[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Jul 14 18:02:14 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
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 15 Jul, 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: 926979
Prefixes after maximum aggregation (per Origin AS): 351217
Deaggregation factor: 2.64
Unique aggregates announced (without unneeded subnets): 451896
Total ASes present in the Internet Routing Table: 74578
Prefixes per ASN: 12.43
Origin-only ASes present in the Internet Routing Table: 64040
Origin ASes announcing only one prefix: 26340
Transit ASes present in the Internet Routing Table: 10538
Transit-only ASes present in the Internet Routing Table: 439
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 68
Max AS path prepend of ASN (263725) 64
Prefixes from unregistered ASNs in the Routing Table: 1048
Number of instances of unregistered ASNs: 1052
Number of 32-bit ASNs allocated by the RIRs: 42267
Number of 32-bit ASNs visible in the Routing Table: 34804
Prefixes from 32-bit ASNs in the Routing Table: 173237
Number of bogon 32-bit ASNs visible in the Routing Table: 29
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 564
Number of addresses announced to Internet: 3054440448
Equivalent to 182 /8s, 15 /16s and 16 /24s
Percentage of available address space announced: 82.5
Percentage of allocated address space announced: 82.5
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: 309081
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 245848
Total APNIC prefixes after maximum aggregation: 69865
APNIC Deaggregation factor: 3.52
Prefixes being announced from the APNIC address blocks: 239678
Unique aggregates announced from the APNIC address blocks: 98658
APNIC Region origin ASes present in the Internet Routing Table: 13507
APNIC Prefixes per ASN: 17.74
APNIC Region origin ASes announcing only one prefix: 3997
APNIC Region transit ASes present in the Internet Routing Table: 1797
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 8830
Number of APNIC addresses announced to Internet: 773696640
Equivalent to 46 /8s, 29 /16s and 172 /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: 271645
Total ARIN prefixes after maximum aggregation: 123536
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 273939
Unique aggregates announced from the ARIN address blocks: 130821
ARIN Region origin ASes present in the Internet Routing Table: 19099
ARIN Prefixes per ASN: 14.34
ARIN Region origin ASes announcing only one prefix: 6971
ARIN Region transit ASes present in the Internet Routing Table: 1952
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4813
Number of ARIN addresses announced to Internet: 1277673984
Equivalent to 76 /8s, 39 /16s and 194 /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: 259956
Total RIPE prefixes after maximum aggregation: 122598
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 256601
Unique aggregates announced from the RIPE address blocks: 159771
RIPE Region origin ASes present in the Internet Routing Table: 28356
RIPE Prefixes per ASN: 9.05
RIPE Region origin ASes announcing only one prefix: 12063
RIPE Region transit ASes present in the Internet Routing Table: 3928
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11233
Number of RIPE addresses announced to Internet: 716735872
Equivalent to 42 /8s, 184 /16s and 133 /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
196608-213403
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: 118894
Total LACNIC prefixes after maximum aggregation: 28611
LACNIC Deaggregation factor: 4.16
Prefixes being announced from the LACNIC address blocks: 118013
Unique aggregates announced from the LACNIC address blocks: 49519
LACNIC Region origin ASes present in the Internet Routing Table: 11026
