[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Feb 7 18:02:30 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 08 Feb, 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: 974584
Prefixes after maximum aggregation (per Origin AS): 372726
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 474029
Number of IPv4 prefixes with a valid ROA: 524224
Number of IPv4 prefixes with an invalid ROA: 1352
Number of IPv4 prefixes with no ROA: 449008
Total ASes present in the Internet Routing Table: 76593
Prefixes per ASN: 12.72
Origin-only ASes present in the Internet Routing Table: 65558
Origin ASes announcing only one prefix: 26854
Transit ASes present in the Internet Routing Table: 11035
Transit-only ASes present in the Internet Routing Table: 529
Average AS path length visible in the Internet Routing Table: 5.2
Max AS path length visible: 204
Max AS path prepend of ASN (273039) 200
Prefixes from unregistered ASNs in the Routing Table: 1055
Number of instances of unregistered ASNs: 1073
Number of 32-bit ASNs allocated by the RIRs: 46091
Number of 32-bit ASNs visible in the Routing Table: 37785
Prefixes from 32-bit ASNs in the Routing Table: 199032
Number of bogon 32-bit ASNs visible in the Routing Table: 53
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 496
Number of addresses announced to Internet: 3112894848
Equivalent to 185 /8s, 139 /16s and 1 /24s
Percentage of available address space announced: 84.1
Percentage of allocated address space announced: 84.1
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: 319231
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 256699
Total APNIC prefixes after maximum aggregation: 77049
APNIC Deaggregation factor: 3.33
Prefixes being announced from the APNIC address blocks: 248253
Unique aggregates announced from the APNIC address blocks: 102703
APNIC Region origin ASes present in the Internet Routing Table: 14516
APNIC Prefixes per ASN: 17.10
APNIC Region origin ASes announcing only one prefix: 4435
APNIC Region transit ASes present in the Internet Routing Table: 1950
Average APNIC Region AS path length visible: 5.5
Max APNIC Region AS path length visible: 39
Number of APNIC region 32-bit ASNs visible in the Routing Table: 9993
Number of APNIC addresses announced to Internet: 753985024
Equivalent to 44 /8s, 240 /16s and 230 /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, 131072-153913
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: 286902
Total ARIN prefixes after maximum aggregation: 127280
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 288620
Unique aggregates announced from the ARIN address blocks: 135030
ARIN Region origin ASes present in the Internet Routing Table: 19217
ARIN Prefixes per ASN: 15.02
ARIN Region origin ASes announcing only one prefix: 7008
ARIN Region transit ASes present in the Internet Routing Table: 2004
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: 5143
Number of ARIN addresses announced to Internet: 1343884544
Equivalent to 80 /8s, 26 /16s and 13 /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: 271648
Total RIPE prefixes after maximum aggregation: 131870
RIPE Deaggregation factor: 2.06
Prefixes being announced from the RIPE address blocks: 268848
Unique aggregates announced from the RIPE address blocks: 171675
RIPE Region origin ASes present in the Internet Routing Table: 28850
RIPE Prefixes per ASN: 9.32
RIPE Region origin ASes announcing only one prefix: 12057
RIPE Region transit ASes present in the Internet Routing Table: 3999
Average RIPE Region AS path length visible: 5.3
Max RIPE Region AS path length visible: 43
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12257
Number of RIPE addresses announced to Internet: 732486784
Equivalent to 43 /8s, 168 /16s and 220 /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: 123590
Total LACNIC prefixes after maximum aggregation: 29144
LACNIC Deaggregation factor: 4.24
