[menog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Dec 29 18:02:18 UTC 2023
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 30 Dec, 2023
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: 939879
Prefixes after maximum aggregation (per Origin AS): 357841
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 456305
Total ASes present in the Internet Routing Table: 75203
Prefixes per ASN: 12.50
Origin-only ASes present in the Internet Routing Table: 64518
Origin ASes announcing only one prefix: 26555
Transit ASes present in the Internet Routing Table: 10685
Transit-only ASes present in the Internet Routing Table: 479
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: 1054
Number of instances of unregistered ASNs: 1056
Number of 32-bit ASNs allocated by the RIRs: 43280
Number of 32-bit ASNs visible in the Routing Table: 35605
Prefixes from 32-bit ASNs in the Routing Table: 179570
Number of bogon 32-bit ASNs visible in the Routing Table: 19
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 510
Number of addresses announced to Internet: 3046009344
Equivalent to 181 /8s, 142 /16s and 106 /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: 311347
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 251361
Total APNIC prefixes after maximum aggregation: 72465
APNIC Deaggregation factor: 3.47
Prefixes being announced from the APNIC address blocks: 244404
Unique aggregates announced from the APNIC address blocks: 99622
APNIC Region origin ASes present in the Internet Routing Table: 13876
APNIC Prefixes per ASN: 17.61
APNIC Region origin ASes announcing only one prefix: 4178
APNIC Region transit ASes present in the Internet Routing Table: 1870
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: 9228
Number of APNIC addresses announced to Internet: 771056768
Equivalent to 45 /8s, 245 /16s and 100 /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: 274175
Total ARIN prefixes after maximum aggregation: 124635
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 279162
Unique aggregates announced from the ARIN address blocks: 133085
ARIN Region origin ASes present in the Internet Routing Table: 19081
ARIN Prefixes per ASN: 14.63
ARIN Region origin ASes announcing only one prefix: 6951
ARIN Region transit ASes present in the Internet Routing Table: 1949
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: 4826
Number of ARIN addresses announced to Internet: 1273966080
Equivalent to 75 /8s, 239 /16s and 46 /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: 262575
Total RIPE prefixes after maximum aggregation: 125128
RIPE Deaggregation factor: 2.10
Prefixes being announced from the RIPE address blocks: 257040
Unique aggregates announced from the RIPE address blocks: 160933
RIPE Region origin ASes present in the Internet Routing Table: 28502
RIPE Prefixes per ASN: 9.02
RIPE Region origin ASes announcing only one prefix: 12117
RIPE Region transit ASes present in the Internet Routing Table: 3941
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: 11494
Number of RIPE addresses announced to Internet: 714558848
Equivalent to 42 /8s, 151 /16s and 77 /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: 120300
Total LACNIC prefixes after maximum aggregation: 28858
LACNIC Deaggregation factor: 4.17
Prefixes being announced from the LACNIC address blocks: 118933
Unique aggregates announced from the LACNIC address blocks: 49438
LACNIC Region origin ASes present in the Internet Routing Table: 11053
LACNIC Prefixes per ASN: 10.76
LACNIC Region origin ASes announcing only one prefix: 2666
LACNIC Region transit ASes present in the Internet Routing Table: 2363
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: 8902
Number of LACNIC addresses announced to Internet: 178379264
Equivalent to 10 /8s, 161 /16s and 218 /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: 30414
Total AfriNIC prefixes after maximum aggregation: 6038
AfriNIC Deaggregation factor: 5.04
Prefixes being announced from the AfriNIC address blocks: 39830
Unique aggregates announced from the AfriNIC address blocks: 12806
AfriNIC Region origin ASes present in the Internet Routing Table: 1815
AfriNIC Prefixes per ASN: 21.94
AfriNIC Region origin ASes announcing only one prefix: 643
AfriNIC Region transit ASes present in the Internet Routing Table: 350
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1155
Number of AfriNIC addresses announced to Internet: 107755520
Equivalent to 6 /8s, 108 /16s and 56 /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 9808 8739 55 CHINAMOBILE-CN China Mobile Communicati
7545 5675 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4925 4192 75 ERX-CERNET-BKB China Education and Rese
18403 4536 347 25 FPT-AS-AP FPT Telecom Company, VN
7552 3834 1330 20 VIETEL-AS-AP Viettel Group, VN
7713 3598 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon
9498 3416 495 254 BBIL-AP BHARTI Airtel Ltd., IN
45899 3269 1872 99 VNPT-AS-VN VNPT Corp, VN
24560 2660 856 371 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
4766 2331 11256 573 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 9451 11199 3359 AMAZON-02, US
11492 4562 303 680 CABLEONE, US
7155 4173 288 96 VIASAT-SP-BACKBONE, US
6327 3567 1320 69 SHAW, CA
