[menog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Nov 10 18:02:14 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 11 Nov, 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: 935006
Prefixes after maximum aggregation (per Origin AS): 355778
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 454622
Total ASes present in the Internet Routing Table: 75042
Prefixes per ASN: 12.46
Origin-only ASes present in the Internet Routing Table: 64403
Origin ASes announcing only one prefix: 26462
Transit ASes present in the Internet Routing Table: 10639
Transit-only ASes present in the Internet Routing Table: 480
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: 1071
Number of instances of unregistered ASNs: 1077
Number of 32-bit ASNs allocated by the RIRs: 43033
Number of 32-bit ASNs visible in the Routing Table: 35370
Prefixes from 32-bit ASNs in the Routing Table: 177646
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: 511
Number of addresses announced to Internet: 3051023104
Equivalent to 181 /8s, 218 /16s and 235 /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: 310908
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 248524
Total APNIC prefixes after maximum aggregation: 71578
APNIC Deaggregation factor: 3.47
Prefixes being announced from the APNIC address blocks: 241689
Unique aggregates announced from the APNIC address blocks: 98997
APNIC Region origin ASes present in the Internet Routing Table: 13744
APNIC Prefixes per ASN: 17.59
APNIC Region origin ASes announcing only one prefix: 4126
APNIC Region transit ASes present in the Internet Routing Table: 1842
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: 9077
Number of APNIC addresses announced to Internet: 772185472
Equivalent to 46 /8s, 6 /16s and 157 /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: 273613
Total ARIN prefixes after maximum aggregation: 124339
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 278141
Unique aggregates announced from the ARIN address blocks: 132362
ARIN Region origin ASes present in the Internet Routing Table: 19066
ARIN Prefixes per ASN: 14.59
ARIN Region origin ASes announcing only one prefix: 6939
ARIN Region transit ASes present in the Internet Routing Table: 1955
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: 4822
Number of ARIN addresses announced to Internet: 1277098496
Equivalent to 76 /8s, 30 /16s and 250 /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: 262130
Total RIPE prefixes after maximum aggregation: 124509
RIPE Deaggregation factor: 2.11
Prefixes being announced from the RIPE address blocks: 256809
Unique aggregates announced from the RIPE address blocks: 160658
RIPE Region origin ASes present in the Internet Routing Table: 28492
RIPE Prefixes per ASN: 9.01
RIPE Region origin ASes announcing only one prefix: 12103
RIPE Region transit ASes present in the Internet Routing Table: 3948
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 36
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11443
Number of RIPE addresses announced to Internet: 715368320
Equivalent to 42 /8s, 163 /16s and 167 /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: 119600
Total LACNIC prefixes after maximum aggregation: 28609
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 118470
Unique aggregates announced from the LACNIC address blocks: 49382
LACNIC Region origin ASes present in the Internet Routing Table: 11049
LACNIC Prefixes per ASN: 10.72
LACNIC Region origin ASes announcing only one prefix: 2665
LACNIC Region transit ASes present in the Internet Routing Table: 2337
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: 8879
Number of LACNIC addresses announced to Internet: 178404608
Equivalent to 10 /8s, 162 /16s and 61 /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: 30068
Total AfriNIC prefixes after maximum aggregation: 6014
AfriNIC Deaggregation factor: 5.00
Prefixes being announced from the AfriNIC address blocks: 39386
Unique aggregates announced from the AfriNIC address blocks: 12797
AfriNIC Region origin ASes present in the Internet Routing Table: 1808
AfriNIC Prefixes per ASN: 21.78
AfriNIC Region origin ASes announcing only one prefix: 629
AfriNIC Region transit ASes present in the Internet Routing Table: 347
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1149
Number of AfriNIC addresses announced to Internet: 107544064
Equivalent to 6 /8s, 104 /16s and 254 /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 9716 8730 43 CHINAMOBILE-CN China Mobile Communicati
7545 5716 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4921 4192 75 ERX-CERNET-BKB China Education and Rese
18403 4255 347 25 FPT-AS-AP FPT Telecom Company, VN
7713 3604 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3260 1872 99 VNPT-AS-VN VNPT Corp, VN
9498 3251 491 240 BBIL-AP BHARTI Airtel Ltd., IN
7552 2976 1330 20 VIETEL-AS-AP Viettel Group, VN
24560 2580 851 375 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
4766 2536 11270 600 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 9176 11051 3360 AMAZON-02, US
11492 4550 302 673 CABLEONE, US
