[SANOG] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Oct 4 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 05 Oct, 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: 962891
Prefixes after maximum aggregation (per Origin AS): 366322
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 467355
Number of IPv4 prefixes with a valid ROA: 406147
Number of IPv4 prefixes with an invalid ROA: 1060
Number of IPv4 prefixes with no ROA: 555684
Total ASes present in the Internet Routing Table: 76289
Prefixes per ASN: 12.62
Origin-only ASes present in the Internet Routing Table: 65333
Origin ASes announcing only one prefix: 26851
Transit ASes present in the Internet Routing Table: 10956
Transit-only ASes present in the Internet Routing Table: 531
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 89
Max AS path prepend of ASN (152107) 85
Prefixes from unregistered ASNs in the Routing Table: 969
Number of instances of unregistered ASNs: 988
Number of 32-bit ASNs allocated by the RIRs: 45479
Number of 32-bit ASNs visible in the Routing Table: 37185
Prefixes from 32-bit ASNs in the Routing Table: 192954
Number of bogon 32-bit ASNs visible in the Routing Table: 67
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 531
Number of addresses announced to Internet: 3032281344
Equivalent to 180 /8s, 188 /16s and 241 /24s
Percentage of available address space announced: 81.9
Percentage of allocated address space announced: 81.9
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: 314687
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 257777
Total APNIC prefixes after maximum aggregation: 75417
APNIC Deaggregation factor: 3.42
Prefixes being announced from the APNIC address blocks: 249817
Unique aggregates announced from the APNIC address blocks: 100946
APNIC Region origin ASes present in the Internet Routing Table: 14382
APNIC Prefixes per ASN: 17.37
APNIC Region origin ASes announcing only one prefix: 4390
APNIC Region transit ASes present in the Internet Routing Table: 1904
Average APNIC Region AS path length visible: 5.5
Max APNIC Region AS path length visible: 89
Number of APNIC region 32-bit ASNs visible in the Routing Table: 9809
Number of APNIC addresses announced to Internet: 759497856
Equivalent to 45 /8s, 69 /16s and 4 /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: 281412
Total ARIN prefixes after maximum aggregation: 126201
ARIN Deaggregation factor: 2.23
Prefixes being announced from the ARIN address blocks: 284596
Unique aggregates announced from the ARIN address blocks: 135307
ARIN Region origin ASes present in the Internet Routing Table: 19186
ARIN Prefixes per ASN: 14.83
ARIN Region origin ASes announcing only one prefix: 6982
ARIN Region transit ASes present in the Internet Routing Table: 2016
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 33
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5022
Number of ARIN addresses announced to Internet: 1267440640
Equivalent to 75 /8s, 139 /16s and 156 /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: 267541
Total RIPE prefixes after maximum aggregation: 129128
RIPE Deaggregation factor: 2.07
Prefixes being announced from the RIPE address blocks: 264187
Unique aggregates announced from the RIPE address blocks: 167813
RIPE Region origin ASes present in the Internet Routing Table: 28752
RIPE Prefixes per ASN: 9.19
RIPE Region origin ASes announcing only one prefix: 12138
RIPE Region transit ASes present in the Internet Routing Table: 3987
Average RIPE Region AS path length visible: 5.3
Max RIPE Region AS path length visible: 43
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12030
