[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Jun 27 18:02:19 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 28 Jun, 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: 988615
Prefixes after maximum aggregation (per Origin AS): 382373
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 484208
Number of IPv4 prefixes with a valid ROA: 547137
Number of IPv4 prefixes with an invalid ROA: 1347
Number of IPv4 prefixes with no ROA: 440131
Total ASes present in the Internet Routing Table: 76993
Prefixes per ASN: 12.84
Origin-only ASes present in the Internet Routing Table: 65901
Origin ASes announcing only one prefix: 26908
Transit ASes present in the Internet Routing Table: 11092
Transit-only ASes present in the Internet Routing Table: 559
Average AS path length visible in the Internet Routing Table: 5.2
Max AS path length visible: 80
Max AS path prepend of ASN ( 37447) 75
Prefixes from unregistered ASNs in the Routing Table: 1109
Number of instances of unregistered ASNs: 1155
Number of 32-bit ASNs allocated by the RIRs: 46681
Number of 32-bit ASNs visible in the Routing Table: 38473
Prefixes from 32-bit ASNs in the Routing Table: 205473
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: 441
Number of addresses announced to Internet: 3106715264
Equivalent to 185 /8s, 44 /16s and 182 /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: 323105
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 261564
Total APNIC prefixes after maximum aggregation: 78347
APNIC Deaggregation factor: 3.34
Prefixes being announced from the APNIC address blocks: 252252
Unique aggregates announced from the APNIC address blocks: 104531
APNIC Region origin ASes present in the Internet Routing Table: 14697
APNIC Prefixes per ASN: 17.16
APNIC Region origin ASes announcing only one prefix: 4474
APNIC Region transit ASes present in the Internet Routing Table: 1960
Average APNIC Region AS path length visible: 5.5
Max APNIC Region AS path length visible: 78
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10202
Number of APNIC addresses announced to Internet: 749681152
Equivalent to 44 /8s, 175 /16s and 58 /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: 290421
Total ARIN prefixes after maximum aggregation: 131484
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 291945
Unique aggregates announced from the ARIN address blocks: 139837
ARIN Region origin ASes present in the Internet Routing Table: 19239
ARIN Prefixes per ASN: 15.17
ARIN Region origin ASes announcing only one prefix: 7022
ARIN Region transit ASes present in the Internet Routing Table: 2003
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 34
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5244
Number of ARIN addresses announced to Internet: 1349263104
Equivalent to 80 /8s, 108 /16s and 31 /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: 276039
Total RIPE prefixes after maximum aggregation: 135465
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 274702
Unique aggregates announced from the RIPE address blocks: 176623
RIPE Region origin ASes present in the Internet Routing Table: 28933
RIPE Prefixes per ASN: 9.49
RIPE Region origin ASes announcing only one prefix: 12059
RIPE Region transit ASes present in the Internet Routing Table: 4004
Average RIPE Region AS path length visible: 5.3
Max RIPE Region AS path length visible: 69
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12513
Number of RIPE addresses announced to Internet: 731259520
Equivalent to 43 /8s, 150 /16s and 34 /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: 124388
Total LACNIC prefixes after maximum aggregation: 29687
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 120884
Unique aggregates announced from the LACNIC address blocks: 48898
LACNIC Region origin ASes present in the Internet Routing Table: 11279
LACNIC Prefixes per ASN: 10.72
LACNIC Region origin ASes announcing only one prefix: 2664
