[SANOG] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Jun 9 18:02:08 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 10 Jun, 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: 924996
Prefixes after maximum aggregation (per Origin AS): 350668
Deaggregation factor: 2.64
Unique aggregates announced (without unneeded subnets): 450404
Total ASes present in the Internet Routing Table: 74496
Prefixes per ASN: 12.42
Origin-only ASes present in the Internet Routing Table: 63949
Origin ASes announcing only one prefix: 26294
Transit ASes present in the Internet Routing Table: 10547
Transit-only ASes present in the Internet Routing Table: 440
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 63
Max AS path prepend of ASN ( 59588) 54
Prefixes from unregistered ASNs in the Routing Table: 1007
Number of instances of unregistered ASNs: 1014
Number of 32-bit ASNs allocated by the RIRs: 42059
Number of 32-bit ASNs visible in the Routing Table: 34676
Prefixes from 32-bit ASNs in the Routing Table: 172519
Number of bogon 32-bit ASNs visible in the Routing Table: 27
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 573
Number of addresses announced to Internet: 3056292352
Equivalent to 182 /8s, 43 /16s and 82 /24s
Percentage of available address space announced: 82.6
Percentage of allocated address space announced: 82.6
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: 308448
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 245983
Total APNIC prefixes after maximum aggregation: 69691
APNIC Deaggregation factor: 3.53
Prefixes being announced from the APNIC address blocks: 239946
Unique aggregates announced from the APNIC address blocks: 98519
APNIC Region origin ASes present in the Internet Routing Table: 13460
APNIC Prefixes per ASN: 17.83
APNIC Region origin ASes announcing only one prefix: 3977
APNIC Region transit ASes present in the Internet Routing Table: 1796
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: 8771
Number of APNIC addresses announced to Internet: 773573248
Equivalent to 46 /8s, 27 /16s and 202 /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: 270503
Total ARIN prefixes after maximum aggregation: 123188
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 273282
Unique aggregates announced from the ARIN address blocks: 130620
ARIN Region origin ASes present in the Internet Routing Table: 19135
ARIN Prefixes per ASN: 14.28
ARIN Region origin ASes announcing only one prefix: 6999
ARIN Region transit ASes present in the Internet Routing Table: 1954
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: 4814
Number of ARIN addresses announced to Internet: 1280649984
Equivalent to 76 /8s, 85 /16s and 43 /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: 259723
Total RIPE prefixes after maximum aggregation: 122748
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 255754
Unique aggregates announced from the RIPE address blocks: 158956
RIPE Region origin ASes present in the Internet Routing Table: 28324
RIPE Prefixes per ASN: 9.03
RIPE Region origin ASes announcing only one prefix: 12048
RIPE Region transit ASes present in the Internet Routing Table: 3966
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 63
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11199
Number of RIPE addresses announced to Internet: 717503104
Equivalent to 42 /8s, 196 /16s and 58 /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: 118382
Total LACNIC prefixes after maximum aggregation: 28486
LACNIC Deaggregation factor: 4.16
Prefixes being announced from the LACNIC address blocks: 117541
Unique aggregates announced from the LACNIC address blocks: 49454
LACNIC Region origin ASes present in the Internet Routing Table: 11006
LACNIC Prefixes per ASN: 10.68
LACNIC Region origin ASes announcing only one prefix: 2657
LACNIC Region transit ASes present in the Internet Routing Table: 2297
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 55
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8794
Number of LACNIC addresses announced to Internet: 176989184
Equivalent to 10 /8s, 140 /16s and 164 /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: 29398
Total AfriNIC prefixes after maximum aggregation: 5836
AfriNIC Deaggregation factor: 5.04
Prefixes being announced from the AfriNIC address blocks: 37900
Unique aggregates announced from the AfriNIC address blocks: 12386
AfriNIC Region origin ASes present in the Internet Routing Table: 1751
AfriNIC Prefixes per ASN: 21.64
AfriNIC Region origin ASes announcing only one prefix: 613
AfriNIC Region transit ASes present in the Internet Routing Table: 330
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 40
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1098
Number of AfriNIC addresses announced to Internet: 107184384
Equivalent to 6 /8s, 99 /16s and 129 /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 9516 8706 40 CHINAMOBILE-CN China Mobile Communicati
7545 5726 784 692 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4858 4192 75 ERX-CERNET-BKB China Education and Rese
18403 4182 347 25 FPT-AS-AP FPT Telecom Company, VN
7713 3568 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3379 1856 96 VNPT-AS-VN VNPT Corp, VN
7552 3373 1331 21 VIETEL-AS-AP Viettel Group, VN
9498 3022 498 252 BBIL-AP BHARTI Airtel Ltd., IN
4766 2537 11253 584 KIXS-AS-KR Korea Telecom, KR
24560 2418 836 444 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 8482 10832 3088 AMAZON-02, US
