[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Jan 19 18:02:15 UTC 2024
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 20 Jan, 2024
BGP Table (Global) as seen in Japan.
Report Website: https://thyme.apnic.net
Detailed Analysis: https://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 938980
Prefixes after maximum aggregation (per Origin AS): 357247
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 455839
Total ASes present in the Internet Routing Table: 75298
Prefixes per ASN: 12.47
Origin-only ASes present in the Internet Routing Table: 64546
Origin ASes announcing only one prefix: 26557
Transit ASes present in the Internet Routing Table: 10752
Transit-only ASes present in the Internet Routing Table: 493
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 121
Max AS path prepend of ASN (150315) 116
Prefixes from unregistered ASNs in the Routing Table: 1107
Number of instances of unregistered ASNs: 1109
Number of 32-bit ASNs allocated by the RIRs: 43428
Number of 32-bit ASNs visible in the Routing Table: 35732
Prefixes from 32-bit ASNs in the Routing Table: 180291
Number of bogon 32-bit ASNs visible in the Routing Table: 31
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 482
Number of addresses announced to Internet: 3047904768
Equivalent to 181 /8s, 171 /16s and 86 /24s
Percentage of available address space announced: 82.3
Percentage of allocated address space announced: 82.3
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: 309993
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 251384
Total APNIC prefixes after maximum aggregation: 72650
APNIC Deaggregation factor: 3.46
Prefixes being announced from the APNIC address blocks: 244273
Unique aggregates announced from the APNIC address blocks: 99891
APNIC Region origin ASes present in the Internet Routing Table: 13929
APNIC Prefixes per ASN: 17.54
APNIC Region origin ASes announcing only one prefix: 4198
APNIC Region transit ASes present in the Internet Routing Table: 1879
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 121
Number of APNIC region 32-bit ASNs visible in the Routing Table: 9286
Number of APNIC addresses announced to Internet: 774863744
Equivalent to 46 /8s, 47 /16s and 123 /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: 273579
Total ARIN prefixes after maximum aggregation: 123863
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 278451
Unique aggregates announced from the ARIN address blocks: 132047
ARIN Region origin ASes present in the Internet Routing Table: 19070
ARIN Prefixes per ASN: 14.60
ARIN Region origin ASes announcing only one prefix: 6940
ARIN Region transit ASes present in the Internet Routing Table: 1961
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4833
Number of ARIN addresses announced to Internet: 1272419072
Equivalent to 75 /8s, 215 /16s and 147 /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, 393216-401308
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, 47/8, 48/8, 50/8, 52/8, 53/8,
54/8, 55/8, 56/8, 57/8, 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: 261973
Total RIPE prefixes after maximum aggregation: 125120
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 256625
Unique aggregates announced from the RIPE address blocks: 161090
RIPE Region origin ASes present in the Internet Routing Table: 28524
RIPE Prefixes per ASN: 9.00
RIPE Region origin ASes announcing only one prefix: 12130
RIPE Region transit ASes present in the Internet Routing Table: 3959
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 37
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11546
Number of RIPE addresses announced to Internet: 714401664
Equivalent to 42 /8s, 148 /16s and 231 /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,
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: 120305
Total LACNIC prefixes after maximum aggregation: 28828
LACNIC Deaggregation factor: 4.17
Prefixes being announced from the LACNIC address blocks: 118991
Unique aggregates announced from the LACNIC address blocks: 49521