LACNIC Region transit ASes present in the Internet Routing Table: 2541
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 75
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9232
Number of LACNIC addresses announced to Internet: 171209472
Equivalent to 10 /8s, 52 /16s and 115 /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: 35094
Total AfriNIC prefixes after maximum aggregation: 6645
AfriNIC Deaggregation factor: 5.28
Prefixes being announced from the AfriNIC address blocks: 48391
Unique aggregates announced from the AfriNIC address blocks: 13922
AfriNIC Region origin ASes present in the Internet Routing Table: 1918
AfriNIC Prefixes per ASN: 25.23
AfriNIC Region origin ASes announcing only one prefix: 689
AfriNIC Region transit ASes present in the Internet Routing Table: 375
Average AfriNIC Region AS path length visible: 6.0
Max AfriNIC Region AS path length visible: 80
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1282
Number of AfriNIC addresses announced to Internet: 105052672
Equivalent to 6 /8s, 66 /16s and 250 /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 11479 8760 119 CHINAMOBILE-CN China Mobile Communication
7545 6151 841 651 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4813 4192 76 ERX-CERNET-BKB China Education and Resear
9498 4441 535 312 BBIL-AP BHARTI Airtel Ltd., IN
7552 3918 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3700 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3297 1869 103 VNPT-AS-VN VNPT Corp, VN
24560 2895 857 531 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2330 11520 612 KIXS-AS-KR Korea Telecom, KR
56046 2292 812 181 CMNET-JIANGSU-AP China Mobile communicati
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 13584 40951 5200 AMAZON-02, US
11492 4781 317 604 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3637 1320 82 SHAW, CA
174 3413 8758 850 COGENT-174, US
22773 3349 3032 165 ASN-CXA-ALL-CCI-22773-RDC, US
749 3226 54767 2477 DNIC-AS-00749, US
396982 3193 3854 430 GOOGLE-CLOUD-PLATFORM, US
16625 2968 1244 2209 AKAMAI-AS, US
36352 2833 231 860 AS-COLOCROSSING, 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 7670 1713 148 UNI2-AS, ES
39891 4780 291 66 ALJAWWALSTC-AS, SA
20940 3935 3395 127 AKAMAI-ASN1, NL
9009 3907 359 2108 M247, RO
12389 3125 2305 888 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2401 361 581 TELLCOM-AS, TR
212238 2329 171 1707 CDNEXT, GB
8452 1618 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
8551 1428 366 39 BEZEQ-INTERNATIONAL-AS Bezeqint Internet
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 12232 3256 575 UNINET, MX
10620 3505 481 1017 Telmex Colombia S.A., CO
13999 2537 538 355 Mega Cable, S.A. de C.V., MX
11830 1987 369 64 Instituto Costarricense de Electricidad y
28573 1370 2436 266 Claro NXT Telecomunicacoes Ltda, BR
3816 1344 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1201 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1197 371 22 Telefonica del Peru S.A.A., PE
22884 1062 67 368 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
26615 1054 2487 55 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 1822 644 27 RAYA-AS, EG
24863 1622 389 16 LINKdotNET-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36992 1431 1519 280 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1076 523 47 Vodafone-, EG
36914 575 82 3 KENET-AS, KE
20011 568 154 212 INTERNET-SOLUTIONS, ZA
15399 543 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 13584 40951 5200 AMAZON-02, US
8151 12232 3256 575 UNINET, MX
9808 11479 8760 119 CHINAMOBILE-CN China Mobile Communication
12479 7670 1713 148 UNI2-AS, ES
7545 6151 841 651 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4813 4192 76 ERX-CERNET-BKB China Education and Resear
11492 4781 317 604 CABLEONE, US
39891 4780 291 66 ALJAWWALSTC-AS, SA
9498 4441 535 312 BBIL-AP BHARTI Airtel Ltd., IN
20940 3935 3395 127 AKAMAI-ASN1, NL
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
