[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Sep 27 18:02:40 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 28 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: 961178
Prefixes after maximum aggregation (per Origin AS): 366431
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 467022
Number of IPv4 prefixes with a valid ROA: 396805
Number of IPv4 prefixes with an invalid ROA: 1088
Number of IPv4 prefixes with no ROA: 563285
Total ASes present in the Internet Routing Table: 76228
Prefixes per ASN: 12.61
Origin-only ASes present in the Internet Routing Table: 65298
Origin ASes announcing only one prefix: 26824
Transit ASes present in the Internet Routing Table: 10930
Transit-only ASes present in the Internet Routing Table: 532
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: 981
Number of instances of unregistered ASNs: 997
Number of 32-bit ASNs allocated by the RIRs: 45438
Number of 32-bit ASNs visible in the Routing Table: 37126
Prefixes from 32-bit ASNs in the Routing Table: 192951
Number of bogon 32-bit ASNs visible in the Routing Table: 61
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 527
Number of addresses announced to Internet: 3032001536
Equivalent to 180 /8s, 184 /16s and 172 /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: 314167
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 258180
Total APNIC prefixes after maximum aggregation: 75620
APNIC Deaggregation factor: 3.41
Prefixes being announced from the APNIC address blocks: 249801
Unique aggregates announced from the APNIC address blocks: 100822
APNIC Region origin ASes present in the Internet Routing Table: 14373
APNIC Prefixes per ASN: 17.38
APNIC Region origin ASes announcing only one prefix: 4382
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: 9798
Number of APNIC addresses announced to Internet: 759507840
Equivalent to 45 /8s, 69 /16s and 43 /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: 279974
Total ARIN prefixes after maximum aggregation: 126294
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 283566
Unique aggregates announced from the ARIN address blocks: 135417
ARIN Region origin ASes present in the Internet Routing Table: 19145
ARIN Prefixes per ASN: 14.81
ARIN Region origin ASes announcing only one prefix: 6959
ARIN Region transit ASes present in the Internet Routing Table: 2005
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: 5002
Number of ARIN addresses announced to Internet: 1267117312
Equivalent to 75 /8s, 134 /16s and 173 /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: 267205
Total RIPE prefixes after maximum aggregation: 128973
RIPE Deaggregation factor: 2.07
Prefixes being announced from the RIPE address blocks: 263983
Unique aggregates announced from the RIPE address blocks: 167489
RIPE Region origin ASes present in the Internet Routing Table: 28749
RIPE Prefixes per ASN: 9.18
RIPE Region origin ASes announcing only one prefix: 12137
RIPE Region transit ASes present in the Internet Routing Table: 3979
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: 12017
Number of RIPE addresses announced to Internet: 723344256
Equivalent to 43 /8s, 29 /16s and 91 /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: 122398
Total LACNIC prefixes after maximum aggregation: 28452
LACNIC Deaggregation factor: 4.30
Prefixes being announced from the LACNIC address blocks: 120179
Unique aggregates announced from the LACNIC address blocks: 48527
LACNIC Region origin ASes present in the Internet Routing Table: 11156
LACNIC Prefixes per ASN: 10.77
LACNIC Region origin ASes announcing only one prefix: 2664
LACNIC Region transit ASes present in the Internet Routing Table: 2479
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: 9059
Number of LACNIC addresses announced to Internet: 177508864
Equivalent to 10 /8s, 148 /16s and 146 /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: 32440
Total AfriNIC prefixes after maximum aggregation: 6451
AfriNIC Deaggregation factor: 5.03
Prefixes being announced from the AfriNIC address blocks: 43122
Unique aggregates announced from the AfriNIC address blocks: 14322
AfriNIC Region origin ASes present in the Internet Routing Table: 1885
AfriNIC Prefixes per ASN: 22.88
AfriNIC Region origin ASes announcing only one prefix: 682
AfriNIC Region transit ASes present in the Internet Routing Table: 365
Average AfriNIC Region AS path length visible: 6.0
Max AfriNIC Region AS path length visible: 30
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1250
Number of AfriNIC addresses announced to Internet: 104239616
Equivalent to 6 /8s, 54 /16s and 146 /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 10059 8751 74 CHINAMOBILE-CN China Mobile Communication
7545 5831 840 658 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4951 4192 74 ERX-CERNET-BKB China Education and Resear
18403 4391 347 23 FPT-AS-AP FPT Telecom Company, VN
7552 3990 1331 25 VIETEL-AS-AP Viettel Group, VN
9498 3808 509 263 BBIL-AP BHARTI Airtel Ltd., IN
