[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Aug 4 18:02:07 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
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 05 Aug, 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: 927714
Prefixes after maximum aggregation (per Origin AS): 351711
Deaggregation factor: 2.64
Unique aggregates announced (without unneeded subnets): 452501
Total ASes present in the Internet Routing Table: 74648
Prefixes per ASN: 12.43
Origin-only ASes present in the Internet Routing Table: 64103
Origin ASes announcing only one prefix: 26307
Transit ASes present in the Internet Routing Table: 10545
Transit-only ASes present in the Internet Routing Table: 461
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 68
Max AS path prepend of ASN (263725) 64
Prefixes from unregistered ASNs in the Routing Table: 1058
Number of instances of unregistered ASNs: 1060
Number of 32-bit ASNs allocated by the RIRs: 42376
Number of 32-bit ASNs visible in the Routing Table: 34895
Prefixes from 32-bit ASNs in the Routing Table: 174016
Number of bogon 32-bit ASNs visible in the Routing Table: 33
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 580
Number of addresses announced to Internet: 3053861632
Equivalent to 182 /8s, 6 /16s and 59 /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: 99.6
Total number of prefixes smaller than registry allocations: 309205
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 246446
Total APNIC prefixes after maximum aggregation: 70242
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 240196
Unique aggregates announced from the APNIC address blocks: 98808
APNIC Region origin ASes present in the Internet Routing Table: 13548
APNIC Prefixes per ASN: 17.73
APNIC Region origin ASes announcing only one prefix: 4001
APNIC Region transit ASes present in the Internet Routing Table: 1779
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 27
Number of APNIC region 32-bit ASNs visible in the Routing Table: 8864
Number of APNIC addresses announced to Internet: 773502848
Equivalent to 46 /8s, 26 /16s and 183 /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: 271941
Total ARIN prefixes after maximum aggregation: 123823
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 274002
Unique aggregates announced from the ARIN address blocks: 130924
ARIN Region origin ASes present in the Internet Routing Table: 19093
ARIN Prefixes per ASN: 14.35
ARIN Region origin ASes announcing only one prefix: 6963
ARIN Region transit ASes present in the Internet Routing Table: 1958
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: 4818
Number of ARIN addresses announced to Internet: 1277299200
Equivalent to 76 /8s, 34 /16s and 10 /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: 259952
Total RIPE prefixes after maximum aggregation: 122501
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 256839
Unique aggregates announced from the RIPE address blocks: 159899
RIPE Region origin ASes present in the Internet Routing Table: 28387
RIPE Prefixes per ASN: 9.05
RIPE Region origin ASes announcing only one prefix: 12061
RIPE Region transit ASes present in the Internet Routing Table: 3943
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: 11290
Number of RIPE addresses announced to Internet: 716523648
Equivalent to 42 /8s, 181 /16s and 72 /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
196608-213403
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: 118592
Total LACNIC prefixes after maximum aggregation: 28503
LACNIC Deaggregation factor: 4.16
Prefixes being announced from the LACNIC address blocks: 117714
Unique aggregates announced from the LACNIC address blocks: 49677
