[SANOG] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Feb 23 18:02:06 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 24 Feb, 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: 941238
Prefixes after maximum aggregation (per Origin AS): 358177
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 457381
Total ASes present in the Internet Routing Table: 75487
Prefixes per ASN: 12.47
Origin-only ASes present in the Internet Routing Table: 64706
Origin ASes announcing only one prefix: 26609
Transit ASes present in the Internet Routing Table: 10781
Transit-only ASes present in the Internet Routing Table: 505
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 55
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1075
Number of instances of unregistered ASNs: 1077
Number of 32-bit ASNs allocated by the RIRs: 43684
Number of 32-bit ASNs visible in the Routing Table: 35955
Prefixes from 32-bit ASNs in the Routing Table: 182097
Number of bogon 32-bit ASNs visible in the Routing Table: 38
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 533
Number of addresses announced to Internet: 3042201216
Equivalent to 181 /8s, 84 /16s and 78 /24s
Percentage of available address space announced: 82.2
Percentage of allocated address space announced: 82.2
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: 309759
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 252126
Total APNIC prefixes after maximum aggregation: 73065
APNIC Deaggregation factor: 3.45
Prefixes being announced from the APNIC address blocks: 244812
Unique aggregates announced from the APNIC address blocks: 100126
APNIC Region origin ASes present in the Internet Routing Table: 13999
APNIC Prefixes per ASN: 17.49
APNIC Region origin ASes announcing only one prefix: 4223
APNIC Region transit ASes present in the Internet Routing Table: 1886
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 34
Number of APNIC region 32-bit ASNs visible in the Routing Table: 9379
Number of APNIC addresses announced to Internet: 774672512
Equivalent to 46 /8s, 44 /16s and 144 /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: 273441
Total ARIN prefixes after maximum aggregation: 123490
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 278214
Unique aggregates announced from the ARIN address blocks: 132270
ARIN Region origin ASes present in the Internet Routing Table: 19109
ARIN Prefixes per ASN: 14.56
ARIN Region origin ASes announcing only one prefix: 6970
ARIN Region transit ASes present in the Internet Routing Table: 1976
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: 4850
Number of ARIN addresses announced to Internet: 1269775872
Equivalent to 75 /8s, 175 /16s and 62 /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: 262978
Total RIPE prefixes after maximum aggregation: 125867
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 257823
Unique aggregates announced from the RIPE address blocks: 161794
RIPE Region origin ASes present in the Internet Routing Table: 28570
RIPE Prefixes per ASN: 9.02
RIPE Region origin ASes announcing only one prefix: 12134
RIPE Region transit ASes present in the Internet Routing Table: 3967
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 40
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11625
Number of RIPE addresses announced to Internet: 713528576
Equivalent to 42 /8s, 135 /16s and 149 /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: 121057
Total LACNIC prefixes after maximum aggregation: 28946
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 119649
Unique aggregates announced from the LACNIC address blocks: 49536
LACNIC Region origin ASes present in the Internet Routing Table: 11069
LACNIC Prefixes per ASN: 10.81
LACNIC Region origin ASes announcing only one prefix: 2628
LACNIC Region transit ASes present in the Internet Routing Table: 2402
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: 8920
Number of LACNIC addresses announced to Internet: 177705984
Equivalent to 10 /8s, 151 /16s and 148 /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: 30561
Total AfriNIC prefixes after maximum aggregation: 6095
AfriNIC Deaggregation factor: 5.01
Prefixes being announced from the AfriNIC address blocks: 40207
Unique aggregates announced from the AfriNIC address blocks: 13211
AfriNIC Region origin ASes present in the Internet Routing Table: 1832
AfriNIC Prefixes per ASN: 21.95
AfriNIC Region origin ASes announcing only one prefix: 654
AfriNIC Region transit ASes present in the Internet Routing Table: 353
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 47
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1181
Number of AfriNIC addresses announced to Internet: 106212352
Equivalent to 6 /8s, 84 /16s and 172 /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 9831 8740 57 CHINAMOBILE-CN China Mobile Communicati
7545 5656 777 675 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4929 4192 75 ERX-CERNET-BKB China Education and Rese
18403 4505 347 25 FPT-AS-AP FPT Telecom Company, VN
7552 3882 1331 21 VIETEL-AS-AP Viettel Group, VN
7713 3592 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon
9498 3510 497 252 BBIL-AP BHARTI Airtel Ltd., IN
45899 3290 1872 99 VNPT-AS-VN VNPT Corp, VN
24560 2740 860 372 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
4766 2297 11257 572 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 9651 11239 3315 AMAZON-02, US
11492 4581 304 644 CABLEONE, US
7155 4181 288 96 VIASAT-SP-BACKBONE, US
