[SANOG] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Aug 16 18:02:26 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 17 Aug, 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: 957059
Prefixes after maximum aggregation (per Origin AS): 364876
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 465009
Total ASes present in the Internet Routing Table: 76094
Prefixes per ASN: 12.58
Origin-only ASes present in the Internet Routing Table: 65136
Origin ASes announcing only one prefix: 26782
Transit ASes present in the Internet Routing Table: 10958
Transit-only ASes present in the Internet Routing Table: 529
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 85
Max AS path prepend of ASN (152107) 80
Prefixes from unregistered ASNs in the Routing Table: 971
Number of instances of unregistered ASNs: 987
Number of 32-bit ASNs allocated by the RIRs: 45195
Number of 32-bit ASNs visible in the Routing Table: 36917
Prefixes from 32-bit ASNs in the Routing Table: 191413
Number of bogon 32-bit ASNs visible in the Routing Table: 78
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 544
Number of addresses announced to Internet: 3034398592
Equivalent to 180 /8s, 221 /16s and 63 /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: 312794
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 257000
Total APNIC prefixes after maximum aggregation: 75269
APNIC Deaggregation factor: 3.41
Prefixes being announced from the APNIC address blocks: 248904
Unique aggregates announced from the APNIC address blocks: 102378
APNIC Region origin ASes present in the Internet Routing Table: 14323
APNIC Prefixes per ASN: 17.38
APNIC Region origin ASes announcing only one prefix: 4356
APNIC Region transit ASes present in the Internet Routing Table: 1928
Average APNIC Region AS path length visible: 5.6
Max APNIC Region AS path length visible: 85
Number of APNIC region 32-bit ASNs visible in the Routing Table: 9729
Number of APNIC addresses announced to Internet: 762099072
Equivalent to 45 /8s, 108 /16s and 181 /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: 278688
Total ARIN prefixes after maximum aggregation: 125781
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 282881
Unique aggregates announced from the ARIN address blocks: 134380
ARIN Region origin ASes present in the Internet Routing Table: 19128
ARIN Prefixes per ASN: 14.79
ARIN Region origin ASes announcing only one prefix: 6949
ARIN Region transit ASes present in the Internet Routing Table: 1994
Average ARIN Region AS path length visible: 4.7
Max ARIN Region AS path length visible: 28
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4964
Number of ARIN addresses announced to Internet: 1266146560
Equivalent to 75 /8s, 119 /16s and 221 /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: 266573
Total RIPE prefixes after maximum aggregation: 128246
RIPE Deaggregation factor: 2.08
Prefixes being announced from the RIPE address blocks: 262332
Unique aggregates announced from the RIPE address blocks: 166066
RIPE Region origin ASes present in the Internet Routing Table: 28701
RIPE Prefixes per ASN: 9.14
RIPE Region origin ASes announcing only one prefix: 12121
RIPE Region transit ASes present in the Internet Routing Table: 4006
Average RIPE Region AS path length visible: 5.5
Max RIPE Region AS path length visible: 44
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11944
Number of RIPE addresses announced to Internet: 722970624
Equivalent to 43 /8s, 23 /16s and 168 /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: 122078
Total LACNIC prefixes after maximum aggregation: 28658
LACNIC Deaggregation factor: 4.26
Prefixes being announced from the LACNIC address blocks: 119945
Unique aggregates announced from the LACNIC address blocks: 47738
LACNIC Region origin ASes present in the Internet Routing Table: 11153
LACNIC Prefixes per ASN: 10.75
LACNIC Region origin ASes announcing only one prefix: 2680
LACNIC Region transit ASes present in the Internet Routing Table: 2453
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: 9047
Number of LACNIC addresses announced to Internet: 178126336
Equivalent to 10 /8s, 157 /16s and 254 /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: 31749
Total AfriNIC prefixes after maximum aggregation: 6282
AfriNIC Deaggregation factor: 5.05
Prefixes being announced from the AfriNIC address blocks: 42453
Unique aggregates announced from the AfriNIC address blocks: 13993
AfriNIC Region origin ASes present in the Internet Routing Table: 1874
AfriNIC Prefixes per ASN: 22.65
AfriNIC Region origin ASes announcing only one prefix: 676
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: 39
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1233
Number of AfriNIC addresses announced to Internet: 104754688
Equivalent to 6 /8s, 62 /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 9904 8747 80 CHINAMOBILE-CN China Mobile Communication
7545 5696 841 659 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4937 4192 74 ERX-CERNET-BKB China Education and Resear
18403 4215 347 23 FPT-AS-AP FPT Telecom Company, VN
7552 3951 1331 22 VIETEL-AS-AP Viettel Group, VN
9498 3788 508 260 BBIL-AP BHARTI Airtel Ltd., IN
7713 3649 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3245 1841 105 VNPT-AS-VN VNPT Corp, VN