LACNIC Prefixes per ASN: 10.70
LACNIC Region origin ASes announcing only one prefix: 2692
LACNIC Region transit ASes present in the Internet Routing Table: 2326
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 68
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8815
Number of LACNIC addresses announced to Internet: 178450432
Equivalent to 10 /8s, 162 /16s and 240 /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: 29588
Total AfriNIC prefixes after maximum aggregation: 5891
AfriNIC Deaggregation factor: 5.02
Prefixes being announced from the AfriNIC address blocks: 38184
Unique aggregates announced from the AfriNIC address blocks: 12662
AfriNIC Region origin ASes present in the Internet Routing Table: 1766
AfriNIC Prefixes per ASN: 21.62
AfriNIC Region origin ASes announcing only one prefix: 617
AfriNIC Region transit ASes present in the Internet Routing Table: 329
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 30
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1113
Number of AfriNIC addresses announced to Internet: 107549184
Equivalent to 6 /8s, 105 /16s and 18 /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 9530 8706 40 CHINAMOBILE-CN China Mobile Communicati
7545 5681 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4854 4192 75 ERX-CERNET-BKB China Education and Rese
18403 4237 347 25 FPT-AS-AP FPT Telecom Company, VN
7713 3536 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3382 1872 93 VNPT-AS-VN VNPT Corp, VN
7552 3344 1331 21 VIETEL-AS-AP Viettel Group, VN
9498 3047 497 247 BBIL-AP BHARTI Airtel Ltd., IN
4766 2538 11270 591 KIXS-AS-KR Korea Telecom, KR
24560 2444 834 445 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
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 8736 10892 3083 AMAZON-02, US
11492 4515 299 629 CABLEONE, US
7155 4172 288 88 VIASAT-SP-BACKBONE, US
22773 3544 3054 269 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3525 1319 66 SHAW, CA
16625 3153 1565 2366 AKAMAI-AS, US
749 3142 54962 2394 DNIC-AS-00749, US
367 2750 3750 1318 DNIC-ASBLK-00306-00371, US
396982 2676 3594 383 GOOGLE-CLOUD-PLATFORM, US
30036 2503 361 396 MEDIACOM-ENTERPRISE-BUSINESS, 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 7298 1706 141 UNI2-AS, ES
39891 4897 290 61 ALJAWWALSTC-AS, SA
20940 4079 3398 161 AKAMAI-ASN1, NL
8551 3467 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2971 2294 913 ROSTELECOM-AS, RU
9009 2649 245 1376 M247, RO
34984 2307 361 609 TELLCOM-AS, TR
58224 1824 946 535 TCI, IR
6849 1800 307 17 UKRTELNET, UA
13188 1606 100 27 TRIOLAN, UA
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 11574 3376 592 UNINET, MX
10620 3529 507 840 Telmex Colombia S.A., CO
13999 2403 360 632 Mega Cable, S.A. de C.V., MX
11830 2225 369 64 Instituto Costarricense de Electricidad
28573 1316 2324 239 Claro NXT Telecomunicacoes Ltda, BR
3816 1306 774 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6503 1303 344 511 Axtel, S.A.B. de C.V., MX
6147 1130 370 22 Telefonica del Peru S.A.A., PE
11664 1101 177 440 Techtel LMDS Comunicaciones Interactiva
26615 1037 2500 47 TIM SA, BR
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 1627 393 19 LINKdotNET-AS, EG
24835 1548 533 27 RAYA-AS, EG
36992 1352 1518 282 ETISALAT-MISR, EG
36903 1242 550 99 MT-MPLS, MA
29571 1052 67 45 ORANGE-COTE-IVOIRE, CI
36935 923 521 44 Vodafone-, EG
6713 551 1861 34 IAM-AS, MA
15399 534 54 50 WANANCHI-, KE
24757 485 73 5 EthioNet-AS, ET
37342 466 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 11574 3376 592 UNINET, MX
9808 9530 8706 40 CHINAMOBILE-CN China Mobile Communicati
16509 8736 10892 3083 AMAZON-02, US
12479 7298 1706 141 UNI2-AS, ES
7545 5681 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4897 290 61 ALJAWWALSTC-AS, SA
