[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Sep 20 18:02:42 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 21 Sep, 2024
IPv4 BGP Table (Global) as seen at Japan.
Report Website: https://thyme.apnic.net
Detailed Analysis: https://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 961244
Prefixes after maximum aggregation (per Origin AS): 366028
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 466491
Number of IPv4 prefixes with a valid ROA: 403245
Number of IPv4 prefixes with an invalid ROA: 1218
Number of IPv4 prefixes with no ROA: 556781
Total ASes present in the Internet Routing Table: 76209
Prefixes per ASN: 12.61
Origin-only ASes present in the Internet Routing Table: 65292
Origin ASes announcing only one prefix: 26806
Transit ASes present in the Internet Routing Table: 10917
Transit-only ASes present in the Internet Routing Table: 525
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 84
Max AS path prepend of ASN (152107) 80
Prefixes from unregistered ASNs in the Routing Table: 984
Number of instances of unregistered ASNs: 994
Number of 32-bit ASNs allocated by the RIRs: 45401
Number of 32-bit ASNs visible in the Routing Table: 37091
Prefixes from 32-bit ASNs in the Routing Table: 192402
Number of bogon 32-bit ASNs visible in the Routing Table: 49
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 544
Number of addresses announced to Internet: 3034385664
Equivalent to 180 /8s, 221 /16s and 13 /24s
Percentage of available address space announced: 82.0
Percentage of allocated address space announced: 82.0
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: 314420
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 257897
Total APNIC prefixes after maximum aggregation: 75592
APNIC Deaggregation factor: 3.41
Prefixes being announced from the APNIC address blocks: 249504
Unique aggregates announced from the APNIC address blocks: 100701
APNIC Region origin ASes present in the Internet Routing Table: 14355
APNIC Prefixes per ASN: 17.38
APNIC Region origin ASes announcing only one prefix: 4374
APNIC Region transit ASes present in the Internet Routing Table: 1903
Average APNIC Region AS path length visible: 5.5
Max APNIC Region AS path length visible: 84
Number of APNIC region 32-bit ASNs visible in the Routing Table: 9772
Number of APNIC addresses announced to Internet: 762308736
Equivalent to 45 /8s, 111 /16s and 232 /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: 280527
Total ARIN prefixes after maximum aggregation: 126097
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 284174
Unique aggregates announced from the ARIN address blocks: 135262
ARIN Region origin ASes present in the Internet Routing Table: 19155
ARIN Prefixes per ASN: 14.84
ARIN Region origin ASes announcing only one prefix: 6955
ARIN Region transit ASes present in the Internet Routing Table: 2009
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 28
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5005
Number of ARIN addresses announced to Internet: 1266822912
Equivalent to 75 /8s, 130 /16s and 47 /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: 267087
Total RIPE prefixes after maximum aggregation: 128847
RIPE Deaggregation factor: 2.07
Prefixes being announced from the RIPE address blocks: 263753
Unique aggregates announced from the RIPE address blocks: 167217
RIPE Region origin ASes present in the Internet Routing Table: 28741
RIPE Prefixes per ASN: 9.18
RIPE Region origin ASes announcing only one prefix: 12116
RIPE Region transit ASes present in the Internet Routing Table: 3970
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 43
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11999
