[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Nov 28 18:03:24 UTC 2025
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 29 Nov, 2025
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: 1018473
Prefixes after maximum aggregation (per Origin AS): 393981
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 503472
Number of IPv4 prefixes with a valid ROA: 587879
Number of IPv4 prefixes with an invalid ROA: 1540
Number of IPv4 prefixes with no ROA: 429054
Total ASes present in the Internet Routing Table: 77588
Prefixes per ASN: 13.13
Origin-only ASes present in the Internet Routing Table: 66640
Origin ASes announcing only one prefix: 27122
Transit ASes present in the Internet Routing Table: 10948
Transit-only ASes present in the Internet Routing Table: 541
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: 999
Number of instances of unregistered ASNs: 1038
Number of 32-bit ASNs allocated by the RIRs: 48096
Number of 32-bit ASNs visible in the Routing Table: 39369
Prefixes from 32-bit ASNs in the Routing Table: 217181
Number of bogon 32-bit ASNs visible in the Routing Table: 113
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 468
Number of addresses announced to Internet: 3101305472
Equivalent to 184 /8s, 218 /16s and 42 /24s
Percentage of available address space announced: 83.8
Percentage of allocated address space announced: 83.8
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: 333720
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 275088
Total APNIC prefixes after maximum aggregation: 81285
APNIC Deaggregation factor: 3.38
Prefixes being announced from the APNIC address blocks: 262900
Unique aggregates announced from the APNIC address blocks: 105999
APNIC Region origin ASes present in the Internet Routing Table: 14900
APNIC Prefixes per ASN: 17.64
APNIC Region origin ASes announcing only one prefix: 4545
APNIC Region transit ASes present in the Internet Routing Table: 1978
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: 10447
Number of APNIC addresses announced to Internet: 753793536
Equivalent to 44 /8s, 237 /16s and 250 /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: 298891
Total ARIN prefixes after maximum aggregation: 134441
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 298587
Unique aggregates announced from the ARIN address blocks: 145544
ARIN Region origin ASes present in the Internet Routing Table: 19379
ARIN Prefixes per ASN: 15.41
ARIN Region origin ASes announcing only one prefix: 7100
ARIN Region transit ASes present in the Internet Routing Table: 1944
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: 5416
Number of ARIN addresses announced to Internet: 1337495296
Equivalent to 79 /8s, 184 /16s and 143 /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: 282217
Total RIPE prefixes after maximum aggregation: 139864
RIPE Deaggregation factor: 2.02
Prefixes being announced from the RIPE address blocks: 283012
Unique aggregates announced from the RIPE address blocks: 183530
RIPE Region origin ASes present in the Internet Routing Table: 29134
RIPE Prefixes per ASN: 9.71
RIPE Region origin ASes announcing only one prefix: 12086
RIPE Region transit ASes present in the Internet Routing Table: 3958
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: 12850
Number of RIPE addresses announced to Internet: 735793536
Equivalent to 43 /8s, 219 /16s and 81 /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: 125782
Total LACNIC prefixes after maximum aggregation: 30807
LACNIC Deaggregation factor: 4.08
Prefixes being announced from the LACNIC address blocks: 121793
Unique aggregates announced from the LACNIC address blocks: 49634
LACNIC Region origin ASes present in the Internet Routing Table: 11313
LACNIC Prefixes per ASN: 10.77
LACNIC Region origin ASes announcing only one prefix: 2665
LACNIC Region transit ASes present in the Internet Routing Table: 2526
