[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Feb 16 18:02:19 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 17 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: 942295
Prefixes after maximum aggregation (per Origin AS): 358047
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 457204
Total ASes present in the Internet Routing Table: 75421
Prefixes per ASN: 12.49
Origin-only ASes present in the Internet Routing Table: 64642
Origin ASes announcing only one prefix: 26587
Transit ASes present in the Internet Routing Table: 10779
Transit-only ASes present in the Internet Routing Table: 502
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: 1075
Number of instances of unregistered ASNs: 1085
Number of 32-bit ASNs allocated by the RIRs: 43662
Number of 32-bit ASNs visible in the Routing Table: 35885
Prefixes from 32-bit ASNs in the Routing Table: 181653
Number of bogon 32-bit ASNs visible in the Routing Table: 65
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 515
Number of addresses announced to Internet: 3042124416
Equivalent to 181 /8s, 83 /16s and 34 /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: 311250
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 251971
Total APNIC prefixes after maximum aggregation: 72931
APNIC Deaggregation factor: 3.45
Prefixes being announced from the APNIC address blocks: 244695
Unique aggregates announced from the APNIC address blocks: 100135
APNIC Region origin ASes present in the Internet Routing Table: 13993
APNIC Prefixes per ASN: 17.49
APNIC Region origin ASes announcing only one prefix: 4233
APNIC Region transit ASes present in the Internet Routing Table: 1890
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: 9361
Number of APNIC addresses announced to Internet: 774459264
Equivalent to 46 /8s, 41 /16s and 79 /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: 274991
Total ARIN prefixes after maximum aggregation: 123700
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 279962
Unique aggregates announced from the ARIN address blocks: 132230
ARIN Region origin ASes present in the Internet Routing Table: 19096
ARIN Prefixes per ASN: 14.66
ARIN Region origin ASes announcing only one prefix: 6959
ARIN Region transit ASes present in the Internet Routing Table: 1977
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: 4844
Number of ARIN addresses announced to Internet: 1269649152
Equivalent to 75 /8s, 173 /16s and 79 /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: 262785
Total RIPE prefixes after maximum aggregation: 125730
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 257444
Unique aggregates announced from the RIPE address blocks: 161703
RIPE Region origin ASes present in the Internet Routing Table: 28554
RIPE Prefixes per ASN: 9.02
RIPE Region origin ASes announcing only one prefix: 12101
RIPE Region transit ASes present in the Internet Routing Table: 3958
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 37
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11600
Number of RIPE addresses announced to Internet: 713518592
Equivalent to 42 /8s, 135 /16s and 110 /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: 120961
Total LACNIC prefixes after maximum aggregation: 28872
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 119512
Unique aggregates announced from the LACNIC address blocks: 49516
LACNIC Region origin ASes present in the Internet Routing Table: 11049
LACNIC Prefixes per ASN: 10.82
LACNIC Region origin ASes announcing only one prefix: 2641
LACNIC Region transit ASes present in the Internet Routing Table: 2400
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: 8905
Number of LACNIC addresses announced to Internet: 177947136
Equivalent to 10 /8s, 155 /16s and 66 /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: 30512
Total AfriNIC prefixes after maximum aggregation: 6103
AfriNIC Deaggregation factor: 5.00
Prefixes being announced from the AfriNIC address blocks: 40167
Unique aggregates announced from the AfriNIC address blocks: 13192
AfriNIC Region origin ASes present in the Internet Routing Table: 1829
AfriNIC Prefixes per ASN: 21.96
AfriNIC Region origin ASes announcing only one prefix: 653
AfriNIC Region transit ASes present in the Internet Routing Table: 352
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1175
Number of AfriNIC addresses announced to Internet: 106250752
Equivalent to 6 /8s, 85 /16s and 66 /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 5674 784 681 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4920 4192 75 ERX-CERNET-BKB China Education and Rese
18403 4570 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 3488 497 252 BBIL-AP BHARTI Airtel Ltd., IN
45899 3290 1872 99 VNPT-AS-VN VNPT Corp, VN
24560 2711 861 373 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
4766 2301 11258 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 9617 11225 3379 AMAZON-02, US
11492 4581 304 652 CABLEONE, US
