIN Region origin ASes present in the Internet Routing Table: 19414
ARIN Prefixes per ASN: 15.61
ARIN Region origin ASes announcing only one prefix: 7094
ARIN Region transit ASes present in the Internet Routing Table: 1932
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 29
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5539
Number of ARIN addresses announced to Internet: 1348492544
Equivalent to 80 /8s, 96 /16s and 93 /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: 287170
Total RIPE prefixes after maximum aggregation: 141934
RIPE Deaggregation factor: 2.02
Prefixes being announced from the RIPE address blocks: 289385
Unique aggregates announced from the RIPE address blocks: 188083
RIPE Region origin ASes present in the Internet Routing Table: 29366
RIPE Prefixes per ASN: 9.85
RIPE Region origin ASes announcing only one prefix: 12165
RIPE Region transit ASes present in the Internet Routing Table: 3973
Average RIPE Region AS path length visible: 4.8
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 13237
Number of RIPE addresses announced to Internet: 732840320
Equivalent to 43 /8s, 174 /16s and 65 /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: 127455
Total LACNIC prefixes after maximum aggregation: 30773
LACNIC Deaggregation factor: 4.14
Prefixes being announced from the LACNIC address blocks: 122952
Unique aggregates announced from the LACNIC address blocks: 50200
LACNIC Region origin ASes present in the Internet Routing Table: 11385
LACNIC Prefixes per ASN: 10.80
LACNIC Region origin ASes announcing only one prefix: 2696
LACNIC Region transit ASes present in the Internet Routing Table: 2574
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: 9409
Number of LACNIC addresses announced to Internet: 169863040
Equivalent to 10 /8s, 31 /16s and 231 /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: 36914
Total AfriNIC prefixes after maximum aggregation: 6996
AfriNIC Deaggregation factor: 5.28
Prefixes being announced from the AfriNIC address blocks: 53378
Unique aggregates announced from the AfriNIC address blocks: 19419
AfriNIC Region origin ASes present in the Internet Routing Table: 2012
AfriNIC Prefixes per ASN: 26.53
AfriNIC Region origin ASes announcing only one prefix: 731
AfriNIC Region transit ASes present in the Internet Routing Table: 381
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: 1380
Number of AfriNIC addresses announced to Internet: 103339008
Equivalent to 6 /8s, 40 /16s and 212 /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 13901 8945 105 CHINAMOBILE-CN China Mobile Communication
7545 5923 828 502 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5030 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4883 548 318 BBIL-AP BHARTI Airtel Ltd., IN
18403 4544 347 26 FPT-AS-AP FPT Telecom Company, VN
7552 4057 1332 29 VIETEL-AS-AP Viettel Group, VN
7713 3665 1044 65 TELKOMNET-AS-AP PT Telekomunikasi Indones
56046 3481 887 178 CMNET-JIANGSU-AP China Mobile communicati
45899 3360 1868 99 VNPT-AS-VN VNPT Corp, VN
24560 3015 862 519 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 14494 41226 5631 AMAZON-02 - Amazon.com, Inc., US
22773 4780 3117 367 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica
11492 4661 309 1027 CABLEONE - CABLE ONE, INC., US
7155 3861 286 85 VIASAT-SP-BACKBONE - ViaSat,Inc., US
6327 3721 1305 77 SHAW - Shaw Communications, CA
396982 3296 4856 488 GOOGLE-CLOUD-PLATFORM - Google LLC, US
174 3279 8767 824 COGENT-174 - Cogent Communications, LLC,
749 3140 54728 2391 DNIC-AS-00749 - United States Department
36352 2705 222 893 AS-COLOCROSSING - HostPapa, US
30036 2661 364 329 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 7173 1711 149 UNI2-AS, ES
39891 4972 306 72 ALJAWWALSTC-AS, SA
20940 3827 3389 110 AKAMAI-ASN1, NL
9009 3824 353 2244 M247, RO
12389 3176 2323 871 ROSTELECOM-AS PJSC Rostelecom. Technical
212238 2702 195 1985 CDNEXT, GB
34984 2450 365 571 TELLCOM-AS, TR
8452 1729 1852 17 TE-AS TE-AS, EG
203020 1637 248 807 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 12808 3270 614 UNINET, MX
10620 3453 458 1104 Telmex Colombia S.A., CO
13999 2463 506 344 Mega Cable, S.A. de C.V., MX
11830 1948 369 65 Instituto Costarricense de Electricidad y
11664 1461 278 33 Techtel LMDS Comunicaciones Interactivas