24560 2815 856 451 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2279 11520 577 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 10471 11565 3808 AMAZON-02, US
11492 4628 308 547 CABLEONE, US
7155 4167 287 89 VIASAT-SP-BACKBONE, US
174 3919 8784 905 COGENT-174, US
6327 3600 1320 79 SHAW, CA
22773 3419 3035 186 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54897 2507 DNIC-AS-00749, US
16625 3078 1285 2158 AKAMAI-AS, US
7018 2942 23674 1851 ATT-INTERNET4, US
396982 2778 3567 416 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 7697 1708 145 UNI2-AS, ES
39891 4539 273 57 ALJAWWALSTC-AS, SA
20940 3802 3396 133 AKAMAI-ASN1, NL
9009 3660 312 1855 M247, RO
12389 2935 2301 886 ROSTELECOM-AS, RU
34984 2331 359 585 TELLCOM-AS, TR
8551 1779 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet
212238 1743 125 1276 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 11820 3292 510 UNINET, MX
10620 3534 493 929 Telmex Colombia S.A., CO
13999 2554 629 22 Mega Cable, S.A. de C.V., MX
11830 2007 369 64 Instituto Costarricense de Electricidad y
28573 1343 2310 257 Claro NXT Telecomunicacoes Ltda, BR
3816 1319 777 204 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO
6503 1121 313 480 Axtel, S.A.B. de C.V., MX
22884 1068 98 368 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
26615 1062 2503 53 TIM SA, BR
6147 1034 369 22 Telefonica del Peru S.A.A., PE
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 1611 389 16 LINKdotNET-AS, EG
24835 1554 593 29 RAYA-AS, EG
36992 1411 1519 283 ETISALAT-MISR, EG
29571 1324 84 78 ORANGE-COTE-IVOIRE, CI
36903 1249 554 96 MT-MPLS, MA
36935 939 521 42 Vodafone-, EG
6713 555 1861 35 IAM-AS, MA
36914 551 82 3 KENET-AS, KE
15399 512 56 57 WANANCHI-, KE
24757 436 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 11820 3292 510 UNINET, MX
16509 10471 11565 3808 AMAZON-02, US
9808 9904 8747 80 CHINAMOBILE-CN China Mobile Communication
12479 7697 1708 145 UNI2-AS, ES
7545 5696 841 659 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4937 4192 74 ERX-CERNET-BKB China Education and Resear
11492 4628 308 547 CABLEONE, US
39891 4539 273 57 ALJAWWALSTC-AS, SA
18403 4215 347 23 FPT-AS-AP FPT Telecom Company, VN
7155 4167 287 89 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 9904 9824 CHINAMOBILE-CN China Mobile Communications Grou
12479 7697 7552 UNI2-AS, ES
16509 10471 6663 AMAZON-02, US
7545 5696 5037 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4937 4863 ERX-CERNET-BKB China Education and Research Net
39891 4539 4482 ALJAWWALSTC-AS, SA
18403 4215 4192 FPT-AS-AP FPT Telecom Company, VN
11492 4628 4081 CABLEONE, US
7155 4167 4078 VIASAT-SP-BACKBONE, US
7552 3951 3929 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
23.130.240.0/24 Origin: 14315 1GSERVERS, US
23.130.240.0/24 Transit: 174 COGENT-174, 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
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 /11:93 /12:294
/13:577 /14:1165 /15:2059 /16:13239 /17:8248 /18:13714
/19:24699 /20:44329 /21:51937 /22:111803 /23:100298 /24:583821
/25:714 /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 6780 7697 UNI2-AS, ES
8151 5938 11820 UNINET, MX
11492 3539 4628 CABLEONE, US
6327 3396 3600 SHAW, CA
39891 3361 4539 ALJAWWALSTC-AS, SA
7155 3111 4167 VIASAT-SP-BACKBONE, US
22773 2558 3419 ASN-CXA-ALL-CCI-22773-RDC, US
10620 2163 3534 Telmex Colombia S.A., CO
30036 2155 2493 MEDIACOM-ENTERPRISE-BUSINESS, US
16509 2133 10471 AMAZON-02, US
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2310 2:1545 3:413 4:6 5:4398 6:162
7:6 8:1526 9:1 11:172 12:1430 13:356
14:2399 15:325 16:255 17:365 18:859 20:407
21:4 22:188 23:6815 24:2696 25:2 27:2561
29:19 31:2664 32:47 34:66 35:139 36:2356
37:4528 38:8373 39:914 40:146 41:4112 42:2001
43:2445 44:331 45:17474 46:4584 47:300 49:2031
50:1844 51:579 52:1578 54:316 55:954 56:8
57:213 58:2236 59:1265 60:1060 61:2666 62:2768
63:1857 64:5450 65:2274 66:4642 67:3012 68:1345
69:4034 70:1154 71:555 72:2854 74:2649 75:1561
76:617 77:2509 78:1855 79:1779 80:2186 81:2032
82:1663 83:1372 84:1713 85:3164 86:971 87:2304
88:1251 89:4227 90:692 91:8197 92:2419 93:2718
94:3749 95:4218 96:1274 97:316 98:1045 99:736
100:73 101:1171 102:3334 103:32328 104:4527 105:696
106:992 107:2369 108:1169 109:4091 110:2144 111:3287
112:2067 113:1815 114:1856 115:2096 116:1976 117:2672
118:2832 119:1982 120:1824 121:1408 122:2696 123:2286
124:1626 125:2864 126:64 128:1400 129:946 130:1202
131:1868 132:822 133:428 134:1470 135:312 136:1135
137:1104 138:2857 139:1531 140:1441 141:1455 142:1670
143:1642 144:1027 145:362 146:2116 147:2038 148:2538
149:2821 150:1060 151:1351 152:2236 153:501 154:6555
155:1426 156:2411 157:1805 158:1184 159:2449 160:2995
161:1700 162:3558 163:1748 164:1689 165:2155 166:1282
167:1852 168:4071 169:809 170:4942 171:1049 172:3899
173:3080 174:902 175:1253 176:3468 177:4645 178:3647
179:2208 180:2455 181:3824 182:3333 183:1977 184:2261
185:20974 186:4997 187:4347 188:4110 189:4134 190:9503
191:1511 192:11087 193:9237 194:7490 195:5321 196:3212
197:2657 198:6022 199:8047 200:8104 201:6246 202:10501
203:10409 204:4563 205:3698 206:4514 207:3643 208:4176
209:5085 210:4751 211:2637 212:4413 213:3640 214:1064
215:49 216:6719 217:2943 218:1400 219:602 220:2030
221:1046 222:866 223:2251
End of report
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