[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Dec 1 18:02:13 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 02 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: 935768
Prefixes after maximum aggregation (per Origin AS): 356557
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 455208
Total ASes present in the Internet Routing Table: 75073
Prefixes per ASN: 12.46
Origin-only ASes present in the Internet Routing Table: 64404
Origin ASes announcing only one prefix: 26492
Transit ASes present in the Internet Routing Table: 10669
Transit-only ASes present in the Internet Routing Table: 483
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: 1061
Number of instances of unregistered ASNs: 1063
Number of 32-bit ASNs allocated by the RIRs: 43144
Number of 32-bit ASNs visible in the Routing Table: 35456
Prefixes from 32-bit ASNs in the Routing Table: 178175
Number of bogon 32-bit ASNs visible in the Routing Table: 31
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 546
Number of addresses announced to Internet: 3048735744
Equivalent to 181 /8s, 184 /16s and 4 /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: 310346
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 249452
Total APNIC prefixes after maximum aggregation: 71994
APNIC Deaggregation factor: 3.46
Prefixes being announced from the APNIC address blocks: 242709
Unique aggregates announced from the APNIC address blocks: 99551
APNIC Region origin ASes present in the Internet Routing Table: 13806
APNIC Prefixes per ASN: 17.58
APNIC Region origin ASes announcing only one prefix: 4163
APNIC Region transit ASes present in the Internet Routing Table: 1851
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 32
Number of APNIC region 32-bit ASNs visible in the Routing Table: 9140
Number of APNIC addresses announced to Internet: 771358336
Equivalent to 45 /8s, 249 /16s and 254 /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: 273323
Total ARIN prefixes after maximum aggregation: 124284
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 278074
Unique aggregates announced from the ARIN address blocks: 132552
ARIN Region origin ASes present in the Internet Routing Table: 19077
ARIN Prefixes per ASN: 14.58
ARIN Region origin ASes announcing only one prefix: 6952
ARIN Region transit ASes present in the Internet Routing Table: 1959
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: 1276777216
Equivalent to 76 /8s, 26 /16s and 19 /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: 262146
Total RIPE prefixes after maximum aggregation: 124722
RIPE Deaggregation factor: 2.10
Prefixes being announced from the RIPE address blocks: 256570
Unique aggregates announced from the RIPE address blocks: 160402
RIPE Region origin ASes present in the Internet Routing Table: 28462
RIPE Prefixes per ASN: 9.01
RIPE Region origin ASes announcing only one prefix: 12087
RIPE Region transit ASes present in the Internet Routing Table: 3941
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 37
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11454
Number of RIPE addresses announced to Internet: 714341504
Equivalent to 42 /8s, 147 /16s and 252 /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: 119707
Total LACNIC prefixes after maximum aggregation: 28849
LACNIC Deaggregation factor: 4.15
Prefixes being announced from the LACNIC address blocks: 118494
Unique aggregates announced from the LACNIC address blocks: 49476
LACNIC Region origin ASes present in the Internet Routing Table: 11040
LACNIC Prefixes per ASN: 10.73
LACNIC Region origin ASes announcing only one prefix: 2659
LACNIC Region transit ASes present in the Internet Routing Table: 2341
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: 8891
Number of LACNIC addresses announced to Internet: 178378496
Equivalent to 10 /8s, 161 /16s and 215 /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: 30079
Total AfriNIC prefixes after maximum aggregation: 6012
AfriNIC Deaggregation factor: 5.00
Prefixes being announced from the AfriNIC address blocks: 39375
Unique aggregates announced from the AfriNIC address blocks: 12789
AfriNIC Region origin ASes present in the Internet Routing Table: 1805
AfriNIC Prefixes per ASN: 21.81
AfriNIC Region origin ASes announcing only one prefix: 631
AfriNIC Region transit ASes present in the Internet Routing Table: 349
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1146
Number of AfriNIC addresses announced to Internet: 107509760
Equivalent to 6 /8s, 104 /16s and 120 /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 9761 8730 44 CHINAMOBILE-CN China Mobile Communicati
7545 5681 785 696 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4919 4192 75 ERX-CERNET-BKB China Education and Rese
18403 4388 347 25 FPT-AS-AP FPT Telecom Company, VN
7713 3601 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon
9498 3384 494 250 BBIL-AP BHARTI Airtel Ltd., IN
45899 3264 1872 99 VNPT-AS-VN VNPT Corp, VN
7552 2987 1330 20 VIETEL-AS-AP Viettel Group, VN
24560 2633 853 369 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