LACNIC Region origin ASes present in the Internet Routing Table: 10999
LACNIC Prefixes per ASN: 10.70
LACNIC Region origin ASes announcing only one prefix: 2663
LACNIC Region transit ASes present in the Internet Routing Table: 2330
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 68
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8809
Number of LACNIC addresses announced to Internet: 178518272
Equivalent to 10 /8s, 163 /16s and 249 /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: 29725
Total AfriNIC prefixes after maximum aggregation: 5923
AfriNIC Deaggregation factor: 5.02
Prefixes being announced from the AfriNIC address blocks: 38383
Unique aggregates announced from the AfriNIC address blocks: 12707
AfriNIC Region origin ASes present in the Internet Routing Table: 1768
AfriNIC Prefixes per ASN: 21.71
AfriNIC Region origin ASes announcing only one prefix: 619
AfriNIC Region transit ASes present in the Internet Routing Table: 330
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 40
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1114
Number of AfriNIC addresses announced to Internet: 107623168
Equivalent to 6 /8s, 106 /16s and 51 /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 9529 8706 40 CHINAMOBILE-CN China Mobile Communicati
7545 5692 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4852 4192 75 ERX-CERNET-BKB China Education and Rese
18403 4247 347 25 FPT-AS-AP FPT Telecom Company, VN
7713 3588 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3354 1840 97 VNPT-AS-VN VNPT Corp, VN
7552 3337 1331 21 VIETEL-AS-AP Viettel Group, VN
9498 3059 498 247 BBIL-AP BHARTI Airtel Ltd., IN
4766 2559 11271 592 KIXS-AS-KR Korea Telecom, KR
24560 2472 839 427 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 8863 10943 3166 AMAZON-02, US
11492 4522 300 622 CABLEONE, US
7155 4194 288 101 VIASAT-SP-BACKBONE, US
22773 3534 3051 269 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3527 1319 66 SHAW, CA
749 3150 54961 2402 DNIC-AS-00749, US
16625 3076 1510 2322 AKAMAI-AS, US
367 2967 3825 1397 DNIC-ASBLK-00306-00371, US
396982 2684 3596 388 GOOGLE-CLOUD-PLATFORM, US
30036 2510 359 371 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 7323 1707 142 UNI2-AS, ES
39891 4897 290 61 ALJAWWALSTC-AS, SA
20940 4078 3398 158 AKAMAI-ASN1, NL
8551 3452 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2973 2294 914 ROSTELECOM-AS, RU
9009 2658 246 1389 M247, RO
34984 2317 362 602 TELLCOM-AS, TR
58224 1815 944 536 TCI, IR
13188 1606 100 27 TRIOLAN, UA
6849 1604 307 17 UKRTELNET, UA
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 11599 3371 601 UNINET, MX
10620 3535 507 828 Telmex Colombia S.A., CO
13999 2423 362 635 Mega Cable, S.A. de C.V., MX
11830 1997 369 64 Instituto Costarricense de Electricidad
28573 1316 2324 234 Claro NXT Telecomunicacoes Ltda, BR
3816 1301 767 167 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6503 1299 344 510 Axtel, S.A.B. de C.V., MX
6147 1123 370 22 Telefonica del Peru S.A.A., PE
11664 1113 181 435 Techtel LMDS Comunicaciones Interactiva
26615 1037 2500 48 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 1587 393 19 LINKdotNET-AS, EG
24835 1517 533 27 RAYA-AS, EG
36992 1356 1518 282 ETISALAT-MISR, EG
36903 1242 550 99 MT-MPLS, MA
29571 1051 67 45 ORANGE-COTE-IVOIRE, CI
36935 922 521 43 Vodafone-, EG
6713 550 1861 34 IAM-AS, MA
37342 498 32 1 MOVITEL, MZ
15399 459 55 50 WANANCHI-, KE
24757 440 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 11599 3371 601 UNINET, MX
9808 9529 8706 40 CHINAMOBILE-CN China Mobile Communicati
16509 8863 10943 3166 AMAZON-02, US
12479 7323 1707 142 UNI2-AS, ES
7545 5692 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4897 290 61 ALJAWWALSTC-AS, SA
