[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Sep 22 18:02:09 UTC 2023
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 23 Sep, 2023
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: 929881
Prefixes after maximum aggregation (per Origin AS): 353419
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 453344
Total ASes present in the Internet Routing Table: 74825
Prefixes per ASN: 12.43
Origin-only ASes present in the Internet Routing Table: 64232
Origin ASes announcing only one prefix: 26380
Transit ASes present in the Internet Routing Table: 10593
Transit-only ASes present in the Internet Routing Table: 458
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 55
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1002
Number of instances of unregistered ASNs: 1004
Number of 32-bit ASNs allocated by the RIRs: 42661
Number of 32-bit ASNs visible in the Routing Table: 35122
Prefixes from 32-bit ASNs in the Routing Table: 175584
Number of bogon 32-bit ASNs visible in the Routing Table: 54
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 541
Number of addresses announced to Internet: 3055111680
Equivalent to 182 /8s, 25 /16s and 78 /24s
Percentage of available address space announced: 82.5
Percentage of allocated address space announced: 82.5
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.5
Total number of prefixes smaller than registry allocations: 309250
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 246637
Total APNIC prefixes after maximum aggregation: 70924
APNIC Deaggregation factor: 3.48
Prefixes being announced from the APNIC address blocks: 240295
Unique aggregates announced from the APNIC address blocks: 98953
APNIC Region origin ASes present in the Internet Routing Table: 13644
APNIC Prefixes per ASN: 17.61
APNIC Region origin ASes announcing only one prefix: 4058
APNIC Region transit ASes present in the Internet Routing Table: 1813
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 27
Number of APNIC region 32-bit ASNs visible in the Routing Table: 8972
Number of APNIC addresses announced to Internet: 772870016
Equivalent to 46 /8s, 17 /16s and 15 /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: 272536
Total ARIN prefixes after maximum aggregation: 123786
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 275896
Unique aggregates announced from the ARIN address blocks: 131744
ARIN Region origin ASes present in the Internet Routing Table: 19093
ARIN Prefixes per ASN: 14.45
ARIN Region origin ASes announcing only one prefix: 6946
ARIN Region transit ASes present in the Internet Routing Table: 1966
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4825
Number of ARIN addresses announced to Internet: 1278757632
Equivalent to 76 /8s, 56 /16s and 75 /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, 393216-401308
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: 261391
Total RIPE prefixes after maximum aggregation: 123556
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 256814
Unique aggregates announced from the RIPE address blocks: 160087
RIPE Region origin ASes present in the Internet Routing Table: 28412
RIPE Prefixes per ASN: 9.04
RIPE Region origin ASes announcing only one prefix: 12057
RIPE Region transit ASes present in the Internet Routing Table: 3940
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11344
Number of RIPE addresses announced to Internet: 716872832
Equivalent to 42 /8s, 186 /16s and 156 /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: 118492
Total LACNIC prefixes after maximum aggregation: 28501
LACNIC Deaggregation factor: 4.16
Prefixes being announced from the LACNIC address blocks: 117425
Unique aggregates announced from the LACNIC address blocks: 49264
LACNIC Region origin ASes present in the Internet Routing Table: 11035
LACNIC Prefixes per ASN: 10.64
LACNIC Region origin ASes announcing only one prefix: 2700