4538 4854 4192 75 ERX-CERNET-BKB China Education and Rese
11492 4515 299 629 CABLEONE, US
18403 4237 347 25 FPT-AS-AP FPT Telecom Company, VN
7155 4172 288 88 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 9530 9490 CHINAMOBILE-CN China Mobile Communications Grou
12479 7298 7157 UNI2-AS, ES
16509 8736 5653 AMAZON-02, US
7545 5681 4990 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4897 4836 ALJAWWALSTC-AS, SA
4538 4854 4779 ERX-CERNET-BKB China Education and Research Net
18403 4237 4212 FPT-AS-AP FPT Telecom Company, VN
7155 4172 4084 VIASAT-SP-BACKBONE, US
20940 4079 3918 AKAMAI-ASN1, NL
11492 4515 3886 CABLEONE, US
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 11168 SCC, US
12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M
53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US
19695 UNALLOCATED 8.20.161.0/24 7015 COMCAST-7015, 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 UNASSIGNED
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
23.176.160.0/24 Origin: 397327 UNASSIGNED
23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US
27.100.7.0/24 Origin: 56096 UNASSIGNED
27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet
41.57.124.0/22 Origin: 37442 UNASSIGNED
41.57.124.0/22 Transit: 37204 TELONE, ZW
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 /10:39 /11:103 /12:296
/13:577 /14:1200 /15:2073 /16:13473 /17:8273 /18:13877
/19:25230 /20:44407 /21:51589 /22:110169 /23:98735 /24:556159
/25:749 /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 6386 7298 UNI2-AS, ES
8151 5503 11574 UNINET, MX
39891 3632 4897 ALJAWWALSTC-AS, SA
11492 3426 4515 CABLEONE, US
6327 3335 3525 SHAW, CA
7155 3120 4172 VIASAT-SP-BACKBONE, US
8551 2936 3467 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2609 3544 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2158 2503 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2087 3529 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2208 2:1350 3:227 4:5 5:4496 6:130
7:6 8:1552 9:1 11:172 12:1520 13:382
14:2321 15:299 16:193 17:373 18:524 20:268
21:4 22:188 23:6373 24:2610 25:4 27:2473
29:19 31:2529 32:80 34:26 35:114 36:1966
37:4690 38:5006 39:829 40:152 41:3905 42:2020
43:2326 44:304 45:16637 46:4364 47:377 49:1773
50:1858 51:586 52:1595 54:397 55:976 56:8
57:120 58:1887 59:1149 60:984 61:2494 62:2664
63:1909 64:5604 65:2321 66:4989 67:3061 68:1334
69:4106 70:1210 71:687 72:2987 74:2639 75:1568
76:617 77:2445 78:1825 79:2979 80:2101 81:1796
82:1501 83:1264 84:1544 85:3002 86:765 87:2005
88:1182 89:3834 90:614 91:7786 92:2041 93:2602
94:3571 95:4048 96:1311 97:337 98:1153 99:735
100:95 101:1082 102:2806 103:31670 104:4575 105:504
106:886 107:2556 108:1077 109:4244 110:2111 111:3184
112:2061 113:1813 114:1644 115:1975 116:1916 117:2530
118:2618 119:1989 120:1820 121:1136 122:2570 123:2181
124:1617 125:2495 128:1458 129:1059 130:1017 131:1991
132:812 133:422 134:1800 135:307 136:886 137:954
138:2540 139:1591 140:1258 141:1299 142:1476 143:1502
144:988 145:341 146:1964 147:1587 148:2430 149:2139
150:883 151:1166 152:1834 153:496 154:4649 155:1358
156:1833 157:1316 158:1088 159:2267 160:2582 161:1554
162:3508 163:1569 164:1623 165:1866 166:1066 167:1714
168:3878 169:950 170:4614 171:890 172:3645 173:2966
174:1090 175:1192 176:3744 177:4492 178:3607 179:2173
180:2446 181:3493 182:3438 183:1993 184:2324 185:20482
186:4745 187:4088 188:4122 189:3710 190:9253 191:1391
192:10933 193:8925 194:7327 195:5140 196:3112 197:2379
198:5999 199:6105 200:8083 201:5948 202:10600 203:10127
204:4563 205:3701 206:4339 207:3458 208:4144 209:4933
210:4474 211:2527 212:4253 213:3590 214:1091 215:59
216:6680 217:2737 218:1297 219:584 220:1985 221:965
222:855 223:2185
End of report
More information about the afnog
mailing list