[SANOG] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Jun 28 18:02:14 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 29 Jun, 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: 954419
Prefixes after maximum aggregation (per Origin AS): 363407
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 464995
Total ASes present in the Internet Routing Table: 75907
Prefixes per ASN: 12.57
Origin-only ASes present in the Internet Routing Table: 65039
Origin ASes announcing only one prefix: 26699
Transit ASes present in the Internet Routing Table: 10868
Transit-only ASes present in the Internet Routing Table: 527
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 60
Max AS path prepend of ASN ( 53153) 57
Prefixes from unregistered ASNs in the Routing Table: 998
Number of instances of unregistered ASNs: 1000
Number of 32-bit ASNs allocated by the RIRs: 44897
Number of 32-bit ASNs visible in the Routing Table: 36638
Prefixes from 32-bit ASNs in the Routing Table: 188462
Number of bogon 32-bit ASNs visible in the Routing Table: 14
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 555
Number of addresses announced to Internet: 3025151616
Equivalent to 180 /8s, 80 /16s and 38 /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: 312557
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 255374
Total APNIC prefixes after maximum aggregation: 74242
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 247350
Unique aggregates announced from the APNIC address blocks: 101104
APNIC Region origin ASes present in the Internet Routing Table: 14220
APNIC Prefixes per ASN: 17.39
APNIC Region origin ASes announcing only one prefix: 4328
APNIC Region transit ASes present in the Internet Routing Table: 1906
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 55
Number of APNIC region 32-bit ASNs visible in the Routing Table: 9628
Number of APNIC addresses announced to Internet: 761694592
Equivalent to 45 /8s, 102 /16s and 137 /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: 277700
Total ARIN prefixes after maximum aggregation: 125420
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 282299
Unique aggregates announced from the ARIN address blocks: 134685
ARIN Region origin ASes present in the Internet Routing Table: 19137
ARIN Prefixes per ASN: 14.75
ARIN Region origin ASes announcing only one prefix: 6948
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: 4933
Number of ARIN addresses announced to Internet: 1266881792
Equivalent to 75 /8s, 131 /16s and 21 /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: 266279
Total RIPE prefixes after maximum aggregation: 127592
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 261045
Unique aggregates announced from the RIPE address blocks: 165134
RIPE Region origin ASes present in the Internet Routing Table: 28665
RIPE Prefixes per ASN: 9.11
RIPE Region origin ASes announcing only one prefix: 12123
RIPE Region transit ASes present in the Internet Routing Table: 3986
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 41
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11869
Number of RIPE addresses announced to Internet: 713697024
Equivalent to 42 /8s, 138 /16s and 39 /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: 122256
Total LACNIC prefixes after maximum aggregation: 29258
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 120330
Unique aggregates announced from the LACNIC address blocks: 50028
LACNIC Region origin ASes present in the Internet Routing Table: 11112
LACNIC Prefixes per ASN: 10.83
LACNIC Region origin ASes announcing only one prefix: 2640
LACNIC Region transit ASes present in the Internet Routing Table: 2425
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: 8993
Number of LACNIC addresses announced to Internet: 176774144
Equivalent to 10 /8s, 137 /16s and 92 /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: 31812
Total AfriNIC prefixes after maximum aggregation: 6233
AfriNIC Deaggregation factor: 5.10
Prefixes being announced from the AfriNIC address blocks: 42840
Unique aggregates announced from the AfriNIC address blocks: 13592
AfriNIC Region origin ASes present in the Internet Routing Table: 1852
AfriNIC Prefixes per ASN: 23.13
AfriNIC Region origin ASes announcing only one prefix: 660
AfriNIC Region transit ASes present in the Internet Routing Table: 361
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1215
Number of AfriNIC addresses announced to Internet: 105737728
Equivalent to 6 /8s, 77 /16s and 110 /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 9875 8746 77 CHINAMOBILE-CN China Mobile Communicati
7545 5645 777 672 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4932 4192 74 ERX-CERNET-BKB China Education and Rese
18403 4207 347 23 FPT-AS-AP FPT Telecom Company, VN
7552 3943 1331 21 VIETEL-AS-AP Viettel Group, VN
9498 3783 511 265 BBIL-AP BHARTI Airtel Ltd., IN
7713 3621 1036 71 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3265 1841 105 VNPT-AS-VN VNPT Corp, VN
24560 2824 862 401 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
4766 2285 11522 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 10104 11533 3638 AMAZON-02, US
11492 4641 308 547 CABLEONE, US
7155 4166 287 88 VIASAT-SP-BACKBONE, US
174 3705 8790 898 COGENT-174, US
6327 3594 1320 79 SHAW, CA
