[SANOG] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Aug 23 18:02:49 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 24 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: 958528
Prefixes after maximum aggregation (per Origin AS): 364913
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 465265
Number of IPv4 prefixes with a valid ROA: 244364
Number of IPv4 prefixes with an invalid ROA: 1290
Number of IPv4 prefixes with no ROA: 712874
Total ASes present in the Internet Routing Table: 76116
Prefixes per ASN: 12.59
Origin-only ASes present in the Internet Routing Table: 65154
Origin ASes announcing only one prefix: 26786
Transit ASes present in the Internet Routing Table: 10962
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: 85
Max AS path prepend of ASN (152107) 80
Prefixes from unregistered ASNs in the Routing Table: 995
Number of instances of unregistered ASNs: 1005
Number of 32-bit ASNs allocated by the RIRs: 45218
Number of 32-bit ASNs visible in the Routing Table: 36948
Prefixes from 32-bit ASNs in the Routing Table: 192069
Number of bogon 32-bit ASNs visible in the Routing Table: 60
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 619
Number of addresses announced to Internet: 3035579648
Equivalent to 180 /8s, 239 /16s and 69 /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: 313674
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 257244
Total APNIC prefixes after maximum aggregation: 75378
APNIC Deaggregation factor: 3.41
Prefixes being announced from the APNIC address blocks: 249122
Unique aggregates announced from the APNIC address blocks: 102310
APNIC Region origin ASes present in the Internet Routing Table: 14330
APNIC Prefixes per ASN: 17.38
APNIC Region origin ASes announcing only one prefix: 4371
APNIC Region transit ASes present in the Internet Routing Table: 1925
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: 9740
Number of APNIC addresses announced to Internet: 762078848
Equivalent to 45 /8s, 108 /16s and 102 /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: 278939
Total ARIN prefixes after maximum aggregation: 125768
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 283050
Unique aggregates announced from the ARIN address blocks: 134559
ARIN Region origin ASes present in the Internet Routing Table: 19150
ARIN Prefixes per ASN: 14.78
ARIN Region origin ASes announcing only one prefix: 6965
ARIN Region transit ASes present in the Internet Routing Table: 1997
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: 4979
Number of ARIN addresses announced to Internet: 1266549248
Equivalent to 75 /8s, 126 /16s and 2 /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: 266708
Total RIPE prefixes after maximum aggregation: 128333
RIPE Deaggregation factor: 2.08
Prefixes being announced from the RIPE address blocks: 262583
Unique aggregates announced from the RIPE address blocks: 166163
RIPE Region origin ASes present in the Internet Routing Table: 28696
RIPE Prefixes per ASN: 9.15
RIPE Region origin ASes announcing only one prefix: 12101
RIPE Region transit ASes present in the Internet Routing Table: 3998
Average RIPE Region AS path length visible: 5.5
Max RIPE Region AS path length visible: 43
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11946
Number of RIPE addresses announced to Internet: 723801984
Equivalent to 43 /8s, 36 /16s and 87 /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: 122512
Total LACNIC prefixes after maximum aggregation: 28383
LACNIC Deaggregation factor: 4.32
Prefixes being announced from the LACNIC address blocks: 120351
Unique aggregates announced from the LACNIC address blocks: 47328
LACNIC Region origin ASes present in the Internet Routing Table: 11149
LACNIC Prefixes per ASN: 10.79
LACNIC Region origin ASes announcing only one prefix: 2670
LACNIC Region transit ASes present in the Internet Routing Table: 2468
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: 9049
Number of LACNIC addresses announced to Internet: 178376960
Equivalent to 10 /8s, 161 /16s and 209 /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: 32130
Total AfriNIC prefixes after maximum aggregation: 6395
AfriNIC Deaggregation factor: 5.02
Prefixes being announced from the AfriNIC address blocks: 42803
Unique aggregates announced from the AfriNIC address blocks: 14380
AfriNIC Region origin ASes present in the Internet Routing Table: 1873
AfriNIC Prefixes per ASN: 22.85
AfriNIC Region origin ASes announcing only one prefix: 679
AfriNIC Region transit ASes present in the Internet Routing Table: 368
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: 1234
Number of AfriNIC addresses announced to Internet: 104441856
Equivalent to 6 /8s, 57 /16s and 168 /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 9907 8747 80 CHINAMOBILE-CN China Mobile Communication
7545 5700 841 659 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4938 4192 74 ERX-CERNET-BKB China Education and Resear
18403 4307 347 23 FPT-AS-AP FPT Telecom Company, VN
7552 3950 1331 22 VIETEL-AS-AP Viettel Group, VN
9498 3787 508 259 BBIL-AP BHARTI Airtel Ltd., IN