LACNIC Region origin ASes present in the Internet Routing Table: 11058
LACNIC Prefixes per ASN: 10.76
LACNIC Region origin ASes announcing only one prefix: 2639
LACNIC Region transit ASes present in the Internet Routing Table: 2387
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 55
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8907
Number of LACNIC addresses announced to Internet: 178120704
Equivalent to 10 /8s, 157 /16s and 232 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + 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: 30632
Total AfriNIC prefixes after maximum aggregation: 6063
AfriNIC Deaggregation factor: 5.05
Prefixes being announced from the AfriNIC address blocks: 40158
Unique aggregates announced from the AfriNIC address blocks: 12889
AfriNIC Region origin ASes present in the Internet Routing Table: 1819
AfriNIC Prefixes per ASN: 22.08
AfriNIC Region origin ASes announcing only one prefix: 650
AfriNIC Region transit ASes present in the Internet Routing Table: 356
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 30
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1160
Number of AfriNIC addresses announced to Internet: 107815680
Equivalent to 6 /8s, 109 /16s and 35 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 45/8, 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 9801 8740 56 CHINAMOBILE-CN China Mobile Communicati
7545 5679 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4923 4192 75 ERX-CERNET-BKB China Education and Rese
18403 4571 347 25 FPT-AS-AP FPT Telecom Company, VN
7552 3865 1330 20 VIETEL-AS-AP Viettel Group, VN
7713 3592 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon
9498 3445 499 256 BBIL-AP BHARTI Airtel Ltd., IN
45899 3276 1872 99 VNPT-AS-VN VNPT Corp, VN
24560 2682 859 361 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
4766 2295 11258 574 KIXS-AS-KR Korea Telecom, KR
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 9489 11202 3385 AMAZON-02, US
11492 4567 303 671 CABLEONE, US
7155 4177 288 96 VIASAT-SP-BACKBONE, US
6327 3569 1319 69 SHAW, CA
22773 3517 3060 305 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3266 1427 2338 AKAMAI-AS, US
749 3161 54929 2413 DNIC-AS-00749, US
367 2969 3829 1433 DNIC-ASBLK-00306-00371, US
396982 2746 3639 390 GOOGLE-CLOUD-PLATFORM, US
7018 2515 23622 1579 ATT-INTERNET4, 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 7561 1714 146 UNI2-AS, ES
39891 4658 280 55 ALJAWWALSTC-AS, SA
20940 4001 3396 134 AKAMAI-ASN1, NL
9009 3329 288 1599 M247, RO
12389 2987 2302 914 ROSTELECOM-AS, RU
8551 2806 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
34984 2327 359 600 TELLCOM-AS, TR
13188 1607 100 26 TRIOLAN, UA
58224 1509 867 579 TCI, IR
8452 1484 1852 14 TE-AS TE-AS, EG
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 12320 3379 609 UNINET, MX
10620 3527 497 884 Telmex Colombia S.A., CO
13999 2494 338 637 Mega Cable, S.A. de C.V., MX
11830 2006 369 64 Instituto Costarricense de Electricidad
28573 1343 2319 238 Claro NXT Telecomunicacoes Ltda, BR
3816 1305 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6503 1237 340 498 Axtel, S.A.B. de C.V., MX
11664 1118 178 424 Techtel LMDS Comunicaciones Interactiva
6147 1089 369 22 Telefonica del Peru S.A.A., PE
22884 1077 116 377 TOTAL PLAY TELECOMUNICACIONES SA DE CV,
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 1548 545 28 RAYA-AS, EG
24863 1527 389 16 LINKdotNET-AS, EG
36992 1363 1518 281 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
29571 1087 70 55 ORANGE-COTE-IVOIRE, CI
36935 935 521 42 Vodafone-, EG
6713 551 1861 34 IAM-AS, MA
15399 539 56 54 WANANCHI-, KE
36914 532 82 3 KENET-AS, KE
24757 483 73 5 EthioNet-AS, ET
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
8151 12320 3379 609 UNINET, MX
9808 9801 8740 56 CHINAMOBILE-CN China Mobile Communicati
16509 9489 11202 3385 AMAZON-02, US
12479 7561 1714 146 UNI2-AS, ES
7545 5679 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4923 4192 75 ERX-CERNET-BKB China Education and Rese
39891 4658 280 55 ALJAWWALSTC-AS, SA
18403 4571 347 25 FPT-AS-AP FPT Telecom Company, VN