Number of RIPE addresses announced to Internet: 723164544
Equivalent to 43 /8s, 26 /16s and 157 /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: 122447
Total LACNIC prefixes after maximum aggregation: 28485
LACNIC Deaggregation factor: 4.30
Prefixes being announced from the LACNIC address blocks: 120216
Unique aggregates announced from the LACNIC address blocks: 48613
LACNIC Region origin ASes present in the Internet Routing Table: 11171
LACNIC Prefixes per ASN: 10.76
LACNIC Region origin ASes announcing only one prefix: 2658
LACNIC Region transit ASes present in the Internet Routing Table: 2487
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: 9073
Number of LACNIC addresses announced to Internet: 177662464
Equivalent to 10 /8s, 150 /16s and 234 /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: 32745
Total AfriNIC prefixes after maximum aggregation: 6465
AfriNIC Deaggregation factor: 5.06
Prefixes being announced from the AfriNIC address blocks: 43544
Unique aggregates announced from the AfriNIC address blocks: 14231
AfriNIC Region origin ASes present in the Internet Routing Table: 1883
AfriNIC Prefixes per ASN: 23.12
AfriNIC Region origin ASes announcing only one prefix: 683
AfriNIC Region transit ASes present in the Internet Routing Table: 364
Average AfriNIC Region AS path length visible: 6.0
Max AfriNIC Region AS path length visible: 46
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1251
Number of AfriNIC addresses announced to Internet: 104232448
Equivalent to 6 /8s, 54 /16s and 118 /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 10057 8751 74 CHINAMOBILE-CN China Mobile Communication
7545 5922 840 659 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4951 4192 74 ERX-CERNET-BKB China Education and Resear
18403 4437 347 23 FPT-AS-AP FPT Telecom Company, VN
7552 3985 1331 25 VIETEL-AS-AP Viettel Group, VN
9498 3828 511 269 BBIL-AP BHARTI Airtel Ltd., IN
7713 3640 1036 71 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3262 1841 105 VNPT-AS-VN VNPT Corp, VN
24560 2793 841 528 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 10831 11836 3792 AMAZON-02, US
11492 4650 309 548 CABLEONE, US
174 4471 8767 880 COGENT-174, US
7155 4166 287 88 VIASAT-SP-BACKBONE, US
6327 3602 1320 79 SHAW, CA
749 3484 55081 2707 DNIC-AS-00749, US
22773 3411 3035 188 ASN-CXA-ALL-CCI-22773-RDC, US
7018 3191 23677 1973 ATT-INTERNET4, US
16625 2859 1263 2133 AKAMAI-AS, US
396982 2836 3603 418 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 7629 1708 141 UNI2-AS, ES
39891 4466 269 62 ALJAWWALSTC-AS, SA
20940 3837 3395 129 AKAMAI-ASN1, NL
9009 3665 314 1868 M247, RO
12389 2938 2295 885 ROSTELECOM-AS, RU
34984 2332 357 581 TELLCOM-AS, TR
212238 1764 128 1306 CDNEXT, GB
13188 1606 100 30 TRIOLAN, UA
8452 1568 1852 14 TE-AS TE-AS, EG
8551 1476 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 11453 3245 510 UNINET, MX
10620 3546 494 937 Telmex Colombia S.A., CO
13999 2550 534 363 Mega Cable, S.A. de C.V., MX
11830 2007 369 64 Instituto Costarricense de Electricidad y
28573 1338 2310 261 Claro NXT Telecomunicacoes Ltda, BR
3816 1319 778 194 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO
6503 1149 374 163 Axtel, S.A.B. de C.V., MX
11664 1149 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1106 369 22 Telefonica del Peru S.A.A., PE
22884 1072 98 370 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
24835 1636 593 29 RAYA-AS, EG
24863 1613 389 16 LINKdotNET-AS, EG
36992 1412 1519 283 ETISALAT-MISR, EG
29571 1340 85 64 ORANGE-COTE-IVOIRE, CI
36903 1249 554 96 MT-MPLS, MA
36935 974 523 47 Vodafone-, EG
6713 556 1861 35 IAM-AS, MA