7713 3651 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3261 1841 105 VNPT-AS-VN VNPT Corp, VN
24560 2828 851 470 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 10812 11830 3806 AMAZON-02, US
11492 4629 308 555 CABLEONE, US
7155 4168 287 88 VIASAT-SP-BACKBONE, US
174 3872 8772 906 COGENT-174, US
6327 3602 1320 79 SHAW, CA
749 3483 55081 2706 DNIC-AS-00749, US
22773 3426 3035 188 ASN-CXA-ALL-CCI-22773-RDC, US
7018 3161 23692 1962 ATT-INTERNET4, US
16625 2847 1259 2128 AKAMAI-AS, US
396982 2832 3603 417 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 7628 1708 145 UNI2-AS, ES
39891 4602 278 58 ALJAWWALSTC-AS, SA
20940 3821 3395 129 AKAMAI-ASN1, NL
9009 3684 315 1870 M247, RO
12389 2945 2295 890 ROSTELECOM-AS, RU
34984 2330 357 581 TELLCOM-AS, TR
212238 1804 130 1336 CDNEXT, GB
13188 1606 100 30 TRIOLAN, UA
8452 1521 1852 14 TE-AS TE-AS, EG
8551 1471 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 11506 3227 506 UNINET, MX
10620 3546 494 937 Telmex Colombia S.A., CO
13999 2550 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 1318 778 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO
11664 1147 278 33 Techtel LMDS Comunicaciones Interactivas
6503 1116 374 163 Axtel, S.A.B. de C.V., MX
6147 1107 369 22 Telefonica del Peru S.A.A., PE
22884 1072 98 369 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 1601 593 29 RAYA-AS, EG
24863 1601 389 18 LINKdotNET-AS, EG
36992 1412 1519 283 ETISALAT-MISR, EG
29571 1341 85 63 ORANGE-COTE-IVOIRE, CI
36903 1249 554 96 MT-MPLS, MA
36935 974 523 47 Vodafone-, EG
6713 555 1861 35 IAM-AS, MA
36914 520 82 3 KENET-AS, KE
15399 512 57 58 WANANCHI-, KE
24757 435 73 5 EthioNet-AS, ET
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 11506 3227 506 UNINET, MX
16509 10812 11830 3806 AMAZON-02, US
9808 10059 8751 74 CHINAMOBILE-CN China Mobile Communication
12479 7628 1708 145 UNI2-AS, ES
7545 5831 840 658 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4951 4192 74 ERX-CERNET-BKB China Education and Resear
11492 4629 308 555 CABLEONE, US
39891 4602 278 58 ALJAWWALSTC-AS, SA
18403 4391 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 10059 9985 CHINAMOBILE-CN China Mobile Communications Grou
12479 7628 7483 UNI2-AS, ES
16509 10812 7006 AMAZON-02, US
7545 5831 5173 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4951 4877 ERX-CERNET-BKB China Education and Research Net
39891 4602 4544 ALJAWWALSTC-AS, SA
18403 4391 4368 FPT-AS-AP FPT Telecom Company, VN
7155 4168 4080 VIASAT-SP-BACKBONE, US
11492 4629 4074 CABLEONE, US
7552 3990 3965 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 /12:295
/13:577 /14:1171 /15:2063 /16:13225 /17:8275 /18:13772
/19:24636 /20:44744 /21:52116 /22:111842 /23:100518 /24:587061
/25:723 /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 6675 7628 UNI2-AS, ES
8151 5708 11506 UNINET, MX
11492 3543 4629 CABLEONE, US
6327 3397 3602 SHAW, CA
39891 3364 4602 ALJAWWALSTC-AS, SA
7155 3112 4168 VIASAT-SP-BACKBONE, US
22773 2560 3426 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2222 10812 AMAZON-02, US
10620 2175 3546 Telmex Colombia S.A., CO
30036 2142 2477 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2312 2:1530 3:481 4:8 5:4503 6:163
7:6 8:1513 9:1 11:172 12:1422 13:372
14:2427 15:328 16:264 17:363 18:891 20:409
21:4 22:188 23:6887 24:2646 25:2 27:2577
29:19 31:2784 32:47 34:66 35:140 36:2365
37:4527 38:8612 39:918 40:150 41:4120 42:2069
43:2448 44:332 45:17554 46:4633 47:299 49:2015
50:1861 51:579 52:1577 54:318 55:950 56:8
57:221 58:2255 59:1266 60:1082 61:2742 62:2775
63:1825 64:5445 65:2269 66:4665 67:3011 68:1292
69:3985 70:1141 71:567 72:2835 74:2785 75:1621
76:616 77:2556 78:1865 79:1642 80:2208 81:2022
82:1702 83:1375 84:1759 85:3090 86:1010 87:2367
88:1256 89:4311 90:669 91:8247 92:2589 93:2804
94:3798 95:4281 96:1268 97:316 98:1061 99:737
100:74 101:1172 102:3370 103:32298 104:4460 105:704
106:995 107:2396 108:1169 109:3973 110:2175 111:3323
112:2061 113:1777 114:1906 115:2107 116:1985 117:2679
118:2872 119:1989 120:1902 121:1411 122:2710 123:2175
124:1635 125:2865 126:64 128:1392 129:943 130:1225
131:1841 132:820 133:444 134:1515 135:306 136:1203
137:1109 138:2831 139:1511 140:1456 141:1441 142:1755
143:1605 144:1031 145:372 146:2084 147:2036 148:2541
149:2816 150:1060 151:1367 152:2104 153:500 154:6549
155:1501 156:2470 157:1823 158:1197 159:2457 160:3130
161:1729 162:3565 163:1757 164:1937 165:2140 166:1318
167:1833 168:4044 169:783 170:4919 171:1053 172:3917
173:3086 174:905 175:1246 176:3458 177:4804 178:3597
179:2200 180:2443 181:3901 182:3321 183:2055 184:2252
185:21104 186:5013 187:4254 188:4189 189:4056 190:9618
191:1533 192:11079 193:9259 194:7586 195:5417 196:3229
197:2987 198:6044 199:8069 200:8109 201:6339 202:10523
203:10388 204:4582 205:3691 206:4478 207:3667 208:4134
209:5139 210:4777 211:2673 212:4461 213:3674 214:1070
215:62 216:6592 217:2930 218:1398 219:561 220:2052
221:1047 222:876 223:2265
End of report
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