[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Dec 22 18:02:21 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 Dec, 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: 938320
Prefixes after maximum aggregation (per Origin AS): 357697
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 455871
Total ASes present in the Internet Routing Table: 75194
Prefixes per ASN: 12.48
Origin-only ASes present in the Internet Routing Table: 64510
Origin ASes announcing only one prefix: 26559
Transit ASes present in the Internet Routing Table: 10684
Transit-only ASes present in the Internet Routing Table: 478
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 121
Max AS path prepend of ASN (150315) 116
Prefixes from unregistered ASNs in the Routing Table: 1046
Number of instances of unregistered ASNs: 1048
Number of 32-bit ASNs allocated by the RIRs: 43262
Number of 32-bit ASNs visible in the Routing Table: 35597
Prefixes from 32-bit ASNs in the Routing Table: 179298
Number of bogon 32-bit ASNs visible in the Routing Table: 19
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 510
Number of addresses announced to Internet: 3048268032
Equivalent to 181 /8s, 176 /16s and 225 /24s
Percentage of available address space announced: 82.3
Percentage of allocated address space announced: 82.3
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: 311106
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 250420
Total APNIC prefixes after maximum aggregation: 72334
APNIC Deaggregation factor: 3.46
Prefixes being announced from the APNIC address blocks: 243490
Unique aggregates announced from the APNIC address blocks: 99600
APNIC Region origin ASes present in the Internet Routing Table: 13859
APNIC Prefixes per ASN: 17.57
APNIC Region origin ASes announcing only one prefix: 4169
APNIC Region transit ASes present in the Internet Routing Table: 1868
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 121
Number of APNIC region 32-bit ASNs visible in the Routing Table: 9209
Number of APNIC addresses announced to Internet: 771127168
Equivalent to 45 /8s, 246 /16s and 119 /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: 273923
Total ARIN prefixes after maximum aggregation: 124653
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 278717
Unique aggregates announced from the ARIN address blocks: 132754
ARIN Region origin ASes present in the Internet Routing Table: 19074
ARIN Prefixes per ASN: 14.61
ARIN Region origin ASes announcing only one prefix: 6947
ARIN Region transit ASes present in the Internet Routing Table: 1947
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4825
Number of ARIN addresses announced to Internet: 1276079616
Equivalent to 76 /8s, 15 /16s and 110 /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: 262377
Total RIPE prefixes after maximum aggregation: 125089
RIPE Deaggregation factor: 2.10
Prefixes being announced from the RIPE address blocks: 256978
Unique aggregates announced from the RIPE address blocks: 160861
RIPE Region origin ASes present in the Internet Routing Table: 28508
RIPE Prefixes per ASN: 9.01
RIPE Region origin ASes announcing only one prefix: 12121
RIPE Region transit ASes present in the Internet Routing Table: 3945
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 39
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11496
Number of RIPE addresses announced to Internet: 714582400
Equivalent to 42 /8s, 151 /16s and 169 /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: 120221
Total LACNIC prefixes after maximum aggregation: 28877
LACNIC Deaggregation factor: 4.16
Prefixes being announced from the LACNIC address blocks: 118920
Unique aggregates announced from the LACNIC address blocks: 49457
LACNIC Region origin ASes present in the Internet Routing Table: 11061
LACNIC Prefixes per ASN: 10.75
LACNIC Region origin ASes announcing only one prefix: 2675
LACNIC Region transit ASes present in the Internet Routing Table: 2370
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: 8908
Number of LACNIC addresses announced to Internet: 178445056
Equivalent to 10 /8s, 162 /16s and 219 /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: 30333
Total AfriNIC prefixes after maximum aggregation: 6031
AfriNIC Deaggregation factor: 5.03
Prefixes being announced from the AfriNIC address blocks: 39705
Unique aggregates announced from the AfriNIC address blocks: 12778
AfriNIC Region origin ASes present in the Internet Routing Table: 1819
AfriNIC Prefixes per ASN: 21.83
AfriNIC Region origin ASes announcing only one prefix: 647
AfriNIC Region transit ASes present in the Internet Routing Table: 351
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1159
Number of AfriNIC addresses announced to Internet: 107744768
Equivalent to 6 /8s, 108 /16s and 14 /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 9797 8738 50 CHINAMOBILE-CN China Mobile Communicati
7545 5677 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4927 4192 75 ERX-CERNET-BKB China Education and Rese
18403 4529 347 25 FPT-AS-AP FPT Telecom Company, VN
7713 3603 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon
9498 3408 495 254 BBIL-AP BHARTI Airtel Ltd., IN
45899 3269 1872 99 VNPT-AS-VN VNPT Corp, VN
7552 3025 1330 20 VIETEL-AS-AP Viettel Group, VN
24560 2658 856 374 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
4766 2483 11259 585 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 9433 11194 3364 AMAZON-02, US
