[cmNOG] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Jan 13 18:03:17 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 14 Jan, 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: 919061
Prefixes after maximum aggregation (per Origin AS): 347675
Deaggregation factor: 2.64
Unique aggregates announced (without unneeded subnets): 445061
Total ASes present in the Internet Routing Table: 74077
Prefixes per ASN: 12.41
Origin-only ASes present in the Internet Routing Table: 63583
Origin ASes announcing only one prefix: 26147
Transit ASes present in the Internet Routing Table: 10494
Transit-only ASes present in the Internet Routing Table: 429
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: 994
Number of instances of unregistered ASNs: 1003
Number of 32-bit ASNs allocated by the RIRs: 41044
Number of 32-bit ASNs visible in the Routing Table: 34030
Prefixes from 32-bit ASNs in the Routing Table: 166103
Number of bogon 32-bit ASNs visible in the Routing Table: 28
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 506
Number of addresses announced to Internet: 3064089600
Equivalent to 182 /8s, 162 /16s and 76 /24s
Percentage of available address space announced: 82.8
Percentage of allocated address space announced: 82.8
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: 312162
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 240102
Total APNIC prefixes after maximum aggregation: 68700
APNIC Deaggregation factor: 3.49
Prefixes being announced from the APNIC address blocks: 235168
Unique aggregates announced from the APNIC address blocks: 97635
APNIC Region origin ASes present in the Internet Routing Table: 13228
APNIC Prefixes per ASN: 17.78
APNIC Region origin ASes announcing only one prefix: 3846
APNIC Region transit ASes present in the Internet Routing Table: 1771
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: 8486
Number of APNIC addresses announced to Internet: 773797504
Equivalent to 46 /8s, 31 /16s and 54 /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, 131072-151865
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: 267585
Total ARIN prefixes after maximum aggregation: 121726
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 269035
Unique aggregates announced from the ARIN address blocks: 129786
ARIN Region origin ASes present in the Internet Routing Table: 19078
ARIN Prefixes per ASN: 14.10
ARIN Region origin ASes announcing only one prefix: 6985
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: 37
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4730
Number of ARIN addresses announced to Internet: 1286418688
Equivalent to 76 /8s, 173 /16s and 49 /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: 264097
Total RIPE prefixes after maximum aggregation: 122331
RIPE Deaggregation factor: 2.16
Prefixes being announced from the RIPE address blocks: 260772
Unique aggregates announced from the RIPE address blocks: 156173
RIPE Region origin ASes present in the Internet Routing Table: 28235
RIPE Prefixes per ASN: 9.24
RIPE Region origin ASes announcing only one prefix: 12065
RIPE Region transit ASes present in the Internet Routing Table: 3970
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 10989
Number of RIPE addresses announced to Internet: 719307136
Equivalent to 42 /8s, 223 /16s and 193 /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: 117520
Total LACNIC prefixes after maximum aggregation: 28456
LACNIC Deaggregation factor: 4.13
Prefixes being announced from the LACNIC address blocks: 116752
Unique aggregates announced from the LACNIC address blocks: 48964
LACNIC Region origin ASes present in the Internet Routing Table: 11006
LACNIC Prefixes per ASN: 10.61
LACNIC Region origin ASes announcing only one prefix: 2660
LACNIC Region transit ASes present in the Internet Routing Table: 2277
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: 8775