4538 4852 4192 75 ERX-CERNET-BKB China Education and Rese
11492 4522 300 622 CABLEONE, US
18403 4247 347 25 FPT-AS-AP FPT Telecom Company, VN
7155 4194 288 101 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 9529 9489 CHINAMOBILE-CN China Mobile Communications Grou
12479 7323 7181 UNI2-AS, ES
16509 8863 5697 AMAZON-02, US
7545 5692 5003 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4897 4836 ALJAWWALSTC-AS, SA
4538 4852 4777 ERX-CERNET-BKB China Education and Research Net
18403 4247 4222 FPT-AS-AP FPT Telecom Company, VN
7155 4194 4093 VIASAT-SP-BACKBONE, US
20940 4078 3920 AKAMAI-ASN1, NL
11492 4522 3900 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
53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US
19695 UNALLOCATED 8.20.161.0/24 7015 COMCAST-7015, 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 UNASSIGNED
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
23.176.160.0/24 Origin: 397327 UNASSIGNED
23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US
27.100.7.0/24 Origin: 56096 UNASSIGNED
27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet
41.57.124.0/22 Origin: 37442 UNASSIGNED
41.57.124.0/22 Transit: 37204 TELONE, ZW
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 /11:102 /12:296
/13:575 /14:1197 /15:2071 /16:13487 /17:8274 /18:13868
/19:25172 /20:44383 /21:51499 /22:110131 /23:98935 /24:556908
/25:747 /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 6412 7323 UNI2-AS, ES
8151 5608 11599 UNINET, MX
39891 3632 4897 ALJAWWALSTC-AS, SA
11492 3432 4522 CABLEONE, US
6327 3337 3527 SHAW, CA
7155 3139 4194 VIASAT-SP-BACKBONE, US
8551 2921 3452 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2602 3534 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2167 2510 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2094 3535 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2214 2:1340 3:247 4:5 5:4508 6:133
7:6 8:1553 9:1 11:172 12:1520 13:384
14:2307 15:302 16:198 17:375 18:553 20:273
21:4 22:188 23:6379 24:2486 25:6 27:2488
29:19 31:2521 32:81 34:25 35:114 36:1992
37:4672 38:5127 39:835 40:147 41:3922 42:2038
43:2333 44:312 45:16610 46:4328 47:384 49:1787
50:1862 51:585 52:1594 54:391 55:950 56:8
57:120 58:1893 59:1172 60:992 61:2483 62:2689
63:1917 64:5574 65:2292 66:4955 67:3052 68:1321
69:4093 70:1207 71:680 72:2980 74:2615 75:1580
76:620 77:2452 78:1828 79:2973 80:2114 81:1809
82:1494 83:1277 84:1535 85:2972 86:765 87:2000
88:1173 89:3860 90:616 91:7816 92:2060 93:2588
94:3570 95:4035 96:1297 97:318 98:1147 99:735
100:95 101:1076 102:2827 103:31895 104:4572 105:565
106:888 107:2551 108:1098 109:4262 110:2118 111:3191
112:2063 113:1811 114:1656 115:1987 116:1917 117:2529
118:2667 119:1976 120:1813 121:1146 122:2585 123:2186
124:1620 125:2509 128:1459 129:1054 130:1026 131:1967
132:816 133:422 134:1794 135:306 136:898 137:961
138:2606 139:1589 140:1242 141:1293 142:1476 143:1497
144:1010 145:342 146:1960 147:1609 148:2430 149:2183
150:879 151:1168 152:1848 153:510 154:4681 155:1382
156:1877 157:1322 158:1079 159:2228 160:2593 161:1568
162:3515 163:1584 164:1717 165:1851 166:998 167:1732
168:3880 169:931 170:4600 171:881 172:3633 173:2989
174:1051 175:1192 176:3748 177:4552 178:3606 179:2163
180:2429 181:3489 182:3446 183:1993 184:2301 185:20500
186:4746 187:4108 188:4141 189:3762 190:9221 191:1396
192:10943 193:8943 194:7294 195:5176 196:3103 197:2461
198:6015 199:6096 200:7998 201:5986 202:10576 203:10059
204:4562 205:3664 206:4320 207:3447 208:4155 209:4932
210:4476 211:2534 212:4247 213:3593 214:1087 215:60
216:6734 217:2765 218:1287 219:584 220:2031 221:967
222:839 223:2193
End of report
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