[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Feb 9 18:02:16 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 10 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: 941813
Prefixes after maximum aggregation (per Origin AS): 358035
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 457231
Total ASes present in the Internet Routing Table: 75375
Prefixes per ASN: 12.50
Origin-only ASes present in the Internet Routing Table: 64616
Origin ASes announcing only one prefix: 26555
Transit ASes present in the Internet Routing Table: 10759
Transit-only ASes present in the Internet Routing Table: 481
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: 1100
Number of instances of unregistered ASNs: 1102
Number of 32-bit ASNs allocated by the RIRs: 43593
Number of 32-bit ASNs visible in the Routing Table: 35849
Prefixes from 32-bit ASNs in the Routing Table: 181573
Number of bogon 32-bit ASNs visible in the Routing Table: 34
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 508
Number of addresses announced to Internet: 3042330496
Equivalent to 181 /8s, 86 /16s and 71 /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: 310900
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 251974
Total APNIC prefixes after maximum aggregation: 72904
APNIC Deaggregation factor: 3.46
Prefixes being announced from the APNIC address blocks: 244649
Unique aggregates announced from the APNIC address blocks: 100083
APNIC Region origin ASes present in the Internet Routing Table: 13974
APNIC Prefixes per ASN: 17.51
APNIC Region origin ASes announcing only one prefix: 4224
APNIC Region transit ASes present in the Internet Routing Table: 1880
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: 9337
Number of APNIC addresses announced to Internet: 774527616
Equivalent to 46 /8s, 42 /16s and 90 /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: 274965
Total ARIN prefixes after maximum aggregation: 123818
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 279952
Unique aggregates announced from the ARIN address blocks: 132370
ARIN Region origin ASes present in the Internet Routing Table: 19087
ARIN Prefixes per ASN: 14.67
ARIN Region origin ASes announcing only one prefix: 6950
ARIN Region transit ASes present in the Internet Routing Table: 1967
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: 4846
Number of ARIN addresses announced to Internet: 1269972480
Equivalent to 75 /8s, 178 /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: 262681
Total RIPE prefixes after maximum aggregation: 125609
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 257308
Unique aggregates announced from the RIPE address blocks: 161464
RIPE Region origin ASes present in the Internet Routing Table: 28550
RIPE Prefixes per ASN: 9.01
RIPE Region origin ASes announcing only one prefix: 12111
RIPE Region transit ASes present in the Internet Routing Table: 3955
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: 11582
Number of RIPE addresses announced to Internet: 713464064
Equivalent to 42 /8s, 134 /16s and 153 /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: 120689
Total LACNIC prefixes after maximum aggregation: 28889
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 119307
Unique aggregates announced from the LACNIC address blocks: 49607
LACNIC Region origin ASes present in the Internet Routing Table: 11059
LACNIC Prefixes per ASN: 10.79
LACNIC Region origin ASes announcing only one prefix: 2631
LACNIC Region transit ASes present in the Internet Routing Table: 2397
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: 8913
Number of LACNIC addresses announced to Internet: 177959680
Equivalent to 10 /8s, 155 /16s and 115 /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: 30404
Total AfriNIC prefixes after maximum aggregation: 6097
AfriNIC Deaggregation factor: 4.99
Prefixes being announced from the AfriNIC address blocks: 40089
Unique aggregates announced from the AfriNIC address blocks: 13289
AfriNIC Region origin ASes present in the Internet Routing Table: 1822
AfriNIC Prefixes per ASN: 22.00
AfriNIC Region origin ASes announcing only one prefix: 639
AfriNIC Region transit ASes present in the Internet Routing Table: 352
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: 1171
Number of AfriNIC addresses announced to Internet: 106107648
Equivalent to 6 /8s, 83 /16s and 19 /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 9825 8739 55 CHINAMOBILE-CN China Mobile Communicati
7545 5679 784 685 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4920 4192 75 ERX-CERNET-BKB China Education and Rese
18403 4595 347 25 FPT-AS-AP FPT Telecom Company, VN
7552 3877 1331 21 VIETEL-AS-AP Viettel Group, VN
7713 3592 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon
9498 3484 499 255 BBIL-AP BHARTI Airtel Ltd., IN
45899 3286 1872 99 VNPT-AS-VN VNPT Corp, VN
24560 2695 859 383 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
4766 2302 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 9622 11224 3395 AMAZON-02, US
11492 4579 304 655 CABLEONE, US
7155 4177 288 96 VIASAT-SP-BACKBONE, US
22773 3621 3062 299 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3593 1320 74 SHAW, CA