11492 4518 299 620 CABLEONE, US
7155 4101 284 75 VIASAT-SP-BACKBONE, US
22773 3571 3052 270 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3524 1319 66 SHAW, CA
749 3127 54969 2379 DNIC-AS-00749, US
16625 3117 1554 2353 AKAMAI-AS, US
396982 2662 3593 376 GOOGLE-CLOUD-PLATFORM, US
30036 2504 360 419 MEDIACOM-ENTERPRISE-BUSINESS, US
7018 2451 24003 1540 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 7298 1706 140 UNI2-AS, ES
39891 4897 290 61 ALJAWWALSTC-AS, SA
20940 4088 3398 161 AKAMAI-ASN1, NL
8551 3452 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2953 2291 911 ROSTELECOM-AS, RU
9009 2661 247 1387 M247, RO
34984 2275 360 605 TELLCOM-AS, TR
6849 1976 307 17 UKRTELNET, UA
58224 1828 945 534 TCI, IR
61317 1686 113 1310 ASDETUK www.heficed.com, US
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 11397 3362 601 Uninet S.A. de C.V., MX
10620 3529 507 838 Telmex Colombia S.A., CO
13999 2336 351 625 Mega Cable, S.A. de C.V., MX
11830 2268 369 64 Instituto Costarricense de Electricidad
28573 1320 2324 238 Claro NXT Telecomunicacoes Ltda, BR
6503 1302 343 511 Axtel, S.A.B. de C.V., MX
3816 1299 770 174 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1133 370 22 Telefonica del Peru S.A.A., PE
11664 1101 180 441 Techtel LMDS Comunicaciones Interactiva
26615 1025 2498 45 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 1586 393 19 LINKdotNET-AS, EG
24835 1536 533 27 RAYA-AS, EG
36992 1304 1517 280 ETISALAT-MISR, EG
36903 1242 550 99 MT-MPLS, MA
29571 1036 67 47 ORANGE-COTE-IVOIRE, CI
36935 917 520 42 Vodafone-, EG
6713 551 1861 34 IAM-AS, MA
15399 532 54 49 WANANCHI-, KE
24757 492 73 5 EthioNet-AS, ET
37342 480 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 11397 3362 601 Uninet S.A. de C.V., MX
9808 9516 8706 40 CHINAMOBILE-CN China Mobile Communicati
16509 8482 10832 3088 AMAZON-02, US
12479 7298 1706 140 UNI2-AS, ES
7545 5726 784 692 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4897 290 61 ALJAWWALSTC-AS, SA
4538 4858 4192 75 ERX-CERNET-BKB China Education and Rese
11492 4518 299 620 CABLEONE, US
18403 4182 347 25 FPT-AS-AP FPT Telecom Company, VN
7155 4101 284 75 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 9516 9476 CHINAMOBILE-CN China Mobile Communications Grou
12479 7298 7158 UNI2-AS, ES
16509 8482 5394 AMAZON-02, US
7545 5726 5034 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4897 4836 ALJAWWALSTC-AS, SA
4538 4858 4783 ERX-CERNET-BKB China Education and Research Net
18403 4182 4157 FPT-AS-AP FPT Telecom Company, VN
7155 4101 4026 VIASAT-SP-BACKBONE, US
20940 4088 3927 AKAMAI-ASN1, NL
11492 4518 3898 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
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
18798 UNALLOCATED 8.40.106.0/24 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
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
41.57.124.0/23 Origin: 37442 UNASSIGNED
41.57.124.0/23 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 /12:301
/13:582 /14:1199 /15:2060 /16:13472 /17:8236 /18:13854
/19:25156 /20:44023 /21:51442 /22:110048 /23:98473 /24:555228
/25:750 /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 6387 7298 UNI2-AS, ES
8151 5353 11397 Uninet S.A. de C.V., MX
39891 3632 4897 ALJAWWALSTC-AS, SA
11492 3429 4518 CABLEONE, US
6327 3334 3524 SHAW, CA
7155 3086 4101 VIASAT-SP-BACKBONE, US
8551 2925 3452 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2637 3571 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2160 2504 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2085 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)
----------------------------------------------
1:2177 2:1276 3:197 4:1 5:4537 6:132
7:6 8:1545 9:1 11:172 12:1532 13:387
14:2312 15:304 16:193 17:369 18:455 20:264
21:4 22:188 23:6306 24:2603 25:6 27:2475
29:19 31:2510 32:81 34:22 35:112 36:1970
37:4675 38:4794 39:846 40:151 41:3937 42:2001
43:2336 44:306 45:16550 46:4315 47:376 49:1768
50:1865 51:585 52:1593 54:390 55:868 56:8
57:117 58:1888 59:1103 60:987 61:2521 62:2678
63:1906 64:5671 65:2308 66:5025 67:3054 68:1346
69:4138 70:1206 71:672 72:2989 74:2626 75:1558
76:612 77:2443 78:1824 79:2967 80:2118 81:1792
82:1492 83:1264 84:1526 85:3008 86:759 87:2013
88:1176 89:3731 90:615 91:7763 92:2064 93:2621
94:3619 95:4058 96:1317 97:336 98:1130 99:744
100:88 101:1077 102:2737 103:31507 104:4610 105:503
106:961 107:2584 108:1055 109:4201 110:2103 111:3165
112:2039 113:1799 114:1665 115:2001 116:1912 117:2518
118:2619 119:2000 120:1825 121:1131 122:2593 123:2168
124:1616 125:2506 128:1468 129:1062 130:1008 131:1977
132:812 133:420 134:1831 135:307 136:875 137:949
138:2564 139:1562 140:1263 141:1429 142:1459 143:1519
144:1115 145:345 146:1952 147:1593 148:2433 149:2259
150:882 151:1151 152:1818 153:490 154:4514 155:1424
156:1800 157:1315 158:1086 159:2225 160:2549 161:1554
162:3516 163:1536 164:1630 165:1814 166:1105 167:1721
168:3883 169:951 170:4591 171:901 172:3580 173:2972
174:1073 175:1178 176:3711 177:4582 178:3604 179:2173
180:2516 181:3485 182:3432 183:2080 184:2351 185:20329
186:4780 187:3957 188:4128 189:3666 190:9206 191:1445
192:10927 193:8912 194:7325 195:5173 196:3126 197:2384
198:5971 199:6108 200:8011 201:5927 202:10612 203:10296
204:4567 205:3715 206:4276 207:3459 208:4114 209:4898
210:4452 211:2524 212:4219 213:3625 214:1088 215:59
216:6661 217:2730 218:1297 219:580 220:1995 221:965
222:857 223:2181
End of report
More information about the sanog
mailing list