[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Jan 5 18:02:23 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 06 Jan, 2024
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: 937592
Prefixes after maximum aggregation (per Origin AS): 357849
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 456342
Total ASes present in the Internet Routing Table: 75212
Prefixes per ASN: 12.47
Origin-only ASes present in the Internet Routing Table: 64521
Origin ASes announcing only one prefix: 26564
Transit ASes present in the Internet Routing Table: 10691
Transit-only ASes present in the Internet Routing Table: 493
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 66
Max AS path prepend of ASN (272886) 61
Prefixes from unregistered ASNs in the Routing Table: 1112
Number of instances of unregistered ASNs: 1114
Number of 32-bit ASNs allocated by the RIRs: 43316
Number of 32-bit ASNs visible in the Routing Table: 35614
Prefixes from 32-bit ASNs in the Routing Table: 179632
Number of bogon 32-bit ASNs visible in the Routing Table: 32
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 482
Number of addresses announced to Internet: 3048811264
Equivalent to 181 /8s, 185 /16s and 43 /24s
Percentage of available address space announced: 82.4
Percentage of allocated address space announced: 82.4
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: 309431
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 251118
Total APNIC prefixes after maximum aggregation: 72502
APNIC Deaggregation factor: 3.46
Prefixes being announced from the APNIC address blocks: 244085
Unique aggregates announced from the APNIC address blocks: 99680
APNIC Region origin ASes present in the Internet Routing Table: 13870
APNIC Prefixes per ASN: 17.60
APNIC Region origin ASes announcing only one prefix: 4166
APNIC Region transit ASes present in the Internet Routing Table: 1873
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 34
Number of APNIC region 32-bit ASNs visible in the Routing Table: 9220
Number of APNIC addresses announced to Internet: 774693504
Equivalent to 46 /8s, 44 /16s and 226 /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: 274378
Total ARIN prefixes after maximum aggregation: 124616
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 279300
Unique aggregates announced from the ARIN address blocks: 133020
ARIN Region origin ASes present in the Internet Routing Table: 19084
ARIN Prefixes per ASN: 14.64
ARIN Region origin ASes announcing only one prefix: 6955
ARIN Region transit ASes present in the Internet Routing Table: 1950
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: 4828
Number of ARIN addresses announced to Internet: 1273895424
Equivalent to 75 /8s, 238 /16s and 26 /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: 260529
Total RIPE prefixes after maximum aggregation: 125124
RIPE Deaggregation factor: 2.08
Prefixes being announced from the RIPE address blocks: 254988
Unique aggregates announced from the RIPE address blocks: 160949
RIPE Region origin ASes present in the Internet Routing Table: 28498
RIPE Prefixes per ASN: 8.95
RIPE Region origin ASes announcing only one prefix: 12125
RIPE Region transit ASes present in the Internet Routing Table: 3933
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 37
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11503
Number of RIPE addresses announced to Internet: 714299776
Equivalent to 42 /8s, 147 /16s and 89 /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: 119919
Total LACNIC prefixes after maximum aggregation: 28844
LACNIC Deaggregation factor: 4.16
Prefixes being announced from the LACNIC address blocks: 118690
Unique aggregates announced from the LACNIC address blocks: 49478
LACNIC Region origin ASes present in the Internet Routing Table: 11055
LACNIC Prefixes per ASN: 10.74
LACNIC Region origin ASes announcing only one prefix: 2672
LACNIC Region transit ASes present in the Internet Routing Table: 2368
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 66
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8905
Number of LACNIC addresses announced to Internet: 177768960
Equivalent to 10 /8s, 152 /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: 30536
Total AfriNIC prefixes after maximum aggregation: 6047
AfriNIC Deaggregation factor: 5.05
Prefixes being announced from the AfriNIC address blocks: 40047
Unique aggregates announced from the AfriNIC address blocks: 12817
AfriNIC Region origin ASes present in the Internet Routing Table: 1818
AfriNIC Prefixes per ASN: 22.03
AfriNIC Region origin ASes announcing only one prefix: 646
AfriNIC Region transit ASes present in the Internet Routing Table: 352
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: 1158
Number of AfriNIC addresses announced to Internet: 107835136
Equivalent to 6 /8s, 109 /16s and 111 /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 9818 8740 56 CHINAMOBILE-CN China Mobile Communicati
7545 5677 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4925 4192 75 ERX-CERNET-BKB China Education and Rese
18403 4548 347 25 FPT-AS-AP FPT Telecom Company, VN
7552 3825 1330 20 VIETEL-AS-AP Viettel Group, VN
7713 3605 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon
9498 3417 498 254 BBIL-AP BHARTI Airtel Ltd., IN
45899 3269 1872 99 VNPT-AS-VN VNPT Corp, VN
24560 2665 857 379 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
4766 2324 11258 578 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 9437 11194 3356 AMAZON-02, US
11492 4563 303 680 CABLEONE, US
7155 4177 288 96 VIASAT-SP-BACKBONE, US
6327 3568 1320 70 SHAW, CA
22773 3516 3059 303 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3217 1426 2336 AKAMAI-AS, US
749 3161 54929 2413 DNIC-AS-00749, US
367 2955 3836 1416 DNIC-ASBLK-00306-00371, US
396982 2744 3639 389 GOOGLE-CLOUD-PLATFORM, US
7018 2503 23622 1573 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 5755 1714 146 UNI2-AS, ES
39891 4641 279 54 ALJAWWALSTC-AS, SA
20940 4011 3397 142 AKAMAI-ASN1, NL
9009 3464 298 1626 M247, RO
8551 3145 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2993 2301 912 ROSTELECOM-AS, RU
34984 2324 359 598 TELLCOM-AS, TR
13188 1607 100 26 TRIOLAN, UA
58224 1511 872 577 TCI, IR
8452 1471 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 12175 3384 590 UNINET, MX
10620 3523 497 888 Telmex Colombia S.A., CO
13999 2496 340 638 Mega Cable, S.A. de C.V., MX
11830 2006 369 64 Instituto Costarricense de Electricidad
28573 1345 2318 237 Claro NXT Telecomunicacoes Ltda, BR
3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6503 1245 341 503 Axtel, S.A.B. de C.V., MX
11664 1109 178 419 Techtel LMDS Comunicaciones Interactiva
6147 1088 369 22 Telefonica del Peru S.A.A., PE
22884 1074 116 375 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 1543 545 28 RAYA-AS, EG
24863 1531 389 16 LINKdotNET-AS, EG
36992 1361 1518 280 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
29571 1072 69 53 ORANGE-COTE-IVOIRE, CI
36935 936 521 43 Vodafone-, EG
6713 551 1861 34 IAM-AS, MA
15399 543 56 55 WANANCHI-, KE
36914 506 82 3 KENET-AS, KE
37342 481 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 12175 3384 590 UNINET, MX
9808 9818 8740 56 CHINAMOBILE-CN China Mobile Communicati
16509 9437 11194 3356 AMAZON-02, US
12479 5755 1714 146 UNI2-AS, ES
7545 5677 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4925 4192 75 ERX-CERNET-BKB China Education and Rese
39891 4641 279 54 ALJAWWALSTC-AS, SA
11492 4563 303 680 CABLEONE, US
18403 4548 347 25 FPT-AS-AP FPT Telecom Company, VN
7155 4177 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 9818 9762 CHINAMOBILE-CN China Mobile Communications Grou
16509 9437 6081 AMAZON-02, US
12479 5755 5609 UNI2-AS, ES
7545 5677 4990 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4925 4850 ERX-CERNET-BKB China Education and Research Net
39891 4641 4587 ALJAWWALSTC-AS, SA
18403 4548 4523 FPT-AS-AP FPT Telecom Company, VN
7155 4177 4081 VIASAT-SP-BACKBONE, US
11492 4563 3883 CABLEONE, US
20940 4011 3869 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 /10:37 /11:99 /12:301
/13:581 /14:1194 /15:2065 /16:13440 /17:8264 /18:13817
/19:25082 /20:44416 /21:51742 /22:109855 /23:99801 /24:566141
/25:727 /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
8151 6182 12175 UNINET, MX
12479 5057 5755 UNI2-AS, ES
11492 3477 4563 CABLEONE, US
6327 3372 3568 SHAW, CA
39891 3324 4641 ALJAWWALSTC-AS, SA
7155 3121 4177 VIASAT-SP-BACKBONE, US
8551 2622 3145 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2555 3516 ASN-CXA-ALL-CCI-22773-RDC, US
10620 2126 3523 Telmex Colombia S.A., CO
30036 2121 2465 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2312 2:1414 3:281 4:5 5:4421 6:165
7:6 8:1531 9:1 11:172 12:1487 13:375
14:2339 15:309 16:206 17:363 18:711 20:344
21:4 22:188 23:6590 24:2678 25:2 27:2503
29:19 31:2537 32:56 34:35 35:121 36:2141
37:4483 38:5836 39:884 40:147 41:4138 42:2212
43:2327 44:325 45:16687 46:4294 47:286 49:1910
50:1892 51:574 52:1590 54:368 55:893 56:5
57:129 58:1924 59:1172 60:1012 61:2567 62:2753
63:1905 64:5494 65:2338 66:5005 67:3043 68:1337
69:4085 70:1179 71:573 72:2922 74:2647 75:1559
76:626 77:2341 78:1829 79:2891 80:2114 81:1860
82:1522 83:1323 84:1624 85:2857 86:780 87:1971
88:1230 89:3950 90:399 91:7905 92:2177 93:2632
94:3593 95:3997 96:1288 97:315 98:1015 99:744
100:94 101:1158 102:3019 103:32556 104:4775 105:601
106:983 107:2740 108:1123 109:4072 110:2140 111:3215
112:2087 113:1793 114:1753 115:1997 116:1984 117:2630
118:2773 119:1943 120:1806 121:1312 122:2646 123:2220
124:1598 125:2803 128:1460 129:919 130:1069 131:1961
132:820 133:411 134:1710 135:304 136:914 137:997
138:2696 139:1570 140:1350 141:1339 142:1546 143:1518
144:1003 145:337 146:2000 147:1641 148:2495 149:2416
150:1020 151:1313 152:1970 153:530 154:5539 155:1378
156:2107 157:1381 158:1081 159:2208 160:2618 161:1621
162:3601 163:1671 164:1628 165:2098 166:1075 167:1696
168:3839 169:796 170:4709 171:993 172:3782 173:3008
174:896 175:1216 176:3590 177:4620 178:3531 179:2242
180:2350 181:3648 182:3459 183:2023 184:2271 185:20493
186:4789 187:4312 188:4012 189:3965 190:9342 191:1494
192:11042 193:8962 194:7367 195:5230 196:3167 197:2632
198:5995 199:6888 200:8096 201:6257 202:10496 203:10081
204:4598 205:3678 206:4465 207:3500 208:4106 209:4962
210:4626 211:2590 212:4224 213:3387 214:1117 215:50
216:6778 217:2753 218:1347 219:587 220:2047 221:1021
222:868 223:2218
End of report
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