[SANOG] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri May 10 18:02:33 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 11 May, 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: 950403
Prefixes after maximum aggregation (per Origin AS): 361677
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 462013
Total ASes present in the Internet Routing Table: 75770
Prefixes per ASN: 12.54
Origin-only ASes present in the Internet Routing Table: 64941
Origin ASes announcing only one prefix: 26657
Transit ASes present in the Internet Routing Table: 10829
Transit-only ASes present in the Internet Routing Table: 521
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 55
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1018
Number of instances of unregistered ASNs: 1020
Number of 32-bit ASNs allocated by the RIRs: 44444
Number of 32-bit ASNs visible in the Routing Table: 36372
Prefixes from 32-bit ASNs in the Routing Table: 185953
Number of bogon 32-bit ASNs visible in the Routing Table: 15
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 621
Number of addresses announced to Internet: 3026428800
Equivalent to 180 /8s, 99 /16s and 163 /24s
Percentage of available address space announced: 81.7
Percentage of allocated address space announced: 81.7
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: 312502
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 254658
Total APNIC prefixes after maximum aggregation: 73859
APNIC Deaggregation factor: 3.45
Prefixes being announced from the APNIC address blocks: 246920
Unique aggregates announced from the APNIC address blocks: 101002
APNIC Region origin ASes present in the Internet Routing Table: 14135
APNIC Prefixes per ASN: 17.47
APNIC Region origin ASes announcing only one prefix: 4298
APNIC Region transit ASes present in the Internet Routing Table: 1893
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 32
Number of APNIC region 32-bit ASNs visible in the Routing Table: 9529
Number of APNIC addresses announced to Internet: 761386368
Equivalent to 45 /8s, 97 /16s and 213 /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: 276143
Total ARIN prefixes after maximum aggregation: 125116
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 280880
Unique aggregates announced from the ARIN address blocks: 133882
ARIN Region origin ASes present in the Internet Routing Table: 19162
ARIN Prefixes per ASN: 14.66
ARIN Region origin ASes announcing only one prefix: 6970
ARIN Region transit ASes present in the Internet Routing Table: 1998
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4907
Number of ARIN addresses announced to Internet: 1267763200
Equivalent to 75 /8s, 144 /16s and 136 /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, 393216-402332
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: 266198
Total RIPE prefixes after maximum aggregation: 126787
RIPE Deaggregation factor: 2.10
Prefixes being announced from the RIPE address blocks: 260985
Unique aggregates announced from the RIPE address blocks: 163900
RIPE Region origin ASes present in the Internet Routing Table: 28621
RIPE Prefixes per ASN: 9.12
RIPE Region origin ASes announcing only one prefix: 12116
RIPE Region transit ASes present in the Internet Routing Table: 3963
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11770
Number of RIPE addresses announced to Internet: 713969920
Equivalent to 42 /8s, 142 /16s and 81 /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: 121352
Total LACNIC prefixes after maximum aggregation: 29046
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 119616
Unique aggregates announced from the LACNIC address blocks: 49547
LACNIC Region origin ASes present in the Internet Routing Table: 11081
