[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Jul 19 18:02:21 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 20 Jul, 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: 947645
Prefixes after maximum aggregation (per Origin AS): 361758
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 462161
Total ASes present in the Internet Routing Table: 74671
Prefixes per ASN: 12.69
Origin-only ASes present in the Internet Routing Table: 63901
Origin ASes announcing only one prefix: 26415
Transit ASes present in the Internet Routing Table: 10770
Transit-only ASes present in the Internet Routing Table: 527
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 84
Max AS path prepend of ASN (152107) 80
Prefixes from unregistered ASNs in the Routing Table: 987
Number of instances of unregistered ASNs: 992
Number of 32-bit ASNs allocated by the RIRs: 45017
Number of 32-bit ASNs visible in the Routing Table: 35576
Prefixes from 32-bit ASNs in the Routing Table: 185719
Number of bogon 32-bit ASNs visible in the Routing Table: 24
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 546
Number of addresses announced to Internet: 3025094016
Equivalent to 180 /8s, 79 /16s and 69 /24s
Percentage of available address space announced: 81.7
Percentage of allocated address space announced: 81.7
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: 312013
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 248749
Total APNIC prefixes after maximum aggregation: 72435
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 240589
Unique aggregates announced from the APNIC address blocks: 98095
APNIC Region origin ASes present in the Internet Routing Table: 12955
APNIC Prefixes per ASN: 18.57
APNIC Region origin ASes announcing only one prefix: 4068
APNIC Region transit ASes present in the Internet Routing Table: 1792
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 84
Number of APNIC region 32-bit ASNs visible in the Routing Table: 8490
Number of APNIC addresses announced to Internet: 760171648
Equivalent to 45 /8s, 79 /16s and 76 /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: 278174
Total ARIN prefixes after maximum aggregation: 125480
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 282702
Unique aggregates announced from the ARIN address blocks: 134789
ARIN Region origin ASes present in the Internet Routing Table: 19125
ARIN Prefixes per ASN: 14.78
ARIN Region origin ASes announcing only one prefix: 6935
ARIN Region transit ASes present in the Internet Routing Table: 1989
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4940
Number of ARIN addresses announced to Internet: 1267403776
Equivalent to 75 /8s, 139 /16s and 12 /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, 393216-402332
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: 266209
Total RIPE prefixes after maximum aggregation: 127695
RIPE Deaggregation factor: 2.08
Prefixes being announced from the RIPE address blocks: 261481
Unique aggregates announced from the RIPE address blocks: 165384
RIPE Region origin ASes present in the Internet Routing Table: 28683
RIPE Prefixes per ASN: 9.12
RIPE Region origin ASes announcing only one prefix: 12118
RIPE Region transit ASes present in the Internet Routing Table: 3983
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 39
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11907
Number of RIPE addresses announced to Internet: 714908928
Equivalent to 42 /8s, 156 /16s and 165 /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: 122067
Total LACNIC prefixes after maximum aggregation: 29247
LACNIC Deaggregation factor: 4.17
Prefixes being announced from the LACNIC address blocks: 120032
Unique aggregates announced from the LACNIC address blocks: 50057
LACNIC Region origin ASes present in the Internet Routing Table: 11134
LACNIC Prefixes per ASN: 10.78
LACNIC Region origin ASes announcing only one prefix: 2628