Number of LACNIC addresses announced to Internet: 176079360
Equivalent to 10 /8s, 126 /16s and 194 /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: 28763
Total AfriNIC prefixes after maximum aggregation: 5705
AfriNIC Deaggregation factor: 5.04
Prefixes being announced from the AfriNIC address blocks: 36828
Unique aggregates announced from the AfriNIC address blocks: 12091
AfriNIC Region origin ASes present in the Internet Routing Table: 1708
AfriNIC Prefixes per ASN: 21.56
AfriNIC Region origin ASes announcing only one prefix: 591
AfriNIC Region transit ASes present in the Internet Routing Table: 324
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 30
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1050
Number of AfriNIC addresses announced to Internet: 108193280
Equivalent to 6 /8s, 114 /16s and 230 /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 9358 8884 50 CHINAMOBILE-CN China Mobile Communicati
7545 5940 786 699 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4861 4192 75 ERX-CERNET-BKB China Education and Rese
7552 3626 1331 21 VIETEL-AS-AP Viettel Group, VN
7713 3507 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3381 1874 96 VNPT-AS-VN VNPT Corp, VN
9498 2697 499 237 BBIL-AP BHARTI Airtel Ltd., IN
4766 2508 11250 592 KIXS-AS-KR Korea Telecom, KR
24560 2360 849 436 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
45090 2180 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute
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 7739 10695 2936 AMAZON-02, US
11492 4548 301 578 CABLEONE, US
7155 3895 265 33 VIASAT-SP-BACKBONE, US
22773 3690 3062 320 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3523 1320 63 SHAW, CA
16625 3467 1791 2516 AKAMAI-AS, US
749 3023 50575 2290 DNIC-AS-00749, US
7018 2621 24133 1589 ATT-INTERNET4, US
396982 2577 3493 370 GOOGLE-CLOUD-PLATFORM, US
30036 2569 368 361 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 6965 1706 146 UNI2-AS, ES
9121 6111 1692 17 TTNET, TR
39891 4556 268 59 ALJAWWALSTC-AS, SA
20940 4060 3400 181 AKAMAI-ASN1, NL
8551 3908 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2941 2290 908 ROSTELECOM-AS, RU
47331 2802 411 2109 TTNET, TR
9009 2656 253 1364 M247, RO
34984 2254 358 610 TELLCOM-AS, TR
6849 2194 339 20 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 10924 3337 589 Uninet S.A. de C.V., MX
10620 3469 507 852 Telmex Colombia S.A., CO
11830 2261 369 64 Instituto Costarricense de Electricidad
13999 2208 362 594 Mega Cable, S.A. de C.V., MX
28573 1345 2328 258 Claro NXT Telecomunicacoes Ltda, BR
6503 1295 339 517 Axtel, S.A.B. de C.V., MX
3816 1291 740 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1151 370 22 Telefonica del Peru S.A.A., PE
11664 1136 186 465 Techtel LMDS Comunicaciones Interactiva
26615 1006 2466 43 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 1538 533 30 RAYA-AS, EG
24863 1477 393 21 LINKdotNET-AS, EG
36992 1327 1517 275 ETISALAT-MISR, EG
36903 1242 550 99 MT-MPLS, MA
29571 1005 67 46 ORANGE-COTE-IVOIRE, CI
36935 884 520 42 Vodafone-, EG
6713 611 1861 34 IAM-AS, MA
15399 517 53 42 WANANCHI-, KE
37342 494 32 1 MOVITEL, MZ
24757 493 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 10924 3337 589 Uninet S.A. de C.V., MX
9808 9358 8884 50 CHINAMOBILE-CN China Mobile Communicati
16509 7739 10695 2936 AMAZON-02, US
12479 6965 1706 146 UNI2-AS, ES
9121 6111 1692 17 TTNET, TR
7545 5940 786 699 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4861 4192 75 ERX-CERNET-BKB China Education and Rese
39891 4556 268 59 ALJAWWALSTC-AS, SA
11492 4548 301 578 CABLEONE, US
20940 4060 3400 181 AKAMAI-ASN1, NL
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 9358 9308 CHINAMOBILE-CN China Mobile Communications Grou
12479 6965 6819 UNI2-AS, ES
9121 6111 6094 TTNET, TR
7545 5940 5241 TPG-INTERNET-AP TPG Telecom Limited, AU