LACNIC Region transit ASes present in the Internet Routing Table: 2331
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 55
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8853
Number of LACNIC addresses announced to Internet: 178424320
Equivalent to 10 /8s, 162 /16s and 138 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + 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: 29823
Total AfriNIC prefixes after maximum aggregation: 5950
AfriNIC Deaggregation factor: 5.01
Prefixes being announced from the AfriNIC address blocks: 38910
Unique aggregates announced from the AfriNIC address blocks: 12846
AfriNIC Region origin ASes present in the Internet Routing Table: 1786
AfriNIC Prefixes per ASN: 21.79
AfriNIC Region origin ASes announcing only one prefix: 619
AfriNIC Region transit ASes present in the Internet Routing Table: 333
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1128
Number of AfriNIC addresses announced to Internet: 107757824
Equivalent to 6 /8s, 108 /16s and 65 /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 9487 8729 41 CHINAMOBILE-CN China Mobile Communicati
7545 5728 785 691 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4939 4192 75 ERX-CERNET-BKB China Education and Rese
18403 4272 347 25 FPT-AS-AP FPT Telecom Company, VN
7713 3593 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3323 1824 97 VNPT-AS-VN VNPT Corp, VN
9498 3151 498 251 BBIL-AP BHARTI Airtel Ltd., IN
7552 2929 1330 20 VIETEL-AS-AP Viettel Group, VN
4766 2542 11270 601 KIXS-AS-KR Korea Telecom, KR
24560 2515 849 387 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
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 9120 10999 3263 AMAZON-02, US
11492 4532 301 669 CABLEONE, US
7155 4181 289 102 VIASAT-SP-BACKBONE, US
6327 3542 1319 66 SHAW, CA
22773 3540 3055 303 ASN-CXA-ALL-CCI-22773-RDC, US
749 3151 54959 2403 DNIC-AS-00749, US
367 3003 3840 1441 DNIC-ASBLK-00306-00371, US
16625 2984 1419 2276 AKAMAI-AS, US
396982 2699 3597 392 GOOGLE-CLOUD-PLATFORM, US
30036 2498 358 381 MEDIACOM-ENTERPRISE-BUSINESS, 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 7392 1713 145 UNI2-AS, ES
39891 4897 290 61 ALJAWWALSTC-AS, SA
20940 4060 3398 153 AKAMAI-ASN1, NL
8551 3457 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2982 2296 915 ROSTELECOM-AS, RU
9009 2762 256 1417 M247, RO
34984 2333 362 592 TELLCOM-AS, TR
58224 1747 928 513 TCI, IR
13188 1606 100 27 TRIOLAN, UA
8452 1476 1852 16 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 11835 3367 595 UNINET, MX
10620 3542 506 852 Telmex Colombia S.A., CO
13999 2405 334 622 Mega Cable, S.A. de C.V., MX
11830 2002 369 64 Instituto Costarricense de Electricidad
28573 1327 2324 232 Claro NXT Telecomunicacoes Ltda, BR
6503 1302 344 510 Axtel, S.A.B. de C.V., MX
3816 1295 764 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11664 1116 180 430 Techtel LMDS Comunicaciones Interactiva
6147 1112 369 22 Telefonica del Peru S.A.A., PE
26615 1031 2501 49 TIM SA, BR
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 1606 393 19 LINKdotNET-AS, EG
24835 1549 549 28 RAYA-AS, EG
36992 1360 1518 280 ETISALAT-MISR, EG
36903 1242 550 99 MT-MPLS, MA
29571 1046 67 45 ORANGE-COTE-IVOIRE, CI
36935 937 521 44 Vodafone-, EG
6713 550 1861 34 IAM-AS, MA
15399 529 55 50 WANANCHI-, KE
37342 489 32 1 MOVITEL, MZ
24757 473 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 11835 3367 595 UNINET, MX
9808 9487 8729 41 CHINAMOBILE-CN China Mobile Communicati
16509 9120 10999 3263 AMAZON-02, US
12479 7392 1713 145 UNI2-AS, ES
7545 5728 785 691 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4939 4192 75 ERX-CERNET-BKB China Education and Rese
39891 4897 290 61 ALJAWWALSTC-AS, SA
11492 4532 301 669 CABLEONE, US
18403 4272 347 25 FPT-AS-AP FPT Telecom Company, VN
