[menog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Nov 3 18:02:09 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 04 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: 933958
Prefixes after maximum aggregation (per Origin AS): 355729
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 454391
Total ASes present in the Internet Routing Table: 74997
Prefixes per ASN: 12.45
Origin-only ASes present in the Internet Routing Table: 64330
Origin ASes announcing only one prefix: 26473
Transit ASes present in the Internet Routing Table: 10667
Transit-only ASes present in the Internet Routing Table: 479
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: 1030
Number of instances of unregistered ASNs: 1032
Number of 32-bit ASNs allocated by the RIRs: 43001
Number of 32-bit ASNs visible in the Routing Table: 35319
Prefixes from 32-bit ASNs in the Routing Table: 177112
Number of bogon 32-bit ASNs visible in the Routing Table: 21
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 516
Number of addresses announced to Internet: 3050674432
Equivalent to 181 /8s, 213 /16s and 153 /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: 310611
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 248049
Total APNIC prefixes after maximum aggregation: 71480
APNIC Deaggregation factor: 3.47
Prefixes being announced from the APNIC address blocks: 241295
Unique aggregates announced from the APNIC address blocks: 98869
APNIC Region origin ASes present in the Internet Routing Table: 13723
APNIC Prefixes per ASN: 17.58
APNIC Region origin ASes announcing only one prefix: 4116
APNIC Region transit ASes present in the Internet Routing Table: 1840
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: 9056
Number of APNIC addresses announced to Internet: 772209024
Equivalent to 46 /8s, 6 /16s and 249 /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: 273561
Total ARIN prefixes after maximum aggregation: 124401
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 277878
Unique aggregates announced from the ARIN address blocks: 132392
ARIN Region origin ASes present in the Internet Routing Table: 19082
ARIN Prefixes per ASN: 14.56
ARIN Region origin ASes announcing only one prefix: 6963
ARIN Region transit ASes present in the Internet Routing Table: 1962
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: 4824
Number of ARIN addresses announced to Internet: 1277094656
Equivalent to 76 /8s, 30 /16s and 235 /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: 262031
Total RIPE prefixes after maximum aggregation: 124521
RIPE Deaggregation factor: 2.10
Prefixes being announced from the RIPE address blocks: 256837
Unique aggregates announced from the RIPE address blocks: 160663
RIPE Region origin ASes present in the Internet Routing Table: 28465
RIPE Prefixes per ASN: 9.02
RIPE Region origin ASes announcing only one prefix: 12095
RIPE Region transit ASes present in the Internet Routing Table: 3953
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: 11414
Number of RIPE addresses announced to Internet: 715054464
Equivalent to 42 /8s, 158 /16s and 221 /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: 119225
Total LACNIC prefixes after maximum aggregation: 28606
LACNIC Deaggregation factor: 4.17
Prefixes being announced from the LACNIC address blocks: 118108
Unique aggregates announced from the LACNIC address blocks: 49335
LACNIC Region origin ASes present in the Internet Routing Table: 11049
LACNIC Prefixes per ASN: 10.69
LACNIC Region origin ASes announcing only one prefix: 2673
LACNIC Region transit ASes present in the Internet Routing Table: 2353
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: 8880
Number of LACNIC addresses announced to Internet: 178398720
Equivalent to 10 /8s, 162 /16s and 38 /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: 30062
Total AfriNIC prefixes after maximum aggregation: 6005
AfriNIC Deaggregation factor: 5.01
Prefixes being announced from the AfriNIC address blocks: 39324
Unique aggregates announced from the AfriNIC address blocks: 12702
AfriNIC Region origin ASes present in the Internet Routing Table: 1803
AfriNIC Prefixes per ASN: 21.81
AfriNIC Region origin ASes announcing only one prefix: 626
AfriNIC Region transit ASes present in the Internet Routing Table: 346
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1145
Number of AfriNIC addresses announced to Internet: 107493632
Equivalent to 6 /8s, 104 /16s and 57 /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 9552 8730 43 CHINAMOBILE-CN China Mobile Communicati
7545 5714 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4920 4192 75 ERX-CERNET-BKB China Education and Rese
18403 4231 347 25 FPT-AS-AP FPT Telecom Company, VN
7713 3606 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3326 1872 98 VNPT-AS-VN VNPT Corp, VN
9498 3246 491 240 BBIL-AP BHARTI Airtel Ltd., IN
7552 2960 1330 20 VIETEL-AS-AP Viettel Group, VN
24560 2572 851 372 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 9097 11005 3342 AMAZON-02, US