Number of RIPE addresses announced to Internet: 723332480
Equivalent to 43 /8s, 29 /16s and 45 /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: 122407
Total LACNIC prefixes after maximum aggregation: 28416
LACNIC Deaggregation factor: 4.31
Prefixes being announced from the LACNIC address blocks: 120210
Unique aggregates announced from the LACNIC address blocks: 48510
LACNIC Region origin ASes present in the Internet Routing Table: 11159
LACNIC Prefixes per ASN: 10.77
LACNIC Region origin ASes announcing only one prefix: 2677
LACNIC Region transit ASes present in the Internet Routing Table: 2470
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 61
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9066
Number of LACNIC addresses announced to Internet: 177670656
Equivalent to 10 /8s, 151 /16s and 10 /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: 32342
Total AfriNIC prefixes after maximum aggregation: 6434
AfriNIC Deaggregation factor: 5.03
Prefixes being announced from the AfriNIC address blocks: 43059
Unique aggregates announced from the AfriNIC address blocks: 14337
AfriNIC Region origin ASes present in the Internet Routing Table: 1884
AfriNIC Prefixes per ASN: 22.86
AfriNIC Region origin ASes announcing only one prefix: 684
AfriNIC Region transit ASes present in the Internet Routing Table: 366
Average AfriNIC Region AS path length visible: 6.0
Max AfriNIC Region AS path length visible: 39
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1249
Number of AfriNIC addresses announced to Internet: 103953152
Equivalent to 6 /8s, 50 /16s and 51 /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 10053 8751 74 CHINAMOBILE-CN China Mobile Communication
7545 5766 840 660 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4950 4192 74 ERX-CERNET-BKB China Education and Resear
18403 4356 347 23 FPT-AS-AP FPT Telecom Company, VN
7552 3987 1331 25 VIETEL-AS-AP Viettel Group, VN
9498 3793 508 262 BBIL-AP BHARTI Airtel Ltd., IN
7713 3644 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3261 1841 105 VNPT-AS-VN VNPT Corp, VN
24560 2817 848 466 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2273 11520 578 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 10736 11812 3762 AMAZON-02, US
11492 4643 309 546 CABLEONE, US
7155 4168 287 88 VIASAT-SP-BACKBONE, US
174 3939 8779 911 COGENT-174, US
6327 3602 1320 79 SHAW, CA
749 3483 55081 2706 DNIC-AS-00749, US
22773 3409 3035 188 ASN-CXA-ALL-CCI-22773-RDC, US
7018 3093 23685 1940 ATT-INTERNET4, US
16625 2842 1255 2121 AKAMAI-AS, US
396982 2827 3603 428 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 7636 1708 145 UNI2-AS, ES
39891 4602 278 58 ALJAWWALSTC-AS, SA
20940 3823 3395 129 AKAMAI-ASN1, NL
9009 3671 313 1876 M247, RO
12389 2937 2295 889 ROSTELECOM-AS, RU
34984 2332 357 583 TELLCOM-AS, TR
212238 1789 129 1325 CDNEXT, GB
13188 1607 100 26 TRIOLAN, UA
8452 1581 1852 14 TE-AS TE-AS, EG
8551 1449 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet
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 11707 3255 494 UNINET, MX
10620 3543 494 935 Telmex Colombia S.A., CO
13999 2554 534 365 Mega Cable, S.A. de C.V., MX
11830 2010 369 64 Instituto Costarricense de Electricidad y
28573 1337 2309 261 Claro NXT Telecomunicacoes Ltda, BR
3816 1322 782 194 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO
11664 1176 278 33 Techtel LMDS Comunicaciones Interactivas
6503 1145 374 163 Axtel, S.A.B. de C.V., MX
6147 1102 369 22 Telefonica del Peru S.A.A., PE
22884 1068 98 372 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 1609 389 16 LINKdotNET-AS, EG
24835 1606 593 29 RAYA-AS, EG
36992 1411 1519 282 ETISALAT-MISR, EG
29571 1341 85 63 ORANGE-COTE-IVOIRE, CI