LACNIC Region transit ASes present in the Internet Routing Table: 2454
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 60
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9022
Number of LACNIC addresses announced to Internet: 177140736
Equivalent to 10 /8s, 142 /16s and 244 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + 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: 31459
Total AfriNIC prefixes after maximum aggregation: 6246
AfriNIC Deaggregation factor: 5.04
Prefixes being announced from the AfriNIC address blocks: 42295
Unique aggregates announced from the AfriNIC address blocks: 13382
AfriNIC Region origin ASes present in the Internet Routing Table: 1855
AfriNIC Prefixes per ASN: 22.80
AfriNIC Region origin ASes announcing only one prefix: 666
AfriNIC Region transit ASes present in the Internet Routing Table: 361
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1217
Number of AfriNIC addresses announced to Internet: 105168128
Equivalent to 6 /8s, 68 /16s and 189 /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 9852 8747 79 CHINAMOBILE-CN China Mobile Communication
7545 5659 776 670 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4934 4192 74 ERX-CERNET-BKB China Education and Resear
18403 4176 347 23 FPT-AS-AP FPT Telecom Company, VN
7552 3965 1331 21 VIETEL-AS-AP Viettel Group, VN
9498 3786 511 264 BBIL-AP BHARTI Airtel Ltd., IN
7713 3627 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3240 1841 105 VNPT-AS-VN VNPT Corp, VN
24560 2822 859 418 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2253 11519 575 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 10164 11543 3640 AMAZON-02, US
11492 4630 307 558 CABLEONE, US
7155 4166 287 88 VIASAT-SP-BACKBONE, US
174 3753 8790 881 COGENT-174, US
6327 3594 1320 78 SHAW, CA
22773 3422 3035 188 ASN-CXA-ALL-CCI-22773-RDC, US
749 3252 54899 2504 DNIC-AS-00749, US
16625 3136 1320 2197 AKAMAI-AS, US
7018 2944 23690 1846 ATT-INTERNET4, US
396982 2760 3594 409 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 7693 1708 145 UNI2-AS, ES
39891 4521 271 59 ALJAWWALSTC-AS, SA
20940 3837 3396 134 AKAMAI-ASN1, NL
9009 3586 306 1829 M247, RO
12389 2942 2302 887 ROSTELECOM-AS, RU
34984 2346 361 578 TELLCOM-AS, TR
8551 1772 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet
212238 1715 123 1254 CDNEXT, GB
13188 1607 100 26 TRIOLAN, UA
8452 1574 1852 14 TE-AS TE-AS, EG
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 11856 3305 501 UNINET, MX
10620 3521 492 937 Telmex Colombia S.A., CO
13999 2544 354 679 Mega Cable, S.A. de C.V., MX
11830 2004 369 64 Instituto Costarricense de Electricidad y
28573 1343 2311 258 Claro NXT Telecomunicacoes Ltda, BR
3816 1326 783 193 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO
6503 1127 314 478 Axtel, S.A.B. de C.V., MX
26615 1084 2503 53 TIM SA, BR
6147 1080 369 22 Telefonica del Peru S.A.A., PE
22884 1066 97 371 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
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 1612 389 16 LINKdotNET-AS, EG
24835 1570 593 29 RAYA-AS, EG
36992 1381 1520 280 ETISALAT-MISR, EG
29571 1269 80 74 ORANGE-COTE-IVOIRE, CI
36903 1249 554 96 MT-MPLS, MA
36935 938 521 43 Vodafone-, EG
6713 556 1861 35 IAM-AS, MA
15399 514 56 58 WANANCHI-, KE
36914 506 82 3 KENET-AS, KE
37342 431 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 11856 3305 501 UNINET, MX
16509 10164 11543 3640 AMAZON-02, US
9808 9852 8747 79 CHINAMOBILE-CN China Mobile Communication
12479 7693 1708 145 UNI2-AS, ES
7545 5659 776 670 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4934 4192 74 ERX-CERNET-BKB China Education and Resear
11492 4630 307 558 CABLEONE, US
39891 4521 271 59 ALJAWWALSTC-AS, SA
18403 4176 347 23 FPT-AS-AP FPT Telecom Company, VN
7155 4166 287 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 9852 9773 CHINAMOBILE-CN China Mobile Communications Grou