7713 3648 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3253 1841 101 VNPT-AS-VN VNPT Corp, VN
24560 2779 819 487 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2268 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 10492 11773 3746 AMAZON-02, US
11492 4628 308 547 CABLEONE, US
7155 4166 287 88 VIASAT-SP-BACKBONE, US
174 3821 8782 903 COGENT-174, US
6327 3601 1320 79 SHAW, CA
22773 3421 3035 186 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54897 2506 DNIC-AS-00749, US
16625 3049 1266 2130 AKAMAI-AS, US
7018 2949 23675 1859 ATT-INTERNET4, US
396982 2788 3567 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 7706 1708 145 UNI2-AS, ES
39891 4539 273 57 ALJAWWALSTC-AS, SA
20940 3791 3396 133 AKAMAI-ASN1, NL
9009 3667 313 1860 M247, RO
12389 2937 2301 886 ROSTELECOM-AS, RU
34984 2330 359 584 TELLCOM-AS, TR
8551 1780 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet
212238 1764 126 1296 CDNEXT, GB
13188 1607 100 26 TRIOLAN, UA
8452 1578 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 11823 3291 511 UNINET, MX
10620 3536 493 930 Telmex Colombia S.A., CO
13999 2532 629 22 Mega Cable, S.A. de C.V., MX
11830 2008 369 64 Instituto Costarricense de Electricidad y
28573 1339 2310 257 Claro NXT Telecomunicacoes Ltda, BR
3816 1320 777 205 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO
6503 1149 374 163 Axtel, S.A.B. de C.V., MX
22884 1068 98 368 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
26615 1050 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 1610 389 16 LINKdotNET-AS, EG
24835 1562 593 29 RAYA-AS, EG
36992 1411 1519 283 ETISALAT-MISR, EG
29571 1329 84 73 ORANGE-COTE-IVOIRE, CI
36903 1249 554 96 MT-MPLS, MA
36935 939 521 42 Vodafone-, EG
6713 556 1861 35 IAM-AS, MA
36914 551 82 3 KENET-AS, KE
15399 491 54 46 WANANCHI-, KE
24757 437 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 11823 3291 511 UNINET, MX
16509 10492 11773 3746 AMAZON-02, US
9808 9907 8747 80 CHINAMOBILE-CN China Mobile Communication
12479 7706 1708 145 UNI2-AS, ES
7545 5700 841 659 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4938 4192 74 ERX-CERNET-BKB China Education and Resear
11492 4628 308 547 CABLEONE, US
39891 4539 273 57 ALJAWWALSTC-AS, SA
18403 4307 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 9907 9827 CHINAMOBILE-CN China Mobile Communications Grou
12479 7706 7561 UNI2-AS, ES
16509 10492 6746 AMAZON-02, US
7545 5700 5041 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4938 4864 ERX-CERNET-BKB China Education and Research Net
39891 4539 4482 ALJAWWALSTC-AS, SA
18403 4307 4284 FPT-AS-AP FPT Telecom Company, VN
11492 4628 4081 CABLEONE, US
7155 4166 4078 VIASAT-SP-BACKBONE, US
7552 3950 3928 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
/13:579 /14:1166 /15:2063 /16:13239 /17:8266 /18:13734
/19:24727 /20:44353 /21:52005 /22:111867 /23:100320 /24:585041
/25:712 /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 6775 7706 UNI2-AS, ES
8151 5938 11823 UNINET, MX
11492 3539 4628 CABLEONE, US
6327 3397 3601 SHAW, CA
39891 3361 4539 ALJAWWALSTC-AS, SA
7155 3111 4166 VIASAT-SP-BACKBONE, US
22773 2560 3421 ASN-CXA-ALL-CCI-22773-RDC, US
10620 2165 3536 Telmex Colombia S.A., CO
30036 2156 2494 MEDIACOM-ENTERPRISE-BUSINESS, US
16509 2124 10492 AMAZON-02, US
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2325 2:1542 3:439 4:6 5:4452 6:162
7:6 8:1518 9:1 11:172 12:1430 13:351
14:2399 15:327 16:259 17:364 18:864 20:404
21:4 22:188 23:6818 24:2689 25:2 27:2562
29:19 31:2676 32:47 34:66 35:138 36:2357
37:4521 38:8339 39:918 40:147 41:4119 42:2034
43:2438 44:331 45:17500 46:4657 47:299 49:2036
50:1853 51:579 52:1574 54:316 55:945 56:8
57:214 58:2246 59:1270 60:1062 61:2716 62:2785
63:1858 64:5458 65:2282 66:4655 67:3012 68:1344
69:4033 70:1150 71:561 72:2854 74:2647 75:1560
76:619 77:2511 78:1856 79:1780 80:2188 81:2031
82:1661 83:1372 84:1713 85:3173 86:963 87:2304
88:1252 89:4243 90:689 91:8210 92:2438 93:2715
94:3759 95:4219 96:1274 97:316 98:1046 99:733
100:73 101:1174 102:3523 103:32349 104:4528 105:698
106:995 107:2376 108:1171 109:4085 110:2137 111:3291
112:2062 113:1810 114:1858 115:2095 116:1982 117:2672
118:2856 119:1983 120:1825 121:1407 122:2692 123:2285
124:1619 125:2863 126:64 128:1402 129:945 130:1202
131:1869 132:817 133:428 134:1472 135:310 136:1136
137:1105 138:2861 139:1532 140:1441 141:1455 142:1671
143:1609 144:1025 145:365 146:2118 147:2032 148:2534
149:2819 150:1058 151:1358 152:2119 153:501 154:6561
155:1427 156:2404 157:1795 158:1186 159:2450 160:3002
161:1709 162:3554 163:1747 164:1685 165:2145 166:1285
167:1856 168:4084 169:815 170:4986 171:1046 172:3916
173:3083 174:903 175:1240 176:3459 177:4811 178:3641
179:2227 180:2461 181:3844 182:3337 183:1996 184:2257
185:20998 186:4989 187:4313 188:4107 189:4147 190:9496
191:1504 192:11077 193:9233 194:7504 195:5329 196:3224
197:2903 198:6062 199:8066 200:8129 201:6312 202:10495
203:10412 204:4579 205:3699 206:4543 207:3647 208:4181
209:5092 210:4753 211:2654 212:4419 213:3675 214:1061
215:48 216:6715 217:2927 218:1403 219:602 220:2029
221:1048 222:866 223:2258
End of report
More information about the sanog
mailing list