22773 3502 3055 299 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3196 1416 2327 AKAMAI-AS, US
749 3162 54930 2414 DNIC-AS-00749, US
367 2969 3840 1418 DNIC-ASBLK-00306-00371, US
396982 2740 3639 386 GOOGLE-CLOUD-PLATFORM, US
7018 2502 23622 1570 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 7564 1714 146 UNI2-AS, ES
39891 4641 279 54 ALJAWWALSTC-AS, SA
20940 4011 3397 142 AKAMAI-ASN1, NL
9009 3487 300 1632 M247, RO
8551 3338 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 3014 2301 912 ROSTELECOM-AS, RU
34984 2327 359 597 TELLCOM-AS, TR
13188 1607 100 26 TRIOLAN, UA
58224 1510 872 576 TCI, IR
44477 1448 95 714 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 12153 3384 590 UNINET, MX
10620 3519 497 886 Telmex Colombia S.A., CO
13999 2494 339 636 Mega Cable, S.A. de C.V., MX
11830 2006 369 64 Instituto Costarricense de Electricidad
28573 1345 2318 237 Claro NXT Telecomunicacoes Ltda, BR
3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6503 1245 341 503 Axtel, S.A.B. de C.V., MX
11664 1106 178 423 Techtel LMDS Comunicaciones Interactiva
6147 1087 369 22 Telefonica del Peru S.A.A., PE
22884 1075 116 373 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
24863 1588 389 16 LINKdotNET-AS, EG
24835 1548 545 28 RAYA-AS, EG
36992 1360 1518 280 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
29571 1071 69 52 ORANGE-COTE-IVOIRE, CI
36935 936 521 43 Vodafone-, EG
6713 550 1861 34 IAM-AS, MA
15399 533 55 54 WANANCHI-, KE
36914 508 82 3 KENET-AS, KE
37342 481 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 12153 3384 590 UNINET, MX
9808 9808 8739 55 CHINAMOBILE-CN China Mobile Communicati
16509 9451 11199 3359 AMAZON-02, US
12479 7564 1714 146 UNI2-AS, ES
7545 5675 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4925 4192 75 ERX-CERNET-BKB China Education and Rese
39891 4641 279 54 ALJAWWALSTC-AS, SA
11492 4562 303 680 CABLEONE, US
18403 4536 347 25 FPT-AS-AP FPT Telecom Company, VN
7155 4173 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 9808 9753 CHINAMOBILE-CN China Mobile Communications Grou
12479 7564 7418 UNI2-AS, ES
16509 9451 6092 AMAZON-02, US
7545 5675 4988 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4925 4850 ERX-CERNET-BKB China Education and Research Net
39891 4641 4587 ALJAWWALSTC-AS, SA
18403 4536 4511 FPT-AS-AP FPT Telecom Company, VN
7155 4173 4077 VIASAT-SP-BACKBONE, US
11492 4562 3882 CABLEONE, US
20940 4011 3869 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
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
23.176.160.0/24 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
36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road,
36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin
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 /12:298
/13:581 /14:1193 /15:2062 /16:13443 /17:8271 /18:13804
/19:25155 /20:44412 /21:52007 /22:110959 /23:99840 /24:566972
/25:716 /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 6652 7564 UNI2-AS, ES
8151 6161 12153 UNINET, MX
11492 3476 4562 CABLEONE, US
6327 3371 3567 SHAW, CA
39891 3324 4641 ALJAWWALSTC-AS, SA
7155 3117 4173 VIASAT-SP-BACKBONE, US
8551 2815 3338 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2554 3502 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2130 2473 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2122 3519 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2311 2:1408 3:283 4:5 5:4402 6:163
7:6 8:1533 9:1 11:172 12:1488 13:375
14:2333 15:309 16:206 17:362 18:709 20:344
21:4 22:188 23:6580 24:2606 25:2 27:2554
29:19 31:2547 32:56 34:35 35:121 36:2129
37:4483 38:5819 39:884 40:147 41:4127 42:2203
43:2332 44:325 45:16699 46:4349 47:285 49:1909
50:1887 51:574 52:1593 54:368 55:892 56:5
57:129 58:1926 59:1174 60:1012 61:2568 62:2755
63:1911 64:5501 65:2338 66:5022 67:3040 68:1339
69:4059 70:1180 71:610 72:2921 74:2635 75:1547
76:629 77:2338 78:1827 79:2999 80:2113 81:1875
82:1521 83:1326 84:1631 85:2992 86:793 87:1962
88:1231 89:3966 90:657 91:7904 92:2172 93:2629
94:3590 95:3995 96:1298 97:315 98:1018 99:738
100:94 101:1160 102:3013 103:32524 104:4782 105:601
106:982 107:2764 108:1148 109:4160 110:2141 111:3206
112:2084 113:1782 114:1752 115:1999 116:1983 117:2628
118:2774 119:1944 120:1808 121:1314 122:2646 123:2221
124:1641 125:2811 128:1485 129:919 130:1068 131:1965
132:829 133:411 134:1703 135:304 136:883 137:1036
138:2710 139:1572 140:1342 141:1340 142:1540 143:1532
144:1002 145:340 146:2015 147:1634 148:2485 149:2398
150:1015 151:1311 152:1848 153:529 154:5498 155:1369
156:2108 157:1369 158:1079 159:2209 160:2622 161:1616
162:3597 163:1673 164:1631 165:2099 166:1076 167:1740
168:3848 169:792 170:4698 171:996 172:3775 173:3019
174:896 175:1217 176:3598 177:4719 178:3534 179:2234
180:2355 181:3644 182:3455 183:2025 184:2273 185:20509
186:4807 187:4379 188:4019 189:3964 190:9338 191:1502
192:11033 193:8983 194:7360 195:5236 196:3134 197:2609
198:6020 199:6841 200:8096 201:6251 202:10563 203:10105
204:4589 205:3676 206:4510 207:3500 208:4101 209:4955
210:4625 211:2589 212:4218 213:3390 214:1113 215:50
216:6781 217:2773 218:1336 219:588 220:2051 221:1021
222:870 223:2227
End of report
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