16625 3240 1420 2313 AKAMAI-AS, US
749 3184 54927 2436 DNIC-AS-00749, US
174 3034 6640 664 COGENT-174, US
367 2938 3732 1434 DNIC-ASBLK-00306-00371, US
396982 2753 3639 394 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 7596 1698 149 UNI2-AS, ES
39891 4658 280 55 ALJAWWALSTC-AS, SA
20940 3858 3396 134 AKAMAI-ASN1, NL
9009 3284 285 1595 M247, RO
12389 2994 2302 907 ROSTELECOM-AS, RU
8551 2704 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
34984 2346 363 592 TELLCOM-AS, TR
13188 1607 100 26 TRIOLAN, UA
8452 1497 1852 14 TE-AS TE-AS, EG
58224 1492 848 597 TCI, IR
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 12326 3390 616 UNINET, MX
10620 3520 496 895 Telmex Colombia S.A., CO
13999 2502 337 640 Mega Cable, S.A. de C.V., MX
11830 2005 369 64 Instituto Costarricense de Electricidad
28573 1326 2319 238 Claro NXT Telecomunicacoes Ltda, BR
3816 1306 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6503 1237 340 498 Axtel, S.A.B. de C.V., MX
11664 1133 178 427 Techtel LMDS Comunicaciones Interactiva
22884 1074 116 379 TOTAL PLAY TELECOMUNICACIONES SA DE CV,
6147 1067 369 22 Telefonica del Peru S.A.A., PE
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 1518 389 16 LINKdotNET-AS, EG
36992 1361 1519 281 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
29571 1124 72 58 ORANGE-COTE-IVOIRE, CI
36935 935 521 42 Vodafone-, EG
6713 551 1861 34 IAM-AS, MA
36914 530 82 3 KENET-AS, KE
15399 525 55 53 WANANCHI-, KE
24757 487 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 12326 3390 616 UNINET, MX
9808 9825 8739 55 CHINAMOBILE-CN China Mobile Communicati
16509 9622 11224 3395 AMAZON-02, US
12479 7596 1698 149 UNI2-AS, ES
7545 5679 784 685 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4920 4192 75 ERX-CERNET-BKB China Education and Rese
39891 4658 280 55 ALJAWWALSTC-AS, SA
18403 4595 347 25 FPT-AS-AP FPT Telecom Company, VN
11492 4579 304 655 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 9825 9770 CHINAMOBILE-CN China Mobile Communications Grou
12479 7596 7447 UNI2-AS, ES
16509 9622 6227 AMAZON-02, US
7545 5679 4994 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4920 4845 ERX-CERNET-BKB China Education and Research Net
39891 4658 4603 ALJAWWALSTC-AS, SA
18403 4595 4570 FPT-AS-AP FPT Telecom Company, VN
7155 4177 4081 VIASAT-SP-BACKBONE, US
11492 4579 3924 CABLEONE, US
7552 3877 3856 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
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
54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, 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
23.164.72.0/24 Origin: 49195 SSAC, CN
23.164.72.0/24 Transit: 15353 XENTAIN, CA
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
/13:578 /14:1192 /15:2064 /16:13370 /17:8204 /18:13705
/19:25020 /20:44430 /21:51908 /22:110832 /23:99440 /24:569871
/25:734 /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 6713 7596 UNI2-AS, ES
8151 6335 12326 UNINET, MX
11492 3493 4579 CABLEONE, US
6327 3391 3593 SHAW, CA
39891 3340 4658 ALJAWWALSTC-AS, SA
7155 3121 4177 VIASAT-SP-BACKBONE, US
22773 2657 3621 ASN-CXA-ALL-CCI-22773-RDC, US
8551 2180 2704 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 2137 2480 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2126 3520 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2341 2:1459 3:298 4:6 5:4469 6:165
7:6 8:1533 9:1 11:172 12:1482 13:377
14:2379 15:311 16:202 17:362 18:729 20:353
21:4 22:188 23:6595 24:2709 25:2 27:2551
29:19 31:2561 32:57 34:38 35:124 36:2153
37:4473 38:6893 39:900 40:140 41:4057 42:2222
43:2323 44:330 45:16898 46:4361 47:285 49:1913
50:1906 51:572 52:1591 54:343 55:884 56:5
57:146 58:2030 59:1205 60:1018 61:2600 62:2697
63:1929 64:5518 65:2325 66:4933 67:3059 68:1338
69:4091 70:1199 71:578 72:2919 74:2658 75:1555
76:631 77:2357 78:1846 79:2516 80:2124 81:1906
82:1520 83:1249 84:1644 85:3095 86:782 87:2193
88:1222 89:4002 90:671 91:7924 92:2189 93:2636
94:3645 95:4061 96:1287 97:313 98:1033 99:744
100:95 101:1167 102:3075 103:32543 104:4781 105:598
106:927 107:2769 108:1132 109:4016 110:2152 111:3209
112:2070 113:1807 114:1762 115:1963 116:1977 117:2639
118:2752 119:1941 120:1812 121:1319 122:2633 123:2230
124:1604 125:2849 126:28 128:1451 129:926 130:1088
131:1824 132:824 133:411 134:1706 135:311 136:920
137:1029 138:2796 139:1541 140:1366 141:1341 142:1560
143:1512 144:1015 145:344 146:2005 147:1701 148:2513
149:2518 150:1023 151:1323 152:1981 153:528 154:5668
155:1374 156:2105 157:1503 158:1094 159:2207 160:2604
161:1630 162:3608 163:1695 164:1629 165:2110 166:1075
167:1711 168:3810 169:798 170:4711 171:1016 172:3808
173:3016 174:903 175:1214 176:3637 177:4545 178:3535
179:2204 180:2362 181:3679 182:3469 183:2017 184:2277
185:20549 186:4826 187:4394 188:4005 189:4022 190:9316
191:1451 192:11009 193:8996 194:7396 195:5265 196:3132
197:2614 198:6018 199:7150 200:8050 201:6354 202:10485
203:10160 204:4567 205:3742 206:4426 207:3524 208:4132
209:4964 210:4637 211:2582 212:4260 213:3409 214:1111
215:44 216:6802 217:2788 218:1364 219:597 220:2053
221:1020 222:873 223:2233
End of report
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