11492 4562 303 680 CABLEONE, US
7155 4173 288 96 VIASAT-SP-BACKBONE, US
6327 3567 1320 69 SHAW, CA
22773 3480 3054 298 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3207 1420 2334 AKAMAI-AS, US
749 3162 54930 2414 DNIC-AS-00749, US
367 2971 3860 1419 DNIC-ASBLK-00306-00371, US
396982 2740 3639 386 GOOGLE-CLOUD-PLATFORM, US
7018 2521 23623 1569 ATT-INTERNET4, 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 7565 1714 146 UNI2-AS, ES
39891 4570 271 54 ALJAWWALSTC-AS, SA
20940 3996 3397 140 AKAMAI-ASN1, NL
9009 3497 301 1637 M247, RO
8551 3368 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 3009 2300 911 ROSTELECOM-AS, RU
34984 2332 360 595 TELLCOM-AS, TR
13188 1607 100 26 TRIOLAN, UA
58224 1524 872 586 TCI, IR
44477 1447 95 715 STARK-INDUSTRIES, GB
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 12144 3381 593 UNINET, MX
10620 3519 497 886 Telmex Colombia S.A., CO
13999 2493 339 636 Mega Cable, S.A. de C.V., MX
11830 2004 369 64 Instituto Costarricense de Electricidad
28573 1345 2318 237 Claro NXT Telecomunicacoes Ltda, BR
3816 1307 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6503 1244 341 502 Axtel, S.A.B. de C.V., MX
11664 1099 177 430 Techtel LMDS Comunicaciones Interactiva
6147 1088 369 22 Telefonica del Peru S.A.A., PE
22884 1067 115 378 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
24835 1548 545 28 RAYA-AS, EG
24863 1545 389 16 LINKdotNET-AS, EG
36992 1360 1518 280 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
29571 1053 68 50 ORANGE-COTE-IVOIRE, CI
36935 936 521 43 Vodafone-, EG
6713 551 1861 34 IAM-AS, MA
15399 533 55 54 WANANCHI-, KE
36914 515 82 3 KENET-AS, KE
37342 490 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 12144 3381 593 UNINET, MX
9808 9797 8738 50 CHINAMOBILE-CN China Mobile Communicati
16509 9433 11194 3364 AMAZON-02, US
12479 7565 1714 146 UNI2-AS, ES
7545 5677 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4927 4192 75 ERX-CERNET-BKB China Education and Rese
39891 4570 271 54 ALJAWWALSTC-AS, SA
11492 4562 303 680 CABLEONE, US
18403 4529 347 25 FPT-AS-AP FPT Telecom Company, VN
7155 4173 288 96 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 9797 9747 CHINAMOBILE-CN China Mobile Communications Grou
12479 7565 7419 UNI2-AS, ES
16509 9433 6069 AMAZON-02, US
7545 5677 4990 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4927 4852 ERX-CERNET-BKB China Education and Research Net
39891 4570 4516 ALJAWWALSTC-AS, SA
18403 4529 4504 FPT-AS-AP FPT Telecom Company, VN
7155 4173 4077 VIASAT-SP-BACKBONE, US
11492 4562 3882 CABLEONE, US
20940 3996 3856 AKAMAI-ASN1, NL
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
65536 DOCUMENT 5.102.30.0/24 65512 -Private Use AS-, ZZ
33492 UNALLOCATED 8.6.184.0/23 33650 COMCAST-33650, US
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
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
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 /10:38 /11:99 /12:298
/13:581 /14:1193 /15:2063 /16:13445 /17:8277 /18:13823
/19:25161 /20:44404 /21:51706 /22:110683 /23:99704 /24:566080
/25:735 /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 6653 7565 UNI2-AS, ES
8151 6158 12144 UNINET, MX
11492 3476 4562 CABLEONE, US
6327 3371 3567 SHAW, CA
39891 3324 4570 ALJAWWALSTC-AS, SA
7155 3117 4173 VIASAT-SP-BACKBONE, US
8551 2845 3368 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2533 3480 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2130 2473 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2122 3519 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2313 2:1411 3:281 4:5 5:4390 6:163
7:6 8:1531 9:1 11:172 12:1488 13:374
14:2336 15:309 16:206 17:362 18:707 20:344
21:4 22:188 23:6574 24:2607 25:2 27:2514
29:19 31:2546 32:56 34:35 35:119 36:2102
37:4489 38:5768 39:882 40:147 41:4118 42:2197
43:2324 44:325 45:16677 46:4399 47:285 49:1911
50:1897 51:573 52:1595 54:376 55:886 56:5
57:129 58:1930 59:1175 60:1012 61:2576 62:2745
63:1911 64:5501 65:2337 66:5011 67:3046 68:1330
69:4051 70:1170 71:609 72:2928 74:2640 75:1548
76:629 77:2340 78:1826 79:3015 80:2112 81:1869
82:1520 83:1325 84:1626 85:2990 86:790 87:1968
88:1228 89:3961 90:658 91:7905 92:2172 93:2639
94:3587 95:3997 96:1299 97:316 98:1017 99:737
100:94 101:1155 102:3017 103:32510 104:4795 105:601
106:988 107:2763 108:1146 109:4175 110:2141 111:3206
112:2084 113:1780 114:1758 115:2000 116:1957 117:2513
118:2767 119:1945 120:1806 121:1303 122:2647 123:2221
124:1646 125:2805 128:1479 129:919 130:1067 131:1968
132:831 133:409 134:1708 135:292 136:911 137:1023
138:2740 139:1569 140:1342 141:1350 142:1541 143:1536
144:1004 145:338 146:2018 147:1640 148:2483 149:2395
150:1015 151:1311 152:1849 153:529 154:5411 155:1369
156:2120 157:1369 158:1081 159:2207 160:2617 161:1617
162:3598 163:1639 164:1630 165:1855 166:1079 167:1746
168:3857 169:791 170:4721 171:981 172:3769 173:3021
174:896 175:1217 176:3600 177:4671 178:3529 179:2224
180:2340 181:3617 182:3447 183:2028 184:2271 185:20481
186:4850 187:4309 188:3938 189:3959 190:9347 191:1516
192:11035 193:8993 194:7349 195:5226 196:3132 197:2637
198:6017 199:6844 200:8109 201:6245 202:10574 203:10087
204:4592 205:3686 206:4443 207:3495 208:4101 209:4947
210:4611 211:2589 212:4211 213:3379 214:1117 215:49
216:6769 217:2768 218:1327 219:589 220:2029 221:1021
222:881 223:2226
End of report
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