LACNIC Prefixes per ASN: 10.79
LACNIC Region origin ASes announcing only one prefix: 2615
LACNIC Region transit ASes present in the Internet Routing Table: 2414
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: 8959
Number of LACNIC addresses announced to Internet: 177016320
Equivalent to 10 /8s, 141 /16s and 14 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + 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: 31034
Total AfriNIC prefixes after maximum aggregation: 6185
AfriNIC Deaggregation factor: 5.02
Prefixes being announced from the AfriNIC address blocks: 41381
Unique aggregates announced from the AfriNIC address blocks: 13200
AfriNIC Region origin ASes present in the Internet Routing Table: 1844
AfriNIC Prefixes per ASN: 22.44
AfriNIC Region origin ASes announcing only one prefix: 658
AfriNIC Region transit ASes present in the Internet Routing Table: 361
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1207
Number of AfriNIC addresses announced to Internet: 105939200
Equivalent to 6 /8s, 80 /16s and 129 /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 9846 8743 68 CHINAMOBILE-CN China Mobile Communicati
7545 5650 777 673 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4939 4192 74 ERX-CERNET-BKB China Education and Rese
18403 4510 347 23 FPT-AS-AP FPT Telecom Company, VN
7552 3875 1331 21 VIETEL-AS-AP Viettel Group, VN
9498 3716 507 262 BBIL-AP BHARTI Airtel Ltd., IN
7713 3559 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3290 1872 99 VNPT-AS-VN VNPT Corp, VN
24560 2789 863 378 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
4766 2292 11522 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 9922 11375 3519 AMAZON-02, US
11492 4609 306 610 CABLEONE, US
7155 4167 287 89 VIASAT-SP-BACKBONE, US
6327 3596 1320 79 SHAW, CA
22773 3496 3041 235 ASN-CXA-ALL-CCI-22773-RDC, US
174 3459 6632 844 COGENT-174, US
749 3225 54904 2477 DNIC-AS-00749, US
16625 3072 1320 2207 AKAMAI-AS, US
367 2815 3459 1331 DNIC-ASBLK-00306-00371, US
7018 2810 23655 1792 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 7750 1708 144 UNI2-AS, ES
39891 4758 286 60 ALJAWWALSTC-AS, SA
20940 3851 3396 130 AKAMAI-ASN1, NL
9009 3310 287 1618 M247, RO
12389 2990 2305 902 ROSTELECOM-AS, RU
8551 2634 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
34984 2346 363 584 TELLCOM-AS, TR
13188 1607 100 26 TRIOLAN, UA
212238 1580 113 1148 CDNEXT, GB
8452 1576 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 12308 3318 488 UNINET, MX
10620 3503 491 941 Telmex Colombia S.A., CO
13999 2539 351 662 Mega Cable, S.A. de C.V., MX
11830 2004 369 64 Instituto Costarricense de Electricidad
28573 1350 2314 252 Claro NXT Telecomunicacoes Ltda, BR
3816 1320 789 194 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11664 1181 176 440 Techtel LMDS Comunicaciones Interactiva
6503 1133 314 478 Axtel, S.A.B. de C.V., MX
6147 1101 369 22 Telefonica del Peru S.A.A., PE
26615 1068 2503 53 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
24835 1549 545 28 RAYA-AS, EG
24863 1503 389 20 LINKdotNET-AS, EG
36992 1373 1519 282 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
29571 1198 77 59 ORANGE-COTE-IVOIRE, CI
36935 935 521 42 Vodafone-, EG
6713 557 1861 35 IAM-AS, MA
15399 535 55 54 WANANCHI-, KE
36914 482 82 3 KENET-AS, KE
24757 434 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 12308 3318 488 UNINET, MX
16509 9922 11375 3519 AMAZON-02, US
9808 9846 8743 68 CHINAMOBILE-CN China Mobile Communicati
12479 7750 1708 144 UNI2-AS, ES
7545 5650 777 673 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4939 4192 74 ERX-CERNET-BKB China Education and Rese
39891 4758 286 60 ALJAWWALSTC-AS, SA
11492 4609 306 610 CABLEONE, US