22773 3445 3037 212 ASN-CXA-ALL-CCI-22773-RDC, US
749 3249 54901 2501 DNIC-AS-00749, US
16625 3159 1339 2229 AKAMAI-AS, US
7018 2898 23669 1825 ATT-INTERNET4, US
396982 2767 3611 414 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 7714 1708 145 UNI2-AS, ES
39891 4758 286 60 ALJAWWALSTC-AS, SA
20940 3834 3396 134 AKAMAI-ASN1, NL
9009 3595 306 1819 M247, RO
12389 2980 2304 897 ROSTELECOM-AS, RU
34984 2347 361 579 TELLCOM-AS, TR
8551 1778 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
212238 1710 123 1242 CDNEXT, GB
13188 1607 100 26 TRIOLAN, UA
8452 1567 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 11857 3310 502 UNINET, MX
10620 3518 492 938 Telmex Colombia S.A., CO
13999 2553 357 677 Mega Cable, S.A. de C.V., MX
11830 2003 369 64 Instituto Costarricense de Electricidad
28573 1343 2311 258 Claro NXT Telecomunicacoes Ltda, BR
3816 1315 775 191 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6503 1128 314 478 Axtel, S.A.B. de C.V., MX
6147 1093 369 22 Telefonica del Peru S.A.A., PE
26615 1081 2503 53 TIM SA, BR
22884 1056 97 363 TOTAL PLAY TELECOMUNICACIONES SA DE CV,
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 1622 389 16 LINKdotNET-AS, EG
24835 1570 593 29 RAYA-AS, EG
36992 1380 1520 283 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
29571 1235 78 74 ORANGE-COTE-IVOIRE, CI
36935 940 521 43 Vodafone-, EG
6713 555 1861 35 IAM-AS, MA
36914 531 82 3 KENET-AS, KE
15399 518 56 56 WANANCHI-, KE
37342 478 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 11857 3310 502 UNINET, MX
16509 10104 11533 3638 AMAZON-02, US
9808 9875 8746 77 CHINAMOBILE-CN China Mobile Communicati
12479 7714 1708 145 UNI2-AS, ES
7545 5645 777 672 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4932 4192 74 ERX-CERNET-BKB China Education and Rese
39891 4758 286 60 ALJAWWALSTC-AS, SA
11492 4641 308 547 CABLEONE, US
18403 4207 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 9875 9798 CHINAMOBILE-CN China Mobile Communications Grou
12479 7714 7569 UNI2-AS, ES
16509 10104 6466 AMAZON-02, US
7545 5645 4973 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4932 4858 ERX-CERNET-BKB China Education and Research Net
39891 4758 4698 ALJAWWALSTC-AS, SA
18403 4207 4184 FPT-AS-AP FPT Telecom Company, VN
11492 4641 4094 CABLEONE, US
7155 4166 4078 VIASAT-SP-BACKBONE, US
7552 3943 3922 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-DDOS-M
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
62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, 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
23.140.216.0/24 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
23.170.224.0/24 Origin: 30168 RESERVED, ZZ
23.170.224.0/24 Transit: 397095 SETSONLLC, US
23.189.192.0/24 Origin: 27593 RESERVED, ZZ
23.189.192.0/24 Transit: 174 COGENT-174, 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 /9:14 /10:37 /11:93 /12:296
/13:573 /14:1171 /15:2064 /16:13268 /17:8269 /18:13767
/19:24728 /20:44343 /21:51904 /22:111747 /23:99963 /24:581472
/25:694 /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 6802 7714 UNI2-AS, ES
8151 5939 11857 UNINET, MX
11492 3548 4641 CABLEONE, US
39891 3440 4758 ALJAWWALSTC-AS, SA
6327 3390 3594 SHAW, CA
7155 3111 4166 VIASAT-SP-BACKBONE, US
22773 2558 3445 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2148 2488 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2147 3518 Telmex Colombia S.A., CO
16509 2123 10104 AMAZON-02, US
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2324 2:1539 3:364 4:6 5:4358 6:164
7:6 8:1518 9:1 11:172 12:1446 13:360
14:2400 15:318 16:219 17:369 18:770 20:387
21:4 22:188 23:6893 24:2716 25:2 27:2560
29:19 31:2583 32:48 34:63 35:135 36:2337
37:4478 38:7964 39:899 40:143 41:4079 42:2001
43:2370 44:323 45:17278 46:4498 47:303 49:1976
50:1882 51:582 52:1583 54:313 55:910 56:8
57:213 58:2166 59:1253 60:1039 61:2597 62:2749
63:1875 64:5481 65:2309 66:4617 67:2993 68:1299
69:4075 70:1174 71:577 72:2877 74:2593 75:1550
76:624 77:2500 78:1862 79:1782 80:2188 81:2020
82:1643 83:1355 84:1686 85:3179 86:911 87:2302
88:1228 89:4163 90:684 91:8150 92:2337 93:2702
94:3730 95:4196 96:1286 97:317 98:1022 99:738
100:73 101:1175 102:3522 103:32352 104:4822 105:701
106:1002 107:2503 108:1153 109:4048 110:2129 111:3268
112:2047 113:1826 114:1824 115:2087 116:1899 117:2657
118:2799 119:1967 120:1805 121:1364 122:2697 123:2242
124:1627 125:2874 126:32 128:1434 129:933 130:1176
131:1861 132:818 133:413 134:1735 135:323 136:1123
137:1081 138:2873 139:1514 140:1408 141:1375 142:1667
143:1554 144:999 145:372 146:2095 147:1984 148:2536
149:2753 150:1033 151:1367 152:2228 153:520 154:6989
155:1490 156:2292 157:1872 158:1164 159:2314 160:2759
161:1693 162:3539 163:1698 164:1663 165:2145 166:1278
167:1813 168:4059 169:797 170:4951 171:1046 172:3870
173:3049 174:893 175:1230 176:3462 177:4811 178:3680
179:2240 180:2410 181:3782 182:3346 183:1988 184:2257
185:20883 186:5028 187:4415 188:4062 189:4203 190:9455
191:1490 192:11044 193:9159 194:7509 195:5314 196:3186
197:2713 198:6040 199:7952 200:8132 201:6314 202:10454
203:10207 204:4577 205:3689 206:4479 207:3607 208:4155
209:5049 210:4647 211:2623 212:4356 213:3566 214:1057
215:49 216:6750 217:3048 218:1361 219:585 220:2024
221:1038 222:853 223:2248
End of report
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