22773 3616 3062 300 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3596 1320 75 SHAW, CA
16625 3216 1403 2292 AKAMAI-AS, US
749 3183 54927 2435 DNIC-AS-00749, US
174 3028 6638 674 COGENT-174, US
367 2909 3694 1422 DNIC-ASBLK-00306-00371, US
396982 2758 3639 397 GOOGLE-CLOUD-PLATFORM, 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 7611 1714 147 UNI2-AS, ES
39891 4758 286 60 ALJAWWALSTC-AS, SA
20940 3871 3396 128 AKAMAI-ASN1, NL
9009 3247 282 1584 M247, RO
12389 2971 2303 906 ROSTELECOM-AS, RU
8551 2655 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
34984 2351 363 595 TELLCOM-AS, TR
13188 1526 95 119 TRIOLAN, UA
8452 1502 1852 14 TE-AS TE-AS, EG
44477 1486 97 707 STARK-INDUSTRIES, 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 12489 3372 604 UNINET, MX
10620 3523 496 891 Telmex Colombia S.A., CO
13999 2522 342 644 Mega Cable, S.A. de C.V., MX
11830 2006 369 64 Instituto Costarricense de Electricidad
28573 1330 2319 238 Claro NXT Telecomunicacoes Ltda, BR
3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6503 1212 340 498 Axtel, S.A.B. de C.V., MX
11664 1142 179 419 Techtel LMDS Comunicaciones Interactiva
6147 1088 369 22 Telefonica del Peru S.A.A., PE
22884 1073 115 381 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 1544 389 16 LINKdotNET-AS, EG
36992 1362 1519 281 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
29571 1145 73 63 ORANGE-COTE-IVOIRE, CI
36935 935 521 42 Vodafone-, EG
6713 554 1861 34 IAM-AS, MA
36914 548 82 3 KENET-AS, KE
15399 524 55 53 WANANCHI-, KE
37342 486 32 1 MOVITEL, MZ
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 12489 3372 604 UNINET, MX
9808 9831 8740 57 CHINAMOBILE-CN China Mobile Communicati
16509 9651 11239 3315 AMAZON-02, US
12479 7611 1714 147 UNI2-AS, ES
7545 5656 777 675 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4929 4192 75 ERX-CERNET-BKB China Education and Rese
39891 4758 286 60 ALJAWWALSTC-AS, SA
11492 4581 304 644 CABLEONE, US
18403 4505 347 25 FPT-AS-AP FPT Telecom Company, VN
7155 4181 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 9831 9774 CHINAMOBILE-CN China Mobile Communications Grou
12479 7611 7464 UNI2-AS, ES
16509 9651 6336 AMAZON-02, US
7545 5656 4981 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4929 4854 ERX-CERNET-BKB China Education and Research Net
39891 4758 4698 ALJAWWALSTC-AS, SA
18403 4505 4480 FPT-AS-AP FPT Telecom Company, VN
7155 4181 4085 VIASAT-SP-BACKBONE, US
11492 4581 3937 CABLEONE, US
7552 3882 3861 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
215433 UNALLOCATED 5.144.176.0/24 30823 AUROLOGIC aurologic GmbH, DE
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
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
396894 UNALLOCATED 8.28.201.0/24 46887 LIGHTOWER, 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
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
23.160.121.0/24 Origin: 39937 LTECH, US
23.160.121.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE
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 /11:98 /12:300
/13:576 /14:1191 /15:2062 /16:13380 /17:8225 /18:13728
/19:24970 /20:44380 /21:51577 /22:110695 /23:98748 /24:570514
/25:727 /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 6726 7611 UNI2-AS, ES
8151 6447 12489 UNINET, MX
11492 3494 4581 CABLEONE, US
39891 3440 4758 ALJAWWALSTC-AS, SA
6327 3393 3596 SHAW, CA
7155 3125 4181 VIASAT-SP-BACKBONE, US
22773 2652 3616 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2149 2492 MEDIACOM-ENTERPRISE-BUSINESS, US
8551 2131 2655 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
10620 2129 3523 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2316 2:1524 3:300 4:6 5:4472 6:164
7:6 8:1519 9:1 11:172 12:1468 13:388
14:2390 15:313 16:207 17:368 18:738 20:356
21:4 22:188 23:6603 24:2704 25:2 27:2566
29:19 31:2562 32:48 34:39 35:124 36:2178
37:4502 38:6936 39:892 40:140 41:4069 42:2176
43:2327 44:326 45:16862 46:4367 47:287 49:1932
50:1907 51:575 52:1582 54:312 55:883 56:5
57:150 58:2034 59:1180 60:1019 61:2591 62:2684
63:1910 64:5517 65:2308 66:4699 67:3050 68:1339
69:4053 70:1198 71:575 72:2898 74:2600 75:1554
76:633 77:2407 78:1844 79:2473 80:2137 81:1915
82:1500 83:1247 84:1654 85:3100 86:838 87:2219
88:1226 89:4000 90:678 91:7925 92:2189 93:2637
94:3653 95:4075 96:1286 97:312 98:1031 99:745
100:92 101:1173 102:3105 103:32551 104:4769 105:601
106:939 107:2765 108:1115 109:3997 110:2143 111:3215
112:2066 113:1815 114:1777 115:1970 116:1972 117:2653
118:2735 119:1948 120:1812 121:1329 122:2687 123:2227
124:1607 125:2875 126:28 128:1531 129:925 130:1094
131:1819 132:820 133:412 134:1709 135:312 136:922
137:1039 138:2793 139:1558 140:1374 141:1346 142:1561
143:1479 144:1009 145:345 146:2013 147:1708 148:2506
149:2543 150:1026 151:1323 152:1983 153:525 154:5707
155:1380 156:2102 157:1547 158:1096 159:2221 160:2604
161:1634 162:3604 163:1706 164:1633 165:2106 166:1073
167:1710 168:3837 169:786 170:4714 171:1020 172:3829
173:3026 174:900 175:1217 176:3653 177:4555 178:3530
179:2210 180:2364 181:3635 182:3449 183:2019 184:2266
185:20640 186:4905 187:4419 188:4034 189:4123 190:9325
191:1419 192:10985 193:9010 194:7428 195:5254 196:3149
197:2679 198:6017 199:7212 200:8081 201:6324 202:10492
203:10160 204:4545 205:3740 206:4485 207:3538 208:4134
209:4995 210:4643 211:2573 212:4292 213:3410 214:1115
215:44 216:6713 217:2817 218:1365 219:582 220:2051
221:1022 222:877 223:2235
End of report
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