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: 9302
Number of LACNIC addresses announced to Internet: 170754560
Equivalent to 10 /8s, 45 /16s and 130 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + 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: 35496
Total AfriNIC prefixes after maximum aggregation: 6916
AfriNIC Deaggregation factor: 5.13
Prefixes being announced from the AfriNIC address blocks: 51713
Unique aggregates announced from the AfriNIC address blocks: 18377
AfriNIC Region origin ASes present in the Internet Routing Table: 1992
AfriNIC Prefixes per ASN: 25.96
AfriNIC Region origin ASes announcing only one prefix: 726
AfriNIC Region transit ASes present in the Internet Routing Table: 379
Average AfriNIC Region AS path length visible: 5.3
Max AfriNIC Region AS path length visible: 57
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1354
Number of AfriNIC addresses announced to Internet: 103233536
Equivalent to 6 /8s, 39 /16s and 56 /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 13579 8760 120 CHINAMOBILE-CN China Mobile Communication
7545 6068 832 594 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5008 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4584 541 335 BBIL-AP BHARTI Airtel Ltd., IN
7552 4000 1332 28 VIETEL-AS-AP Viettel Group, VN
7713 3714 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
56046 3332 827 183 CMNET-JIANGSU-AP China Mobile communicati
45899 3325 1869 99 VNPT-AS-VN VNPT Corp, VN
24560 2948 865 503 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
140292 2497 274 1925 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK CH
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 14233 37207 5385 AMAZON-02, US
22773 4775 3116 369 ASN-CXA-ALL-CCI-22773-RDC, US
11492 4715 313 913 CABLEONE, US
7155 3861 286 85 VIASAT-SP-BACKBONE, US
6327 3691 1320 83 SHAW, CA
396982 3303 4861 481 GOOGLE-CLOUD-PLATFORM, US
749 3217 54766 2468 DNIC-AS-00749, US
16625 2873 1229 2147 AKAMAI-AS, US
36352 2829 231 910 AS-COLOCROSSING, US
174 2692 8766 841 COGENT-174, 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 7297 1711 149 UNI2-AS, ES
39891 4833 298 66 ALJAWWALSTC-AS, SA
9009 4022 380 2288 M247, RO
20940 3867 3395 126 AKAMAI-ASN1, NL
12389 3169 2317 871 ROSTELECOM-AS PJSC Rostelecom. Technical
212238 2530 180 1830 CDNEXT, GB
34984 2420 363 577 TELLCOM-AS, TR
8452 1700 1852 14 TE-AS TE-AS, EG
203020 1608 241 781 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 12652 3301 570 UNINET, MX
10620 3458 463 1101 Telmex Colombia S.A., CO
13999 2507 509 348 Mega Cable, S.A. de C.V., MX
11830 1992 369 65 Instituto Costarricense de Electricidad y
28573 1372 2432 263 Claro NXT Telecomunicacoes Ltda, BR
3816 1348 783 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1265 371 22 Telefonica del Peru S.A.A., PE
22884 1055 67 362 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
26615 1014 2486 56 TIM SA, BR
18881 918 1127 31 TELEFONICA BRASIL 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 1986 630 32 RAYA-AS, EG
36992 1681 1508 399 ETISALAT-MISR, EG
24863 1265 389 20 LINKdotNET-AS, EG
36903 1250 554 97 MT-MPLS, MA
36935 1088 520 33 Vodafone-, EG
37069 1085 1096 13 MOBINIL, EG
29571 1072 94 22 ORANGE-COTE-IVOIRE, CI
20011 580 154 212 NTT-DATA-Inc, ZA
36914 563 82 3 KENET-AS, KE
15399 533 55 49 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 14233 37207 5385 AMAZON-02, US
9808 13579 8760 120 CHINAMOBILE-CN China Mobile Communication
8151 12652 3301 570 UNINET, MX
12479 7297 1711 149 UNI2-AS, ES
7545 6068 832 594 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5008 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4833 298 66 ALJAWWALSTC-AS, SA
22773 4775 3116 369 ASN-CXA-ALL-CCI-22773-RDC, US
11492 4715 313 913 CABLEONE, US
9498 4584 541 335 BBIL-AP BHARTI Airtel Ltd., IN
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 13579 13459 CHINAMOBILE-CN China Mobile Communications Grou