4766 2484 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 9360 11175 3339 AMAZON-02, US
11492 4556 302 677 CABLEONE, US
7155 4172 288 95 VIASAT-SP-BACKBONE, US
6327 3559 1320 68 SHAW, CA
22773 3510 3055 301 ASN-CXA-ALL-CCI-22773-RDC, US
749 3164 54930 2416 DNIC-AS-00749, US
16625 3157 1401 2315 AKAMAI-AS, US
367 2995 3844 1423 DNIC-ASBLK-00306-00371, US
396982 2722 3631 372 GOOGLE-CLOUD-PLATFORM, US
7018 2571 23618 1605 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 7511 1714 146 UNI2-AS, ES
39891 4570 271 54 ALJAWWALSTC-AS, SA
20940 4004 3397 142 AKAMAI-ASN1, NL
9009 3465 299 1610 M247, RO
8551 3436 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2950 2299 909 ROSTELECOM-AS, RU
34984 2327 361 586 TELLCOM-AS, TR
58224 1611 895 587 TCI, IR
13188 1607 100 26 TRIOLAN, UA
8452 1515 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 12108 3377 602 UNINET, MX
10620 3525 499 870 Telmex Colombia S.A., CO
13999 2475 338 645 Mega Cable, S.A. de C.V., MX
11830 2009 369 64 Instituto Costarricense de Electricidad
28573 1339 2321 242 Claro NXT Telecomunicacoes Ltda, BR
3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6503 1248 341 504 Axtel, S.A.B. de C.V., MX
11664 1084 173 434 Techtel LMDS Comunicaciones Interactiva
6147 1083 369 22 Telefonica del Peru S.A.A., PE
26615 1048 2502 52 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 1594 389 16 LINKdotNET-AS, EG
24835 1548 545 28 RAYA-AS, EG
36992 1359 1518 280 ETISALAT-MISR, EG
36903 1248 553 98 MT-MPLS, MA
29571 1046 67 51 ORANGE-COTE-IVOIRE, CI
36935 936 521 43 Vodafone-, EG
6713 550 1861 34 IAM-AS, MA
15399 535 55 54 WANANCHI-, KE
37342 492 32 1 MOVITEL, MZ
24757 482 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 12108 3377 602 UNINET, MX
9808 9761 8730 44 CHINAMOBILE-CN China Mobile Communicati
16509 9360 11175 3339 AMAZON-02, US
12479 7511 1714 146 UNI2-AS, ES
7545 5681 785 696 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4919 4192 75 ERX-CERNET-BKB China Education and Rese
39891 4570 271 54 ALJAWWALSTC-AS, SA
11492 4556 302 677 CABLEONE, US
18403 4388 347 25 FPT-AS-AP FPT Telecom Company, VN
7155 4172 288 95 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 9761 9717 CHINAMOBILE-CN China Mobile Communications Grou
12479 7511 7365 UNI2-AS, ES
16509 9360 6021 AMAZON-02, US
7545 5681 4985 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4919 4844 ERX-CERNET-BKB China Education and Research Net
39891 4570 4516 ALJAWWALSTC-AS, SA
18403 4388 4363 FPT-AS-AP FPT Telecom Company, VN
7155 4172 4077 VIASAT-SP-BACKBONE, US
11492 4556 3879 CABLEONE, US
20940 4004 3862 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
/13:582 /14:1191 /15:2062 /16:13464 /17:8297 /18:13824
/19:25122 /20:44345 /21:51569 /22:110719 /23:99649 /24:563748
/25:731 /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 6604 7511 UNI2-AS, ES
8151 6127 12108 UNINET, MX
11492 3470 4556 CABLEONE, US
6327 3367 3559 SHAW, CA
39891 3324 4570 ALJAWWALSTC-AS, SA
7155 3119 4172 VIASAT-SP-BACKBONE, US
8551 2913 3436 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2563 3510 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2137 2481 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2118 3525 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2269 2:1433 3:278 4:5 5:4393 6:160
7:6 8:1531 9:1 11:172 12:1491 13:373
14:2324 15:303 16:205 17:362 18:691 20:319
21:4 22:188 23:6522 24:2570 25:2 27:2525
29:19 31:2543 32:56 34:32 35:119 36:2040
37:4459 38:5692 39:881 40:150 41:3973 42:2120
43:2327 44:332 45:16658 46:4392 47:310 49:1896
50:1883 51:573 52:1594 54:393 55:875 56:5
57:127 58:1906 59:1175 60:1009 61:2565 62:2727
63:1904 64:5479 65:2343 66:5018 67:3056 68:1356
69:4104 70:1186 71:605 72:2930 74:2629 75:1561
76:628 77:2335 78:1828 79:3024 80:2109 81:1848
82:1520 83:1321 84:1624 85:2987 86:780 87:1944
88:1233 89:3950 90:636 91:7886 92:2157 93:2640
94:3576 95:3990 96:1299 97:315 98:1014 99:738
100:94 101:1177 102:2975 103:32493 104:4795 105:593
106:982 107:2733 108:1140 109:4217 110:2134 111:3197
112:2086 113:1759 114:1739 115:1992 116:1948 117:2494
118:2748 119:1952 120:1809 121:1285 122:2639 123:2215
124:1636 125:2779 128:1485 129:918 130:1055 131:1983
132:831 133:410 134:1707 135:301 136:917 137:990
138:2716 139:1581 140:1342 141:1350 142:1541 143:1527
144:1000 145:343 146:1990 147:1635 148:2456 149:2327
150:1009 151:1290 152:1839 153:526 154:5287 155:1378
156:2126 157:1358 158:1053 159:2208 160:2618 161:1620
162:3568 163:1635 164:1639 165:1862 166:1113 167:1770
168:3836 169:799 170:4685 171:964 172:3764 173:3002
174:906 175:1205 176:3626 177:4569 178:3533 179:2189
180:2286 181:3604 182:3444 183:2026 184:2254 185:20447
186:4756 187:4285 188:3963 189:3968 190:9313 191:1502
192:11004 193:8974 194:7295 195:5212 196:3130 197:2492
198:6028 199:6599 200:8090 201:6237 202:10596 203:10065
204:4599 205:3680 206:4436 207:3511 208:4106 209:4910
210:4529 211:2560 212:4228 213:3395 214:1126 215:64
216:6730 217:2751 218:1322 219:586 220:2029 221:1011
222:876 223:2225
End of report
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