36903 1249 554 96 MT-MPLS, MA
36935 975 523 48 Vodafone-, EG
6713 558 1861 35 IAM-AS, MA
36914 524 82 3 KENET-AS, KE
15399 510 57 58 WANANCHI-, KE
37342 425 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 11707 3255 494 UNINET, MX
16509 10736 11812 3762 AMAZON-02, US
9808 10053 8751 74 CHINAMOBILE-CN China Mobile Communication
12479 7636 1708 145 UNI2-AS, ES
7545 5766 840 660 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4950 4192 74 ERX-CERNET-BKB China Education and Resear
11492 4643 309 546 CABLEONE, US
39891 4602 278 58 ALJAWWALSTC-AS, SA
18403 4356 347 23 FPT-AS-AP FPT Telecom Company, VN
7155 4168 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 10053 9979 CHINAMOBILE-CN China Mobile Communications Grou
12479 7636 7491 UNI2-AS, ES
16509 10736 6974 AMAZON-02, US
7545 5766 5106 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4950 4876 ERX-CERNET-BKB China Education and Research Net
39891 4602 4544 ALJAWWALSTC-AS, SA
18403 4356 4333 FPT-AS-AP FPT Telecom Company, VN
11492 4643 4097 CABLEONE, US
7155 4168 4080 VIASAT-SP-BACKBONE, US
7552 3987 3962 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
23.137.192.0/24 Origin: 31798 DATACITY, CA
23.137.192.0/24 Transit: 21949 BEANFIELD, CA
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
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 /12:295
/13:575 /14:1169 /15:2069 /16:13226 /17:8269 /18:13763
/19:24644 /20:44799 /21:52104 /22:111948 /23:100461 /24:587040
/25:721 /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 6680 7636 UNI2-AS, ES
8151 5873 11707 UNINET, MX
11492 3553 4643 CABLEONE, US
6327 3397 3602 SHAW, CA
39891 3364 4602 ALJAWWALSTC-AS, SA
7155 3112 4168 VIASAT-SP-BACKBONE, US
22773 2542 3409 ASN-CXA-ALL-CCI-22773-RDC, US
10620 2172 3543 Telmex Colombia S.A., CO
16509 2170 10736 AMAZON-02, US
30036 2169 2508 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2309 2:1528 3:475 4:8 5:4482 6:161
7:6 8:1514 9:1 11:172 12:1426 13:371
14:2424 15:328 16:259 17:362 18:888 20:408
21:4 22:188 23:6887 24:2682 25:2 27:2578
29:19 31:2737 32:47 34:66 35:140 36:2368
37:4526 38:8600 39:916 40:150 41:4143 42:2043
43:2447 44:329 45:17522 46:4646 47:298 49:1991
50:1877 51:579 52:1581 54:317 55:964 56:8
57:218 58:2252 59:1265 60:1076 61:2737 62:2773
63:1849 64:5434 65:2277 66:4663 67:3023 68:1335
69:3989 70:1134 71:568 72:2859 74:2787 75:1633
76:622 77:2557 78:1861 79:1625 80:2209 81:2015
82:1692 83:1380 84:1759 85:3105 86:999 87:2346
88:1257 89:4316 90:679 91:8259 92:2496 93:2764
94:3795 95:4286 96:1276 97:316 98:1070 99:737
100:73 101:1172 102:3393 103:32273 104:4451 105:705
106:993 107:2384 108:1169 109:3972 110:2148 111:3317
112:2059 113:1791 114:1900 115:2093 116:1987 117:2675
118:2868 119:1989 120:1899 121:1420 122:2709 123:2170
124:1635 125:2864 126:64 128:1375 129:942 130:1234
131:1840 132:819 133:444 134:1509 135:310 136:1207
137:1105 138:2841 139:1512 140:1454 141:1444 142:1756
143:1608 144:1030 145:372 146:2094 147:2043 148:2541
149:2807 150:1066 151:1364 152:2106 153:502 154:6543
155:1499 156:2464 157:1818 158:1194 159:2456 160:3089
161:1721 162:3567 163:1754 164:1943 165:2140 166:1311
167:1840 168:4066 169:786 170:4931 171:1053 172:3911
173:3101 174:903 175:1229 176:3455 177:4781 178:3608
179:2171 180:2443 181:3894 182:3321 183:2060 184:2251
185:21098 186:5000 187:4297 188:4186 189:4143 190:9615
191:1508 192:11078 193:9255 194:7565 195:5407 196:3201
197:2970 198:6047 199:8125 200:8165 201:6330 202:10537
203:10371 204:4608 205:3697 206:4493 207:3671 208:4186
209:5149 210:4773 211:2666 212:4459 213:3661 214:1067
215:62 216:6642 217:2942 218:1413 219:557 220:2042
221:1046 222:878 223:2259
End of report
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