37069 556 1100 11 MOBINIL, EG
36914 530 82 3 KENET-AS, KE
37342 516 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 11453 3245 510 UNINET, MX
16509 10831 11836 3792 AMAZON-02, US
9808 10057 8751 74 CHINAMOBILE-CN China Mobile Communication
12479 7629 1708 141 UNI2-AS, ES
7545 5922 840 659 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4951 4192 74 ERX-CERNET-BKB China Education and Resear
11492 4650 309 548 CABLEONE, US
174 4471 8767 880 COGENT-174, US
39891 4466 269 62 ALJAWWALSTC-AS, SA
18403 4437 347 23 FPT-AS-AP FPT Telecom Company, VN
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 10057 9983 CHINAMOBILE-CN China Mobile Communications Grou
12479 7629 7488 UNI2-AS, ES
16509 10831 7039 AMAZON-02, US
7545 5922 5263 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4951 4877 ERX-CERNET-BKB China Education and Research Net
18403 4437 4414 FPT-AS-AP FPT Telecom Company, VN
39891 4466 4404 ALJAWWALSTC-AS, SA
11492 4650 4102 CABLEONE, US
7155 4166 4078 VIASAT-SP-BACKBONE, US
7552 3985 3960 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
203727 UNALLOCATED 5.42.92.0/24 215826 PARTNER-HOSTING-LTD, GB
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
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 /10:36 /11:92 /12:296
/13:577 /14:1171 /15:2061 /16:13225 /17:8282 /18:13761
/19:24619 /20:44899 /21:52256 /22:112105 /23:100222 /24:588525
/25:732 /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 6684 7629 UNI2-AS, ES
8151 5656 11453 UNINET, MX
11492 3555 4650 CABLEONE, US
6327 3397 3602 SHAW, CA
39891 3292 4466 ALJAWWALSTC-AS, SA
7155 3110 4166 VIASAT-SP-BACKBONE, US
22773 2544 3411 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2204 10831 AMAZON-02, US
10620 2175 3546 Telmex Colombia S.A., CO
30036 2163 2502 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2292 2:1535 3:487 4:8 5:4396 6:163
7:6 8:1513 9:1 11:172 12:1424 13:374
14:2455 15:327 16:263 17:361 18:892 20:410
21:4 22:188 23:6879 24:2625 25:2 27:2595
29:19 31:2812 32:47 34:66 35:140 36:2364
37:4540 38:8645 39:919 40:150 41:4113 42:2112
43:2441 44:334 45:17566 46:4649 47:300 49:2021
50:1875 51:517 52:1577 54:317 55:954 56:8
57:220 58:2251 59:1263 60:1120 61:2739 62:2789
63:1854 64:5387 65:2263 66:4676 67:2995 68:1335
69:4007 70:1133 71:567 72:2850 74:2804 75:1623
76:613 77:2563 78:1864 79:1647 80:2192 81:2025
82:1748 83:1381 84:1753 85:3094 86:1017 87:2404
88:1260 89:4296 90:666 91:8240 92:2616 93:2814
94:3792 95:4281 96:1271 97:316 98:1069 99:737
100:74 101:1168 102:3409 103:32318 104:4462 105:706
106:986 107:2394 108:1172 109:3999 110:2162 111:3329
112:2058 113:1790 114:1919 115:2107 116:1980 117:2712
118:2869 119:1988 120:1894 121:1414 122:2707 123:2148
124:1638 125:2867 126:64 128:1401 129:946 130:1235
131:1825 132:821 133:444 134:1516 135:311 136:1210
137:1115 138:2854 139:1521 140:1455 141:1432 142:1765
143:1604 144:1021 145:379 146:2099 147:2050 148:2548
149:2812 150:1067 151:1371 152:2114 153:500 154:6983
155:1481 156:2580 157:1827 158:1196 159:2456 160:3152
161:1731 162:3568 163:1755 164:1941 165:2142 166:1295
167:1850 168:4048 169:786 170:4933 171:1033 172:3891
173:3099 174:905 175:1247 176:3461 177:4743 178:3589
179:2204 180:2449 181:3889 182:3323 183:2055 184:2256
185:21130 186:5040 187:4270 188:4181 189:4048 190:9620
191:1523 192:11081 193:9267 194:7591 195:5418 196:3242
197:3084 198:6047 199:8138 200:8160 201:6335 202:10530
203:10373 204:4568 205:3711 206:4633 207:3677 208:4203
209:5163 210:4787 211:2673 212:4466 213:3690 214:1068
215:62 216:6614 217:2935 218:1398 219:556 220:2064
221:1047 222:861 223:2260
End of report
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