7155 4181 289 102 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 9487 9446 CHINAMOBILE-CN China Mobile Communications Grou
12479 7392 7247 UNI2-AS, ES
16509 9120 5857 AMAZON-02, US
7545 5728 5037 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4939 4864 ERX-CERNET-BKB China Education and Research Net
39891 4897 4836 ALJAWWALSTC-AS, SA
18403 4272 4247 FPT-AS-AP FPT Telecom Company, VN
7155 4181 4079 VIASAT-SP-BACKBONE, US
20940 4060 3907 AKAMAI-ASN1, NL
11492 4532 3863 CABLEONE, US
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
33492 UNALLOCATED 8.6.184.0/23 33650 COMCAST-33650, US
33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US
12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M
40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, 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 LIGHTOWER, US
396894 UNALLOCATED 8.28.201.0/24 46887 LIGHTOWER, US
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US
54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, 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
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
23.176.160.0/24 Origin: 397327 RESERVED, ZZ
23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US
23.189.192.0/24 Origin: 27593 RESERVED, ZZ
23.189.192.0/24 Transit: 174 COGENT-174, US
36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road,
36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin
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 /10:39 /11:101 /12:297
/13:578 /14:1197 /15:2067 /16:13492 /17:8279 /18:13864
/19:25160 /20:44368 /21:51221 /22:110249 /23:99088 /24:559109
/25:742 /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 6479 7392 UNI2-AS, ES
8151 5869 11835 UNINET, MX
39891 3632 4897 ALJAWWALSTC-AS, SA
11492 3444 4532 CABLEONE, US
6327 3352 3542 SHAW, CA
7155 3126 4181 VIASAT-SP-BACKBONE, US
8551 2925 3457 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2589 3540 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2156 2498 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2106 3542 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2237 2:1419 3:265 4:5 5:4494 6:135
7:6 8:1538 9:1 11:172 12:1510 13:375
14:2327 15:303 16:198 17:369 18:652 20:286
21:4 22:188 23:6418 24:2510 25:2 27:2528
29:19 31:2524 32:77 34:26 35:117 36:2005
37:4523 38:5348 39:870 40:146 41:3992 42:2087
43:2300 44:322 45:16638 46:4303 47:370 49:1836
50:1884 51:598 52:1595 54:392 55:963 56:5
57:122 58:1869 59:1182 60:1001 61:2515 62:2684
63:1917 64:5664 65:2348 66:4943 67:3036 68:1341
69:4150 70:1192 71:662 72:2940 74:2623 75:1561
76:624 77:2298 78:1827 79:2986 80:2106 81:1817
82:1488 83:1297 84:1548 85:3073 86:765 87:2006
88:1165 89:3895 90:620 91:7810 92:2065 93:2622
94:3513 95:4026 96:1300 97:315 98:1080 99:735
100:90 101:1079 102:2844 103:32084 104:4733 105:576
106:896 107:2689 108:1129 109:4238 110:2130 111:3192
112:2066 113:1817 114:1691 115:1987 116:1901 117:2457
118:2688 119:1967 120:1803 121:1180 122:2616 123:2203
124:1614 125:2543 128:1475 129:926 130:1043 131:1973
132:826 133:408 134:1785 135:305 136:974 137:972
138:2632 139:1582 140:1175 141:1316 142:1513 143:1555
144:1008 145:349 146:1950 147:1603 148:2445 149:2260
150:875 151:1231 152:1870 153:521 154:5109 155:1388
156:1954 157:1343 158:1086 159:2239 160:2611 161:1589
162:3536 163:1613 164:1700 165:1844 166:1072 167:1739
168:3753 169:883 170:4653 171:915 172:3756 173:2970
174:984 175:1197 176:3780 177:4429 178:3529 179:2135
180:2474 181:3515 182:3362 183:1986 184:2283 185:20596
186:4701 187:4185 188:4167 189:3859 190:9222 191:1373
192:11005 193:8971 194:7297 195:5222 196:3099 197:2444
198:5996 199:6127 200:7925 201:6033 202:10557 203:10021
204:4552 205:3694 206:4382 207:3501 208:4165 209:4945
210:4495 211:2533 212:4260 213:3410 214:1114 215:57
216:6710 217:2776 218:1303 219:577 220:2023 221:981
222:842 223:2164
End of report
More information about the afnog
mailing list