12479 7693 7548 UNI2-AS, ES
16509 10164 6524 AMAZON-02, US
7545 5659 4989 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4934 4860 ERX-CERNET-BKB China Education and Research Net
39891 4521 4462 ALJAWWALSTC-AS, SA
18403 4176 4153 FPT-AS-AP FPT Telecom Company, VN
7155 4166 4078 VIASAT-SP-BACKBONE, US
11492 4630 4072 CABLEONE, US
7552 3965 3944 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
33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US
12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D
40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US
46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US
53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US
393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US
396894 UNALLOCATED 8.28.201.0/24 46887 CROWNCASTLE-AS46887, US
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US
54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US
46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, 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
14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US
14.192.20.0/22 Transit: 6939 HURRICANE, US
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
23.152.48.0/24 Origin: 46167 RESERVED, ZZ
23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US
23.170.224.0/24 Origin: 30168 RESERVED, ZZ
23.170.224.0/24 Transit: 397095 SETSONLLC, 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 /9:16 /10:37 /11:92 /12:294
/13:572 /14:1164 /15:2057 /16:13238 /17:8263 /18:13741
/19:24667 /20:44317 /21:51898 /22:111322 /23:99471 /24:575783
/25:697 /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 6785 7693 UNI2-AS, ES
8151 5926 11856 UNINET, MX
11492 3539 4630 CABLEONE, US
6327 3391 3594 SHAW, CA
39891 3361 4521 ALJAWWALSTC-AS, SA
7155 3111 4166 VIASAT-SP-BACKBONE, US
22773 2559 3422 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2167 2507 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2150 3521 Telmex Colombia S.A., CO
16509 2131 10164 AMAZON-02, US
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2316 2:1546 3:377 4:6 5:4394 6:149
7:6 8:1519 9:1 11:172 12:1438 13:363
14:2360 15:322 16:219 17:365 18:785 20:384
21:4 22:188 23:6911 24:2691 25:2 27:2428
29:19 31:2598 32:47 34:63 35:134 36:2305
37:4431 38:8108 39:911 40:146 41:4010 42:1991
43:2316 44:329 45:17303 46:4555 47:300 49:1952
50:1863 51:580 52:1572 54:315 55:923 56:8
57:215 58:2201 59:1213 60:1050 61:2622 62:2758
63:1882 64:5463 65:2285 66:4635 67:3007 68:1310
69:4052 70:1160 71:558 72:2779 74:2613 75:1552
76:626 77:2490 78:1871 79:1778 80:2198 81:2017
82:1651 83:1364 84:1703 85:3191 86:932 87:2302
88:1240 89:4192 90:693 91:8174 92:2350 93:2723
94:3746 95:4206 96:1281 97:317 98:1024 99:738
100:73 101:1160 102:3324 103:28996 104:4800 105:695
106:1005 107:2498 108:1156 109:4049 110:2123 111:3203
112:2054 113:1784 114:1639 115:1889 116:1898 117:2628
118:2596 119:1860 120:1774 121:1356 122:2679 123:2191
124:1609 125:2864 126:32 128:1419 129:935 130:1186
131:1881 132:801 133:417 134:1694 135:319 136:1121
137:1071 138:2866 139:1521 140:1420 141:1374 142:1670
143:1624 144:1005 145:361 146:2101 147:2012 148:2550
149:2772 150:1026 151:1333 152:2224 153:522 154:6855
155:1426 156:2193 157:1821 158:1178 159:2437 160:2809
161:1701 162:3525 163:1684 164:1677 165:2132 166:1254
167:1821 168:4063 169:806 170:4938 171:1048 172:3880
173:3064 174:899 175:1185 176:3456 177:4624 178:3608
179:2228 180:2304 181:3798 182:3200 183:1981 184:2257
185:20904 186:4986 187:4427 188:4055 189:4182 190:9446
191:1521 192:11045 193:9182 194:7491 195:5306 196:3211
197:2620 198:6051 199:8038 200:8094 201:6213 202:10203
203:10062 204:4600 205:3697 206:4518 207:3605 208:4166
209:5038 210:4637 211:2623 212:4368 213:3605 214:1063
215:49 216:6728 217:3061 218:1397 219:597 220:1992
221:1016 222:857 223:2230
End of report
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