7155 4179 288 96 VIASAT-SP-BACKBONE, US
22773 3619 3062 299 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3596 1320 75 SHAW, CA
16625 3209 1399 2293 AKAMAI-AS, US
749 3183 54927 2435 DNIC-AS-00749, US
174 3013 6637 666 COGENT-174, US
367 2905 3692 1408 DNIC-ASBLK-00306-00371, US
396982 2756 3639 396 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 7608 1714 147 UNI2-AS, ES
39891 4658 280 55 ALJAWWALSTC-AS, SA
20940 3881 3396 129 AKAMAI-ASN1, NL
9009 3276 284 1591 M247, RO
12389 2969 2301 905 ROSTELECOM-AS, RU
8551 2652 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
34984 2348 363 593 TELLCOM-AS, TR
13188 1607 100 26 TRIOLAN, UA
8452 1497 1852 14 TE-AS TE-AS, EG
44477 1484 97 709 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 12397 3389 604 UNINET, MX
10620 3522 496 891 Telmex Colombia S.A., CO
13999 2514 341 645 Mega Cable, S.A. de C.V., MX
11830 2006 369 64 Instituto Costarricense de Electricidad
28573 1325 2319 238 Claro NXT Telecomunicacoes Ltda, BR
3816 1305 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6503 1213 340 498 Axtel, S.A.B. de C.V., MX
11664 1136 178 426 Techtel LMDS Comunicaciones Interactiva
6147 1087 369 22 Telefonica del Peru S.A.A., PE
22884 1076 116 380 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 1547 545 28 RAYA-AS, EG
24863 1530 389 16 LINKdotNET-AS, EG
36992 1361 1519 281 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
29571 1135 73 60 ORANGE-COTE-IVOIRE, CI
36935 935 521 42 Vodafone-, EG
6713 551 1861 34 IAM-AS, MA
36914 540 82 3 KENET-AS, KE
15399 521 55 51 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 12397 3389 604 UNINET, MX
9808 9825 8739 55 CHINAMOBILE-CN China Mobile Communicati
16509 9617 11225 3379 AMAZON-02, US
12479 7608 1714 147 UNI2-AS, ES
7545 5674 784 681 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
11492 4581 304 652 CABLEONE, US
18403 4570 347 25 FPT-AS-AP FPT Telecom Company, VN
7155 4179 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 7608 7461 UNI2-AS, ES
16509 9617 6238 AMAZON-02, US
7545 5674 4993 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 4570 4545 FPT-AS-AP FPT Telecom Company, VN
7155 4179 4083 VIASAT-SP-BACKBONE, US
11492 4581 3929 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
198821333 UNALLOCATED 5.8.179.0/24 198821 ALKOR-AS, RU
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
23.164.72.0/24 Origin: 49195 SSAC, CN
23.164.72.0/24 Transit: 20473 AS-CHOOPA, 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
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 /14:1191 /15:2063 /16:13384 /17:8219 /18:13707
/19:24998 /20:44401 /21:51889 /22:110765 /23:99465 /24:570433
/25:737 /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 6724 7608 UNI2-AS, ES
8151 6393 12397 UNINET, MX
11492 3495 4581 CABLEONE, US
6327 3393 3596 SHAW, CA
39891 3340 4658 ALJAWWALSTC-AS, SA
7155 3123 4179 VIASAT-SP-BACKBONE, US
22773 2655 3619 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2144 2487 MEDIACOM-ENTERPRISE-BUSINESS, US
8551 2128 2652 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
10620 2128 3522 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2320 2:1543 3:296 4:6 5:4481 6:165
7:6 8:1523 9:1 11:172 12:1466 13:384
14:2384 15:311 16:204 17:363 18:731 20:356
21:4 22:188 23:6600 24:2707 25:2 27:2560
29:19 31:2543 32:48 34:38 35:124 36:2163
37:4478 38:6909 39:900 40:141 41:4039 42:2209
43:2330 44:330 45:16894 46:4352 47:287 49:1921
50:1903 51:571 52:1584 54:336 55:879 56:5
57:148 58:2033 59:1207 60:1018 61:2605 62:2679
63:1923 64:5529 65:2326 66:4938 67:3055 68:1333
69:4100 70:1199 71:578 72:2918 74:2655 75:1553
76:632 77:2391 78:1846 79:2467 80:2131 81:1898
82:1520 83:1255 84:1642 85:3095 86:781 87:2220
88:1223 89:3987 90:676 91:7916 92:2182 93:2634
94:3641 95:4065 96:1287 97:313 98:1032 99:744
100:90 101:1168 102:3087 103:32551 104:4752 105:598
106:928 107:2769 108:1132 109:4026 110:2150 111:3214
112:2069 113:1806 114:1765 115:1968 116:1977 117:2639
118:2736 119:1942 120:1812 121:1325 122:2661 123:2222
124:1604 125:2854 126:28 128:1518 129:925 130:1091
131:1834 132:819 133:412 134:1702 135:311 136:923
137:1041 138:2795 139:1552 140:1368 141:1350 142:1563
143:1478 144:1011 145:345 146:2012 147:1703 148:2505
149:2482 150:1025 151:1325 152:1980 153:528 154:5694
155:1367 156:2101 157:1519 158:1095 159:2215 160:2595
161:1633 162:3594 163:1701 164:1626 165:2110 166:1071
167:1713 168:3836 169:796 170:4720 171:1017 172:3829
173:3020 174:902 175:1217 176:3649 177:4541 178:3536
179:2238 180:2358 181:3685 182:3467 183:1985 184:2270
185:20622 186:4851 187:4433 188:4009 189:4087 190:9318
191:1428 192:11007 193:9004 194:7404 195:5265 196:3164
197:2669 198:6018 199:7168 200:8079 201:6318 202:10482
203:10153 204:4555 205:3744 206:4461 207:3523 208:4143
209:4992 210:4639 211:2601 212:4293 213:3402 214:1121
215:44 216:6810 217:2764 218:1364 219:597 220:2053
221:1021 222:874 223:2231
End of report
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