7155 4174 288 100 VIASAT-SP-BACKBONE, US
6327 3554 1320 67 SHAW, CA
22773 3510 3055 301 ASN-CXA-ALL-CCI-22773-RDC, US
749 3160 54933 2412 DNIC-AS-00749, US
16625 3114 1382 2295 AKAMAI-AS, US
367 3039 3870 1438 DNIC-ASBLK-00306-00371, US
396982 2720 3626 394 GOOGLE-CLOUD-PLATFORM, US
7018 2522 23616 1600 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 7434 1713 145 UNI2-AS, ES
39891 4570 271 54 ALJAWWALSTC-AS, SA
20940 4006 3397 141 AKAMAI-ASN1, NL
8551 3443 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
9009 3418 296 1593 M247, RO
12389 2971 2295 914 ROSTELECOM-AS, RU
34984 2323 361 591 TELLCOM-AS, TR
58224 1661 913 572 TCI, IR
13188 1607 100 26 TRIOLAN, UA
8452 1518 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 12000 3371 600 UNINET, MX
10620 3541 504 860 Telmex Colombia S.A., CO
13999 2444 333 634 Mega Cable, S.A. de C.V., MX
11830 2006 369 64 Instituto Costarricense de Electricidad
28573 1332 2322 236 Claro NXT Telecomunicacoes Ltda, BR
3816 1297 778 195 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6503 1250 342 505 Axtel, S.A.B. de C.V., MX
6147 1105 369 22 Telefonica del Peru S.A.A., PE
11664 1056 168 431 Techtel LMDS Comunicaciones Interactiva
26615 1038 2501 51 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 1611 393 19 LINKdotNET-AS, EG
24835 1549 549 28 RAYA-AS, EG
36992 1358 1518 280 ETISALAT-MISR, EG
36903 1248 553 98 MT-MPLS, MA
29571 1045 67 53 ORANGE-COTE-IVOIRE, CI
36935 935 521 43 Vodafone-, EG
6713 552 1861 34 IAM-AS, MA
15399 521 54 46 WANANCHI-, KE
37342 493 32 1 MOVITEL, MZ
24757 461 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 12000 3371 600 UNINET, MX
9808 9716 8730 43 CHINAMOBILE-CN China Mobile Communicati
16509 9176 11051 3360 AMAZON-02, US
12479 7434 1713 145 UNI2-AS, ES
7545 5716 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4921 4192 75 ERX-CERNET-BKB China Education and Rese
39891 4570 271 54 ALJAWWALSTC-AS, SA
11492 4550 302 673 CABLEONE, US
18403 4255 347 25 FPT-AS-AP FPT Telecom Company, VN
7155 4174 288 100 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 9716 9673 CHINAMOBILE-CN China Mobile Communications Grou
12479 7434 7289 UNI2-AS, ES
16509 9176 5816 AMAZON-02, US
7545 5716 5024 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4921 4846 ERX-CERNET-BKB China Education and Research Net
39891 4570 4516 ALJAWWALSTC-AS, SA
18403 4255 4230 FPT-AS-AP FPT Telecom Company, VN
7155 4174 4074 VIASAT-SP-BACKBONE, US
11492 4550 3877 CABLEONE, US
20940 4006 3865 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
216013 UNALLOCATED 2.57.240.0/24 20473 AS-CHOOPA, US
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
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 /11:100 /12:299
/13:582 /14:1195 /15:2060 /16:13478 /17:8334 /18:13826
/19:25156 /20:44401 /21:51568 /22:110631 /23:99458 /24:563121
/25:729 /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 6524 7434 UNI2-AS, ES
8151 6024 12000 UNINET, MX
11492 3463 4550 CABLEONE, US
6327 3364 3554 SHAW, CA
39891 3324 4570 ALJAWWALSTC-AS, SA
7155 3119 4174 VIASAT-SP-BACKBONE, US
8551 2920 3443 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2564 3510 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2140 2485 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2115 3541 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2250 2:1437 3:271 4:5 5:4378 6:161
7:6 8:1538 9:1 11:172 12:1495 13:354
14:2319 15:304 16:202 17:364 18:671 20:317
21:4 22:188 23:6520 24:2560 25:2 27:2526
29:19 31:2560 32:61 34:29 35:118 36:2023
37:4461 38:5563 39:866 40:149 41:3971 42:2079
43:2302 44:329 45:16828 46:4391 47:372 49:1871
50:1888 51:575 52:1587 54:392 55:885 56:5
57:127 58:1884 59:1173 60:1012 61:2567 62:2699
63:1904 64:5502 65:2329 66:5015 67:3060 68:1350
69:4126 70:1179 71:605 72:2926 74:2641 75:1567
76:636 77:2336 78:1828 79:3014 80:2109 81:1852
82:1525 83:1305 84:1616 85:2993 86:754 87:1941
88:1229 89:3954 90:627 91:7878 92:2134 93:2638
94:3583 95:3999 96:1300 97:315 98:1078 99:735
100:91 101:1150 102:2958 103:32269 104:4824 105:574
106:986 107:2789 108:1140 109:4224 110:2133 111:3196
112:2077 113:1743 114:1712 115:1987 116:1938 117:2495
118:2717 119:1942 120:1804 121:1247 122:2627 123:2230
124:1622 125:2654 128:1478 129:923 130:1056 131:1997
132:822 133:408 134:1698 135:301 136:907 137:988
138:2720 139:1578 140:1331 141:1330 142:1553 143:1524
144:1007 145:343 146:1969 147:1628 148:2465 149:2341
150:877 151:1250 152:1844 153:536 154:5332 155:1388
156:2106 157:1355 158:1051 159:2201 160:2620 161:1600
162:3526 163:1616 164:1660 165:1853 166:1078 167:1752
168:3868 169:793 170:4682 171:957 172:3872 173:2996
174:957 175:1193 176:3625 177:4649 178:3523 179:2224
180:2264 181:3581 182:3414 183:1999 184:2270 185:20661
186:4773 187:4238 188:4058 189:3964 190:9314 191:1472
192:11013 193:8983 194:7313 195:5132 196:3128 197:2497
198:6020 199:6464 200:8057 201:6257 202:10604 203:10033
204:4555 205:3699 206:4438 207:3527 208:4129 209:4930
210:4520 211:2554 212:4257 213:3410 214:1116 215:71
216:6710 217:2779 218:1323 219:582 220:2034 221:1006
222:860 223:2218
End of report
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