18403 4510 347 23 FPT-AS-AP FPT Telecom Company, VN
7155 4167 287 89 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 9846 9778 CHINAMOBILE-CN China Mobile Communications Grou
12479 7750 7606 UNI2-AS, ES
16509 9922 6403 AMAZON-02, US
7545 5650 4977 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4939 4865 ERX-CERNET-BKB China Education and Research Net
39891 4758 4698 ALJAWWALSTC-AS, SA
18403 4510 4487 FPT-AS-AP FPT Telecom Company, VN
7155 4167 4078 VIASAT-SP-BACKBONE, US
11492 4609 3999 CABLEONE, US
7552 3875 3854 VIETEL-AS-AP Viettel Group, VN
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
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
46639 UNALLOCATED 8.17.66.0/24 701 UUNET, 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 CROWNCASTLE-AS46887, US
396894 UNALLOCATED 8.28.201.0/24 46887 CROWNCASTLE-AS46887, 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
14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US
14.192.20.0/22 Transit: 6939 HURRICANE, US
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
23.147.240.0/24 Origin: 398208 RESERVED, ZZ
23.147.240.0/24 Transit: 19930 EQUINIX-EC-CH, US
23.189.192.0/24 Origin: 27593 RESERVED, ZZ
23.189.192.0/24 Transit: 174 COGENT-174, US
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 /11:94 /12:296
/13:579 /14:1170 /15:2048 /16:13273 /17:8260 /18:13749
/19:24728 /20:44221 /21:51717 /22:111488 /23:99323 /24:578664
/25:726 /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 6855 7750 UNI2-AS, ES
8151 6330 12308 UNINET, MX
11492 3518 4609 CABLEONE, US
39891 3440 4758 ALJAWWALSTC-AS, SA
6327 3392 3596 SHAW, CA
7155 3111 4167 VIASAT-SP-BACKBONE, US
22773 2590 3496 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2155 2500 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2129 3503 Telmex Colombia S.A., CO
8551 2110 2634 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2330 2:1514 3:346 4:6 5:4555 6:164
7:6 8:1513 9:1 11:172 12:1456 13:365
14:2407 15:318 16:214 17:369 18:768 20:365
21:4 22:188 23:6738 24:2714 25:2 27:2537
29:19 31:2573 32:49 34:59 35:133 36:2293
37:4482 38:7496 39:896 40:122 41:4031 42:2208
43:2367 44:317 45:17081 46:4500 47:307 49:1958
50:1906 51:575 52:1579 54:312 55:999 56:5
57:169 58:2102 59:1250 60:1034 61:2607 62:2683
63:1889 64:5527 65:2336 66:4695 67:2992 68:1323
69:4108 70:1188 71:583 72:2879 74:2592 75:1556
76:614 77:2481 78:1854 79:2508 80:2197 81:2016
82:1566 83:1333 84:1654 85:3152 86:852 87:2271
88:1252 89:4084 90:682 91:8120 92:2297 93:2690
94:3720 95:4189 96:1286 97:315 98:1040 99:742
100:72 101:1179 102:3264 103:32571 104:4803 105:674
106:946 107:2769 108:1148 109:4140 110:2136 111:3300
112:2075 113:1859 114:1788 115:2070 116:1903 117:2641
118:2816 119:1973 120:1790 121:1328 122:2679 123:2237
124:1635 125:2882 126:32 128:1479 129:938 130:1146
131:1835 132:803 133:410 134:1736 135:320 136:948
137:1067 138:2812 139:1534 140:1392 141:1342 142:1585
143:1475 144:1003 145:362 146:2058 147:1885 148:2489
149:2751 150:1032 151:1332 152:2143 153:525 154:6488
155:1464 156:2286 157:1778 158:1149 159:2336 160:2638
161:1671 162:3559 163:1707 164:1641 165:2149 166:1175
167:1798 168:3895 169:801 170:4852 171:1042 172:3848
173:3048 174:896 175:1199 176:3679 177:4636 178:3725
179:2220 180:2356 181:3716 182:3429 183:2003 184:2269
185:20765 186:4993 187:4480 188:4077 189:4193 190:9412
191:1460 192:10976 193:9102 194:7513 195:5282 196:3153
197:2438 198:6038 199:7813 200:7993 201:6302 202:10496
203:10193 204:4573 205:3784 206:4473 207:3586 208:4154
209:5060 210:4688 211:2621 212:4315 213:3438 214:1047
215:49 216:6774 217:2997 218:1340 219:583 220:2048
221:1033 222:871 223:2239
End of report
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