Prefixes being announced from the LACNIC address blocks: 120924
Unique aggregates announced from the LACNIC address blocks: 48864
LACNIC Region origin ASes present in the Internet Routing Table: 11197
LACNIC Prefixes per ASN: 10.80
LACNIC Region origin ASes announcing only one prefix: 2662
LACNIC Region transit ASes present in the Internet Routing Table: 2509
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 204
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9127
Number of LACNIC addresses announced to Internet: 177910272
Equivalent to 10 /8s, 154 /16s and 178 /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: 34690
Total AfriNIC prefixes after maximum aggregation: 6721
AfriNIC Deaggregation factor: 5.16
Prefixes being announced from the AfriNIC address blocks: 47443
Unique aggregates announced from the AfriNIC address blocks: 15343
AfriNIC Region origin ASes present in the Internet Routing Table: 1905
AfriNIC Prefixes per ASN: 24.90
AfriNIC Region origin ASes announcing only one prefix: 692
AfriNIC Region transit ASes present in the Internet Routing Table: 378
Average AfriNIC Region AS path length visible: 6.0
Max AfriNIC Region AS path length visible: 65
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1265
Number of AfriNIC addresses announced to Internet: 104363264
Equivalent to 6 /8s, 56 /16s and 117 /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 10342 8754 93 CHINAMOBILE-CN China Mobile Communication
7545 6209 843 664 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4808 4192 76 ERX-CERNET-BKB China Education and Resear
9498 4211 529 272 BBIL-AP BHARTI Airtel Ltd., IN
7552 3918 1331 25 VIETEL-AS-AP Viettel Group, VN
7713 3672 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3266 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2843 854 534 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2296 11521 598 KIXS-AS-KR Korea Telecom, KR
4755 2219 434 193 TATACOMM-AS TATA Communications formerly
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 12731 38946 3724 AMAZON-02, US
11492 4698 312 553 CABLEONE, US
7155 4180 287 86 VIASAT-SP-BACKBONE, US
6327 3623 1320 81 SHAW, CA
174 3577 8757 874 COGENT-174, US
22773 3381 3033 186 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
16625 2965 1271 2169 AKAMAI-AS, US
396982 2922 3659 447 GOOGLE-CLOUD-PLATFORM, US
30036 2579 359 275 MEDIACOM-ENTERPRISE-BUSINESS, 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 7739 1713 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 3928 3395 129 AKAMAI-ASN1, NL
9009 3734 321 1916 M247, RO
12389 2994 2302 892 ROSTELECOM-AS, RU
34984 2370 361 581 TELLCOM-AS, TR
212238 1922 139 1417 CDNEXT, GB
8452 1614 1852 14 TE-AS TE-AS, EG
13188 1607 100 26 TRIOLAN, UA
62240 1495 98 747 CLOUVIDER Clouvider - Global ASN, GB
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 11714 3224 604 UNINET, MX
10620 3543 492 951 Telmex Colombia S.A., CO
13999 2510 539 366 Mega Cable, S.A. de C.V., MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
28573 1335 2437 265 Claro NXT Telecomunicacoes Ltda, BR
3816 1328 777 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1160 278 33 Techtel LMDS Comunicaciones Interactivas
6503 1134 374 163 Axtel, S.A.B. de C.V., MX
6147 1105 371 22 Telefonica del Peru S.A.A., PE
22884 1075 98 373 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 1682 601 30 RAYA-AS, EG
24863 1645 389 16 LINKdotNET-AS, EG
29571 1538 97 99 ORANGE-COTE-IVOIRE, CI
36992 1425 1518 286 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
36935 1018 523 45 Vodafone-, EG
20011 978 180 282 INTERNET-SOLUTIONS, ZA
37069 843 1083 15 MOBINIL, EG
6713 557 1861 35 IAM-AS, MA
36914 555 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 12731 38946 3724 AMAZON-02, US
8151 11714 3224 604 UNINET, MX
9808 10342 8754 93 CHINAMOBILE-CN China Mobile Communication
12479 7739 1713 145 UNI2-AS, ES
7545 6209 843 664 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4808 4192 76 ERX-CERNET-BKB China Education and Resear