11492 4567 303 671 CABLEONE, US
7155 4177 288 96 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
9808 9801 9745 CHINAMOBILE-CN China Mobile Communications Grou
12479 7561 7415 UNI2-AS, ES
16509 9489 6104 AMAZON-02, US
7545 5679 4992 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4923 4848 ERX-CERNET-BKB China Education and Research Net
39891 4658 4603 ALJAWWALSTC-AS, SA
18403 4571 4546 FPT-AS-AP FPT Telecom Company, VN
7155 4177 4081 VIASAT-SP-BACKBONE, US
11492 4567 3896 CABLEONE, US
20940 4001 3867 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
65536 DOCUMENT 5.102.30.0/24 65512 -Private Use AS-, ZZ
33492 UNALLOCATED 8.6.184.0/23 33650 COMCAST-33650, US
33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US
12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M
40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US
19589 UNALLOCATED 8.19.242.0/24 23314 ORLANDOTELCO, US
19589 UNALLOCATED 8.19.248.0/24 23314 ORLANDOTELCO, US
53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US
62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US
393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, 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
23.140.216.0/24 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
23.169.168.0/24 Origin: 151188 M4NIC-AS-AP 404 Network Information Co.,
23.169.168.0/24 Transit: 202400 TAIPEI101-NETWORK-LLC, GB
23.176.160.0/24 Origin: 397327 RESERVED, ZZ
23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US
23.189.192.0/24 Origin: 27593 RESERVED, ZZ
23.189.192.0/24 Transit: 174 COGENT-174, 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 /10:37 /11:99 /12:300
/13:579 /14:1195 /15:2068 /16:13455 /17:8244 /18:13806
/19:25069 /20:44427 /21:51917 /22:110833 /23:99044 /24:567149
/25:728 /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 6646 7561 UNI2-AS, ES
8151 6304 12320 UNINET, MX
11492 3481 4567 CABLEONE, US
6327 3374 3569 SHAW, CA
39891 3340 4658 ALJAWWALSTC-AS, SA
7155 3121 4177 VIASAT-SP-BACKBONE, US
22773 2553 3517 ASN-CXA-ALL-CCI-22773-RDC, US
8551 2282 2806 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
10620 2130 3527 Telmex Colombia S.A., CO
30036 2129 2472 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2326 2:1475 3:284 4:5 5:4430 6:163
7:6 8:1532 9:1 11:172 12:1483 13:373
14:2377 15:310 16:203 17:363 18:715 20:348
21:4 22:188 23:6614 24:2692 25:2 27:2514
29:19 31:2549 32:54 34:35 35:122 36:2142
37:4489 38:5969 39:888 40:149 41:4172 42:2219
43:2324 44:324 45:16776 46:4307 47:284 49:1912
50:1894 51:574 52:1592 54:361 55:860 56:5
57:134 58:1946 59:1208 60:1016 61:2583 62:2726
63:1910 64:5513 65:2335 66:4924 67:3044 68:1335
69:4087 70:1179 71:579 72:2912 74:2652 75:1554
76:625 77:2335 78:1829 79:2578 80:2131 81:1902
82:1522 83:1267 84:1642 85:3085 86:774 87:1960
88:1221 89:3963 90:659 91:7908 92:2177 93:2639
94:3601 95:4020 96:1289 97:318 98:1019 99:745
100:96 101:1179 102:3047 103:32545 104:4793 105:600
106:920 107:2747 108:1123 109:4048 110:2140 111:3189
112:2094 113:1796 114:1759 115:1972 116:1978 117:2634
118:2763 119:1946 120:1804 121:1324 122:2650 123:2216
124:1599 125:2839 126:28 128:1466 129:913 130:1068
131:1924 132:822 133:410 134:1708 135:308 136:921
137:1002 138:2769 139:1581 140:1308 141:1349 142:1545
143:1526 144:1004 145:343 146:1991 147:1660 148:2507
149:2435 150:1019 151:1307 152:1874 153:528 154:5622
155:1371 156:2098 157:1400 158:1087 159:2212 160:2601
161:1627 162:3605 163:1675 164:1630 165:2094 166:1079
167:1707 168:3837 169:794 170:4685 171:1012 172:3776
173:3009 174:898 175:1215 176:3627 177:4593 178:3523
179:2221 180:2363 181:3656 182:3462 183:2019 184:2279
185:20537 186:4787 187:4349 188:4007 189:3979 190:9309
191:1478 192:11030 193:8977 194:7366 195:5225 196:3180
197:2619 198:6003 199:7025 200:8074 201:6335 202:10485
203:10091 204:4595 205:3698 206:4443 207:3522 208:4111
209:4944 210:4614 211:2596 212:4225 213:3403 214:1108
215:44 216:6781 217:2773 218:1341 219:588 220:2049
221:1023 222:869 223:2226
End of report
More information about the afnog
mailing list