8151 12232 11657 UNINET, MX
9808 11479 11360 CHINAMOBILE-CN China Mobile Communications Grou
12479 7670 7522 UNI2-AS, ES
7545 6151 5500 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4813 4737 ERX-CERNET-BKB China Education and Research Net
39891 4780 4714 ALJAWWALSTC-AS, SA
11492 4781 4177 CABLEONE, US
9498 4441 4129 BBIL-AP BHARTI Airtel Ltd., IN
7552 3918 3892 VIETEL-AS-AP Viettel Group, VN
20940 3935 3808 AKAMAI-ASN1, NL
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
22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US
33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US
46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US
53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US
393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US
396894 UNALLOCATED 8.28.201.0/24 46887 CROWNCASTLE-AS46887, US
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US
54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US
46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US
395195 UNALLOCATED 8.38.115.0/24 33132 CROWNCASTLE-AS33132, 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
14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US
14.192.20.0/22 Transit: 6939 HURRICANE, US
23.140.216.0/24 Origin: 27176 DATAWAGON, US
23.140.216.0/24 Transit: 20278 NEXEON, US
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
23.147.240.0/24 Origin: 32302 RESERVED, ZZ
23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE
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 /11:92 /12:299
/13:583 /14:1201 /15:2134 /16:13829 /17:8316 /18:13579
/19:24761 /20:44765 /21:52258 /22:112489 /23:103061 /24:610381
/25:796 /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
12479 6593 7670 UNI2-AS, ES
8151 6442 12232 UNINET, MX
11492 3577 4781 CABLEONE, US
39891 3489 4780 ALJAWWALSTC-AS, SA
6327 3431 3637 SHAW, CA
7155 2816 3857 VIASAT-SP-BACKBONE, US
22773 2502 3349 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2341 13584 AMAZON-02, US
30036 2259 2600 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2192 3505 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1737 2:1501 3:820 4:10 5:4704 6:161
7:6 8:1589 9:1 11:172 12:1343 13:444
14:2572 15:365 16:283 17:380 18:918 20:554
21:4 22:188 23:7614 24:2667 25:2 27:2718
29:19 31:3309 32:38 33:1 34:80 35:257
36:3200 37:4584 38:9359 39:908 40:206 41:4270
42:924 43:2630 44:373 45:18672 46:5119 47:325
49:1935 50:1889 51:593 52:1556 54:324 55:1104
56:11 57:273 58:2142 59:1349 60:1172 61:2803
62:2931 63:1795 64:5481 65:2171 66:4681 67:3068
68:1087 69:3853 70:1052 71:623 72:2852 74:2790
75:1507 76:611 77:2768 78:1888 79:1725 80:2223
81:2064 82:3177 83:1456 84:1879 85:3457 86:1093
87:2383 88:1313 89:4411 90:777 91:8384 92:2738
93:2933 94:4046 95:4401 96:1433 97:310 98:959
99:688 100:72 101:1189 102:3846 103:32317 104:5226
105:762 106:977 107:2653 108:1259 109:4117 110:2241
111:3345 112:2145 113:1573 114:2004 115:2133 116:2069
117:2540 118:2413 119:1940 120:2104 121:1430 122:2801
123:2212 124:1641 125:2903 126:91 128:1588 129:956
130:1296 131:2047 132:782 133:451 134:1553 135:349
136:1347 137:1180 138:2811 139:1567 140:1627 141:1513
142:1917 143:1935 144:1179 145:559 146:2181 147:2113
148:2709 149:2933 150:1268 151:2110 152:2084 153:524
154:7851 155:1763 156:3153 157:1912 158:1335 159:2504
160:3592 161:1855 162:3869 163:2220 164:1858 165:2034
166:1509 167:1992 168:3965 169:783 170:5136 171:1008
172:4448 173:3357 174:921 175:1315 176:3708 177:4755
178:3892 179:2315 180:2636 181:4089 182:3463 183:1878
184:2076 185:21606 186:5175 187:4602 188:4255 189:4338
190:9590 191:1488 192:11320 193:9486 194:7818 195:5557
196:3267 197:3184 198:6204 199:8559 200:8227 201:6372
202:10505 203:10593 204:4591 205:3648 206:4471 207:3595
208:4271 209:5165 210:4859 211:2646 212:4583 213:3776
214:1015 215:45 216:6743 217:3197 218:1420 219:560
220:2136 221:1155 222:857 223:2542
End of report
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