8151 12652 12082 UNINET, MX
12479 7297 7148 UNI2-AS, ES
7545 6068 5474 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5008 4931 ERX-CERNET-BKB China Education and Research Net
39891 4833 4767 ALJAWWALSTC-AS, SA
22773 4775 4406 ASN-CXA-ALL-CCI-22773-RDC, US
9498 4584 4249 BBIL-AP BHARTI Airtel Ltd., IN
7552 4000 3972 VIETEL-AS-AP Viettel Group, VN
11492 4715 3802 CABLEONE, 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, US
396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US
54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US
395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3, US
1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US
54739 UNALLOCATED 8.44.198.0/23 13335 CLOUDFLARENET, US
13342 UNALLOCATED 12.17.5.0/24 174 COGENT-174, US
26345 UNALLOCATED 12.21.93.0/24 40264 TWC-40264-WI-MN-UPPERMI
396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4, US
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, US
Complete listing at https://thyme.apnic.net/current/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
23.135.216.0/24 Origin: 400565 RESERVED, ZZ
23.135.216.0/24 Transit: 3356 LEVEL3, US
23.137.48.0/24 Origin: 16904 ARVIG-16904, 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
23.141.0.0/24 Origin: 395350 RESERVED, ZZ
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA
23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, 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 /10:41 /11:94 /12:298
/13:580 /14:1197 /15:2092 /16:13707 /17:8300 /18:13573
/19:25023 /20:45408 /21:52606 /22:113495 /23:105377 /24:635951
/25:701 /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 6839 12652 UNINET, MX
12479 6234 7297 UNI2-AS, ES
11492 3559 4715 CABLEONE, US
39891 3521 4833 ALJAWWALSTC-AS, SA
6327 3478 3691 SHAW, CA
22773 3048 4775 ASN-CXA-ALL-CCI-22773-RDC, US
7155 2820 3861 VIASAT-SP-BACKBONE, US
16509 2433 14233 AMAZON-02, US
30036 2309 2652 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2213 3458 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1804 2:1543 3:971 4:10 5:4900 6:189
7:6 8:1522 9:6 11:172 12:1233 13:570
14:2646 15:413 16:303 17:388 18:912 20:586
21:4 22:188 23:8092 24:2553 25:2 27:2723
29:19 31:3397 32:32 33:1 34:81 35:287
36:4591 37:4547 38:9325 39:1190 40:450 41:4464
42:949 43:2813 44:400 45:19473 46:5101 47:379
49:2163 50:2049 51:598 52:1567 54:289 55:1108
56:11 57:304 58:2213 59:1383 60:1186 61:3058
62:3097 63:1747 64:5968 65:2130 66:5937 67:3236
68:1495 69:4190 70:1031 71:617 72:3026 74:2942
75:1517 76:603 77:2770 78:1920 79:1774 80:2311
81:2096 82:3819 83:1470 84:2027 85:3645 86:1103
87:2306 88:1341 89:4613 90:843 91:8430 92:2841
93:3009 94:4235 95:4567 96:1449 97:313 98:957
99:773 100:67 101:1096 102:4302 103:32191 104:5510
105:776 106:903 107:2806 108:1208 109:4227 110:2299
111:3956 112:2785 113:1649 114:2099 115:2216 116:2146
117:3124 118:2525 119:2098 120:2397 121:1562 122:2963
123:2295 124:1671 125:2927 126:125 128:1591 129:971
130:1505 131:2243 132:771 133:462 134:1617 135:389
136:1496 137:1203 138:2882 139:1590 140:1782 141:1545
142:2322 143:2139 144:1318 145:634 146:2189 147:2164
148:2788 149:2882 150:1307 151:2642 152:2297 153:615
154:9213 155:2244 156:4099 157:2199 158:1451 159:2679
160:3664 161:1989 162:3996 163:2325 164:1961 165:2594
166:1315 167:2142 168:3880 169:792 170:5447 171:1114
172:4477 173:3411 174:908 175:1345 176:3777 177:4723
178:4293 179:2307 180:2832 181:4311 182:3838 183:2375
184:2060 185:21699 186:5508 187:4769 188:4434 189:4485
190:9720 191:1568 192:11460 193:9497 194:7855 195:5615
196:3268 197:3208 198:6238 199:6101 200:8253 201:6380
202:10663 203:10489 204:4641 205:3739 206:4410 207:3904
208:4253 209:5460 210:4978 211:2741 212:4914 213:4013
214:1040 215:52 216:7113 217:3356 218:1637 219:577
220:2201 221:1281 222:902 223:3189
End of report
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