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4698 312 553 CABLEONE, US
9498 4211 529 272 BBIL-AP BHARTI Airtel Ltd., IN
7155 4180 287 86 VIASAT-SP-BACKBONE, US
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
8151 11714 11110 UNINET, MX
9808 10342 10249 CHINAMOBILE-CN China Mobile Communications Grou
12479 7739 7594 UNI2-AS, ES
7545 6209 5545 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
4538 4808 4732 ERX-CERNET-BKB China Education and Research Net
11492 4698 4145 CABLEONE, US
7155 4180 4094 VIASAT-SP-BACKBONE, US
9498 4211 3939 BBIL-AP BHARTI Airtel Ltd., IN
7552 3918 3893 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
400866 UNALLOCATED 2.59.148.0/23 21859 ZEN-ECN, US
22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US
33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US
12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D
40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, 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
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
23.133.205.0/24 Origin: 23506 TMW, US
23.133.205.0/24 Transit: 215828 TMW-GLOBAL-NETWORKS TMW Global Networks,
23.140.16.0/24 Origin: 63371 RESERVED, ZZ
23.140.16.0/24 Transit: 10796 TWC-10796-MIDWEST, US
23.140.48.0/24 Origin: 63371 RESERVED, ZZ
23.140.48.0/24 Transit: 7018 ATT-INTERNET4, US
23.140.216.0/24 Origin: 27176 DATAWAGON, US
23.140.216.0/24 Transit: 20278 NEXEON, 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 /9:16 /10:42 /11:93 /12:307
/13:585 /14:1215 /15:2148 /16:13941 /17:8325 /18:13786
/19:24767 /20:44696 /21:52482 /22:112560 /23:101036 /24:597878
/25:691 /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 6700 7739 UNI2-AS, ES
8151 5924 11714 UNINET, MX
11492 3555 4698 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3418 3623 SHAW, CA
7155 3128 4180 VIASAT-SP-BACKBONE, US
22773 2516 3381 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2264 12731 AMAZON-02, US
30036 2239 2579 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2183 3543 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1666 2:1514 3:570 4:9 5:4587 6:165
7:6 8:1550 9:1 11:172 12:1382 13:354
14:2538 15:346 16:270 17:358 18:916 20:451
21:4 22:188 23:7265 24:2736 25:2 27:2663
29:19 31:3119 32:41 34:77 35:200 36:2419
37:4604 38:8591 39:897 40:152 41:4166 42:955
43:2504 44:347 45:18243 46:4954 47:295 49:1995
50:1878 51:590 52:1573 54:307 55:1147 56:9
57:239 58:2153 59:1246 60:1164 61:2796 62:2938
63:1824 64:5492 65:2201 66:4630 67:3028 68:1122
69:4004 70:1113 71:608 72:2855 74:2794 75:1639
76:632 77:2617 78:1852 79:1696 80:2230 81:2044
82:2268 83:1414 84:1796 85:3299 86:1028 87:2438
88:1281 89:4327 90:754 91:8344 92:2797 93:2862
94:3930 95:4169 96:1290 97:308 98:972 99:734
100:71 101:1145 102:3509 103:32294 104:4666 105:757
106:1019 107:2607 108:1168 109:4083 110:2220 111:3402
112:2047 113:1528 114:1940 115:2135 116:2041 117:2741
118:2424 119:1931 120:1890 121:1407 122:2762 123:2163
124:1607 125:2900 126:94 128:1564 129:963 130:1273
131:1865 132:791 133:450 134:1528 135:322 136:1332
137:1148 138:2891 139:1580 140:1551 141:1471 142:1825
143:1606 144:1058 145:461 146:2145 147:2059 148:2590
149:2858 150:1196 151:1643 152:2027 153:504 154:7935
155:1601 156:3518 157:1872 158:1255 159:2436 160:3527
161:1851 162:3651 163:1792 164:1701 165:2174 166:1326
167:1875 168:4085 169:795 170:5051 171:1002 172:4306
173:3232 174:920 175:1265 176:3603 177:4798 178:3786
179:2216 180:2548 181:3988 182:3372 183:1823 184:2258
185:21459 186:5074 187:4300 188:4215 189:4164 190:9519
191:1526 192:11181 193:9383 194:7742 195:5487 196:3204
197:3584 198:6188 199:8298 200:8084 201:6302 202:10560
203:10523 204:4558 205:3682 206:4651 207:3581 208:4192
209:5154 210:4787 211:2633 212:4524 213:3738 214:1058
215:42 216:6572 217:3105 218:1388 219:538 220:2108
221:1052 222:848 223:2337
End of report
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