11492 4540 301 673 CABLEONE, US
7155 4174 288 100 VIASAT-SP-BACKBONE, US
6327 3547 1320 67 SHAW, CA
22773 3515 3055 300 ASN-CXA-ALL-CCI-22773-RDC, US
749 3139 54923 2391 DNIC-AS-00749, US
367 3070 3854 1446 DNIC-ASBLK-00306-00371, US
16625 3042 1385 2302 AKAMAI-AS, US
396982 2710 3598 400 GOOGLE-CLOUD-PLATFORM, US
7018 2511 23614 1593 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 7405 1713 145 UNI2-AS, ES
39891 4570 271 54 ALJAWWALSTC-AS, SA
20940 4026 3397 142 AKAMAI-ASN1, NL
8551 3443 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
9009 3418 296 1596 M247, RO
12389 2970 2295 915 ROSTELECOM-AS, RU
34984 2325 361 593 TELLCOM-AS, TR
58224 1664 913 569 TCI, IR
13188 1606 100 27 TRIOLAN, UA
8452 1497 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 11934 3370 608 UNINET, MX
10620 3544 504 860 Telmex Colombia S.A., CO
13999 2423 331 635 Mega Cable, S.A. de C.V., MX
11830 2005 369 64 Instituto Costarricense de Electricidad
28573 1331 2322 236 Claro NXT Telecomunicacoes Ltda, BR
3816 1295 777 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6503 1250 342 505 Axtel, S.A.B. de C.V., MX
6147 1101 369 22 Telefonica del Peru S.A.A., PE
11664 1059 168 431 Techtel LMDS Comunicaciones Interactiva
26615 1039 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 1606 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 938 521 44 Vodafone-, EG
6713 552 1861 34 IAM-AS, MA
15399 520 54 45 WANANCHI-, KE
37342 494 32 1 MOVITEL, MZ
24757 480 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 11934 3370 608 UNINET, MX
9808 9552 8730 43 CHINAMOBILE-CN China Mobile Communicati
16509 9097 11005 3342 AMAZON-02, US
12479 7405 1713 145 UNI2-AS, ES
7545 5714 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4920 4192 75 ERX-CERNET-BKB China Education and Rese
39891 4570 271 54 ALJAWWALSTC-AS, SA
11492 4540 301 673 CABLEONE, US
18403 4231 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 9552 9509 CHINAMOBILE-CN China Mobile Communications Grou
12479 7405 7260 UNI2-AS, ES
16509 9097 5755 AMAZON-02, US
7545 5714 5021 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4920 4845 ERX-CERNET-BKB China Education and Research Net
39891 4570 4516 ALJAWWALSTC-AS, SA
18403 4231 4206 FPT-AS-AP FPT Telecom Company, VN
7155 4174 4074 VIASAT-SP-BACKBONE, US
20940 4026 3884 AKAMAI-ASN1, NL
11492 4540 3867 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
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
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 RESERVED, ZZ
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
23.164.232.0/24 Origin: 53763 LAKESIDE, US
23.164.232.0/24 Transit: 20473 AS-CHOOPA, 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
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 /16:13470 /17:8335 /18:13832
/19:25159 /20:44409 /21:51564 /22:110495 /23:99382 /24:562275
/25:733 /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 6495 7405 UNI2-AS, ES
8151 5970 11934 UNINET, MX
11492 3453 4540 CABLEONE, US
6327 3356 3547 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 2569 3515 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2148 2493 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2118 3544 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 2:1432 3:271 4:5 5:4390 6:159
7:6 8:1540 9:1 11:172 12:1497 13:350
14:2319 15:304 16:202 17:369 18:666 20:316
21:4 22:188 23:6499 24:2549 25:2 27:2534
29:19 31:2555 32:71 34:28 35:118 36:2018
37:4480 38:5504 39:865 40:149 41:3977 42:2073
43:2300 44:326 45:16769 46:4385 47:372 49:1875
50:1886 51:577 52:1587 54:390 55:885 56:5
57:127 58:1887 59:1173 60:1011 61:2553 62:2669
63:1903 64:5519 65:2342 66:5017 67:3057 68:1343
69:4136 70:1185 71:624 72:2943 74:2637 75:1565
76:640 77:2333 78:1826 79:3002 80:2103 81:1867
82:1525 83:1304 84:1617 85:3017 86:770 87:1936
88:1230 89:3954 90:624 91:7861 92:2127 93:2634
94:3564 95:3998 96:1302 97:315 98:1085 99:734
100:91 101:1142 102:2924 103:32179 104:4780 105:576
106:989 107:2781 108:1138 109:4260 110:2138 111:3184
112:2065 113:1805 114:1706 115:1986 116:1934 117:2480
118:2691 119:1943 120:1786 121:1245 122:2625 123:2224
124:1623 125:2640 128:1463 129:920 130:1053 131:1981
132:817 133:408 134:1693 135:300 136:909 137:983
138:2694 139:1584 140:1328 141:1327 142:1545 143:1531
144:1005 145:344 146:1963 147:1627 148:2451 149:2374
150:878 151:1243 152:1843 153:534 154:5292 155:1394
156:2102 157:1355 158:1059 159:2197 160:2615 161:1595
162:3512 163:1611 164:1682 165:1849 166:1075 167:1755
168:3874 169:792 170:4640 171:952 172:3868 173:3001
174:981 175:1189 176:3617 177:4506 178:3540 179:2192
180:2282 181:3584 182:3405 183:1989 184:2259 185:20652
186:4751 187:4216 188:4058 189:3946 190:9317 191:1422
192:10990 193:8968 194:7315 195:5232 196:3124 197:2511
198:6033 199:6449 200:8065 201:6197 202:10593 203:10049
204:4555 205:3710 206:4398 207:3522 208:4128 209:4924
210:4502 211:2542 212:4260 213:3404 214:1118 215:71
216:6726 217:2762 218:1309 219:583 220:2034 221:998
222:858 223:2188
End of report
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