28573 1373 2431 268 Claro NXT Telecomunicacoes Ltda, BR
3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1243 371 22 INTEGRATEL PERU S.A.A., PE
26615 1058 2393 96 TIM SA, BR
22884 1057 71 359 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
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 2025 648 34 RAYA-AS, EG
36992 1855 1532 338 ETISALAT-MISR, EG
24863 1294 389 16 LINKdotNET-AS, EG
36903 1232 555 98 MT-MPLS, MA
36935 1229 521 44 Vodafone-, EG
37069 1117 1100 11 MOBINIL, EG
29571 1071 78 19 ORANGE-COTE-IVOIRE, CI
20011 589 155 220 NTT-DATA-Inc, ZA
36914 558 82 3 KENET-AS, KE
15399 557 58 61 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 14494 41226 5631 AMAZON-02 - Amazon.com, Inc., US
9808 13901 8945 105 CHINAMOBILE-CN China Mobile Communication
8151 12808 3270 614 UNINET, MX
12479 7173 1711 149 UNI2-AS, ES
7545 5923 828 502 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5030 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4972 306 72 ALJAWWALSTC-AS, SA
9498 4883 548 318 BBIL-AP BHARTI Airtel Ltd., IN
22773 4780 3117 367 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica
11492 4661 309 1027 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 13901 13796 CHINAMOBILE-CN China Mobile Communications Grou
8151 12808 12194 UNINET, MX
12479 7173 7024 UNI2-AS, ES
7545 5923 5421 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5030 4953 ERX-CERNET-BKB China Education and Research Net
39891 4972 4900 ALJAWWALSTC-AS, SA
9498 4883 4565 BBIL-AP BHARTI Airtel Ltd., IN
18403 4544 4518 FPT-AS-AP FPT Telecom Company, VN
22773 4780 4413 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7552 4057 4028 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
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 /11:95 /12:297
/13:582 /14:1192 /15:2097 /16:13634 /17:8369 /18:13401
/19:25696 /20:46943 /21:52859 /22:114249 /23:107714 /24:654842
/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 6992 12808 UNINET, MX
12479 6115 7173 UNI2-AS, ES
39891 3656 4972 ALJAWWALSTC-AS, SA
11492 3521 4661 CABLEONE - CABLE ONE, INC., US
6327 3501 3721 SHAW - Shaw Communications, CA
22773 3055 4780 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US
7155 2820 3861 VIASAT-SP-BACKBONE - ViaSat,Inc., US
16509 2606 14494 AMAZON-02 - Amazon.com, Inc., US
30036 2312 2661 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US
10620 2233 3453 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2531 2:1785 3:993 4:5 5:5110 6:196
7:6 8:1510 9:39 11:172 12:1193 13:670
14:2714 15:456 16:170 17:423 18:909 20:583
21:4 22:188 23:8209 24:2860 25:2 27:2753
28:1 29:19 31:3417 32:37 34:86 35:284
36:4648 37:4439 38:10069 39:1280 40:429 41:4543
42:2190 43:3012 44:447 45:19826 46:4884 47:411
48:121 49:2218 50:2004 51:626 52:1294 54:270
55:1121 56:11 57:321 58:2418 59:1441 60:1174
61:3141 62:3124 63:1743 64:6302 65:2137 66:6073
67:3262 68:1505 69:4216 70:1060 71:610 72:3178
74:3021 75:1486 76:595 77:2918 78:1956 79:1791
80:2362 81:2204 82:4029 83:1448 84:2126 85:3800
86:1092 87:2450 88:1351 89:4696 90:785 91:8421
92:2824 93:3011 94:4357 95:4620 96:1447 97:316
98:941 99:804 100:68 101:1363 102:4466 103:32414
104:5331 105:813 106:911 107:2862 108:1238 109:4218
110:2297 111:4197 112:3166 113:1976 114:2271 115:2239
116:2166 117:3509 118:2943 119:2113 120:2718 121:1594
122:2994 123:2278 124:1727 125:3020 126:125 128:1610
129:971 130:1621 131:2464 132:802 133:475 134:1673
135:610 136:1604 137:1415 138:3217 139:1628 140:1823
141:1720 142:2523 143:2132 144:1701 145:644 146:2207
147:2179 148:2754 149:3098 150:1357 151:2762 152:2324
153:990 154:9577 155:2317 156:4465 157:2272 158:1522
159:2815 160:3818 161:1957 162:4027 163:2474 164:2035
165:2628 166:1275 167:2271 168:3990 169:855 170:5529
171:1120 172:4521 173:3466 174:883 175:1359 176:3819
177:4818 178:4369 179:2298 180:3041 181:4495 182:3996
183:2830 184:2019 185:21799 186:5769 187:4953 188:4612
189:4536 190:9808 191:1568 192:11489 193:9590 194:7873
195:5823 196:3324 197:3274 198:6283 199:6085 200:8249
201:6420 202:10817 203:10517 204:4792 205:3804 206:4541
207:3996 208:4384 209:5475 210:4905 211:2784 212:5025
213:4117 214:1058 215:47 216:7283 217:3570 218:1756
219:593 220:2201 221:1313 222:1075 223:3428
End of report
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