16509 7739 4803 AMAZON-02, US
4538 4861 4786 ERX-CERNET-BKB China Education and Research Net
39891 4556 4497 ALJAWWALSTC-AS, SA
11492 4548 3970 CABLEONE, US
20940 4060 3879 AKAMAI-ASN1, NL
8551 3908 3870 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
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
398083 UNALLOCATED 5.133.124.0/24 399587 UT, US
3402 UNALLOCATED 8.2.200.0/21 6939 HURRICANE, US
3402 UNALLOCATED 8.2.207.0/24 2914 NTT-LTD-2914, US
33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US
16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US
16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US
25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US
16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US
25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US
12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M
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
23.131.185.0/24 Origin: 174 COGENT-174, US
23.131.185.0/24 Transit: 2516 KDDI KDDI CORPORATION, JP
23.131.186.0/24 Origin: 174 COGENT-174, US
23.131.186.0/24 Transit: 2516 KDDI KDDI CORPORATION, JP
23.131.187.0/24 Origin: 174 COGENT-174, US
23.131.187.0/24 Transit: 2516 KDDI KDDI CORPORATION, JP
23.131.188.0/24 Origin: 174 COGENT-174, US
23.131.188.0/24 Transit: 2516 KDDI KDDI CORPORATION, JP
23.136.112.0/24 Origin: 54835 UNASSIGNED
23.136.112.0/24 Transit: 21559 OSNET, PR
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 /9:13 /10:39 /11:101 /12:295
/13:582 /14:1200 /15:2039 /16:13497 /17:8317 /18:13928
/19:25206 /20:44302 /21:52313 /22:110293 /23:98297 /24:547814
/25:809 /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 6025 6965 UNI2-AS, ES
9121 5290 6111 TTNET, TR
8151 4973 10924 Uninet S.A. de C.V., MX
39891 3547 4556 ALJAWWALSTC-AS, SA
11492 3455 4548 CABLEONE, US
8551 3373 3908 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
6327 3331 3523 SHAW, CA
7155 2984 3895 VIASAT-SP-BACKBONE, US
22773 2724 3690 ASN-CXA-ALL-CCI-22773-RDC, US
47331 2423 2802 TTNET, TR
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1640 2:1243 3:168 4:5 5:4116 6:109
7:5 8:1572 9:1 11:172 12:1595 13:370
14:2368 15:285 16:79 17:370 18:412 20:243
21:4 22:188 23:6049 24:2467 25:4 27:2646
29:19 31:2500 32:99 34:8 35:100 36:1862
37:4605 38:4005 39:831 40:155 41:3951 42:1051
43:2316 44:303 45:16420 46:4182 47:381 49:1743
50:1917 51:378 52:1543 54:393 55:863 56:8
57:77 58:1744 59:1158 60:1006 61:2421 62:2633
63:1941 64:5658 65:2328 66:4903 67:3054 68:1343
69:4120 70:1256 71:657 72:2980 74:2592 75:1465
76:597 77:2373 78:3955 79:3161 80:2062 81:1825
82:1480 83:1229 84:1514 85:3745 86:747 87:1929
88:2876 89:3563 90:591 91:7643 92:1983 93:2574
94:3519 95:4864 96:1307 97:346 98:1166 99:738
100:75 101:1061 102:2521 103:30793 104:4591 105:484
106:843 107:2538 108:916 109:4376 110:2046 111:3304
112:2045 113:1554 114:1611 115:2043 116:1904 117:2537
118:2293 119:1898 120:1767 121:1113 122:2586 123:2158
124:1600 125:2346 128:1306 129:1062 130:972 131:2014
132:800 133:405 134:1902 135:298 136:886 137:921
138:2579 139:1541 140:1025 141:1478 142:1425 143:1420
144:1184 145:350 146:1900 147:1549 148:2296 149:1875
150:863 151:1132 152:1857 153:478 154:3897 155:1405
156:1649 157:1300 158:1048 159:2267 160:2560 161:1423
162:3536 163:1489 164:1688 165:1655 166:831 167:1737
168:3870 169:921 170:4586 171:886 172:3491 173:3011
174:1026 175:1149 176:3721 177:4743 178:3556 179:2146
180:2379 181:3366 182:3276 183:1929 184:2345 185:19970
186:4654 187:3930 188:4100 189:3451 190:9065 191:1425
192:10955 193:8858 194:7233 195:5116 196:3006 197:2412
198:5994 199:6098 200:7724 201:5887 202:10647 203:10037
204:4609 205:3500 206:3860 207:3416 208:4091 209:4821
210:4437 211:2498 212:4111 213:3569 214:1101 215:55
216:6585 217:2638 218:1279 219:577 220:2019 221:969
222:845 223:1998
End of report
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