[menog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Dec 9 18:03:11 UTC 2022
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 10 Dec, 2022
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: 916614
Prefixes after maximum aggregation (per Origin AS): 346701
Deaggregation factor: 2.64
Unique aggregates announced (without unneeded subnets): 443400
Total ASes present in the Internet Routing Table: 73926
Prefixes per ASN: 12.40
Origin-only ASes present in the Internet Routing Table: 63481
Origin ASes announcing only one prefix: 26081
Transit ASes present in the Internet Routing Table: 10445
Transit-only ASes present in the Internet Routing Table: 422
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: 1039
Number of instances of unregistered ASNs: 1044
Number of 32-bit ASNs allocated by the RIRs: 40848
Number of 32-bit ASNs visible in the Routing Table: 33831
Prefixes from 32-bit ASNs in the Routing Table: 164978
Number of bogon 32-bit ASNs visible in the Routing Table: 16
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 516
Number of addresses announced to Internet: 3061103104
Equivalent to 182 /8s, 116 /16s and 186 /24s
Percentage of available address space announced: 82.7
Percentage of allocated address space announced: 82.7
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: 311058
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 239692
Total APNIC prefixes after maximum aggregation: 68356
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 234528
Unique aggregates announced from the APNIC address blocks: 97353
APNIC Region origin ASes present in the Internet Routing Table: 13152
APNIC Prefixes per ASN: 17.83
APNIC Region origin ASes announcing only one prefix: 3835
APNIC Region transit ASes present in the Internet Routing Table: 1756
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 31
Number of APNIC region 32-bit ASNs visible in the Routing Table: 8409
Number of APNIC addresses announced to Internet: 773713792
Equivalent to 46 /8s, 29 /16s and 239 /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: 267472
Total ARIN prefixes after maximum aggregation: 121859
ARIN Deaggregation factor: 2.19
Prefixes being announced from the ARIN address blocks: 269090
Unique aggregates announced from the ARIN address blocks: 129548
ARIN Region origin ASes present in the Internet Routing Table: 19058
ARIN Prefixes per ASN: 14.12
ARIN Region origin ASes announcing only one prefix: 6967
ARIN Region transit ASes present in the Internet Routing Table: 1939
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4697
Number of ARIN addresses announced to Internet: 1286705664
Equivalent to 76 /8s, 177 /16s and 146 /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: 262550
Total RIPE prefixes after maximum aggregation: 121662
RIPE Deaggregation factor: 2.16
Prefixes being announced from the RIPE address blocks: 259368
Unique aggregates announced from the RIPE address blocks: 155340
RIPE Region origin ASes present in the Internet Routing Table: 28184
RIPE Prefixes per ASN: 9.20
RIPE Region origin ASes announcing only one prefix: 12019
RIPE Region transit ASes present in the Internet Routing Table: 3963
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: 10917
Number of RIPE addresses announced to Internet: 716202624
Equivalent to 42 /8s, 176 /16s and 98 /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: 117310
Total LACNIC prefixes after maximum aggregation: 28390
LACNIC Deaggregation factor: 4.13
Prefixes being announced from the LACNIC address blocks: 116624
Unique aggregates announced from the LACNIC address blocks: 48738
LACNIC Region origin ASes present in the Internet Routing Table: 11008
LACNIC Prefixes per ASN: 10.59
LACNIC Region origin ASes announcing only one prefix: 2669
LACNIC Region transit ASes present in the Internet Routing Table: 2267
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 55
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8766
Number of LACNIC addresses announced to Internet: 176063744
Equivalent to 10 /8s, 126 /16s and 133 /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: 28551
Total AfriNIC prefixes after maximum aggregation: 5649
AfriNIC Deaggregation factor: 5.05
Prefixes being announced from the AfriNIC address blocks: 36488
Unique aggregates announced from the AfriNIC address blocks: 11996
AfriNIC Region origin ASes present in the Internet Routing Table: 1705
AfriNIC Prefixes per ASN: 21.40
AfriNIC Region origin ASes announcing only one prefix: 591
AfriNIC Region transit ASes present in the Internet Routing Table: 329
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 37
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1042
Number of AfriNIC addresses announced to Internet: 108125184
Equivalent to 6 /8s, 113 /16s and 220 /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 9144 8884 50 CHINAMOBILE-CN China Mobile Communicati
7545 5945 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4883 4192 75 ERX-CERNET-BKB China Education and Rese
7552 3625 1331 21 VIETEL-AS-AP Viettel Group, VN
7713 3504 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3365 1867 87 VNPT-AS-VN VNPT Corp, VN
9498 2574 499 237 BBIL-AP BHARTI Airtel Ltd., IN
4766 2534 11252 598 KIXS-AS-KR Korea Telecom, KR
24560 2313 849 417 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 7714 10631 2892 AMAZON-02, US
11492 4548 301 567 CABLEONE, US
7155 3893 265 32 VIASAT-SP-BACKBONE, US
22773 3690 3059 312 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3528 1320 63 SHAW, CA
16625 3474 1817 2515 AKAMAI-AS, US
749 3030 50577 2297 DNIC-AS-00749, US
7018 2586 24125 1556 ATT-INTERNET4, US
30036 2579 369 336 MEDIACOM-ENTERPRISE-BUSINESS, US
396982 2567 3482 362 GOOGLE-CLOUD-PLATFORM, 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 6964 1730 151 UNI2-AS, ES
9121 6366 1692 17 TTNET, TR
20940 4063 3400 183 AKAMAI-ASN1, NL
39891 4010 234 47 ALJAWWALSTC-AS, SA
8551 3700 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2941 2290 907 ROSTELECOM-AS, RU
9009 2644 252 1362 M247, RO
47331 2591 387 1954 TTNET, TR
34984 2250 357 609 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 10854 3338 596 Uninet S.A. de C.V., MX
10620 3463 507 853 Telmex Colombia S.A., CO
11830 2255 369 64 Instituto Costarricense de Electricidad
13999 2160 353 569 Mega Cable, S.A. de C.V., MX
28573 1337 2327 257 Claro NXT Telecomunicacoes Ltda, BR
6503 1293 338 521 Axtel, S.A.B. de C.V., MX
3816 1291 740 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1154 370 22 Telefonica del Peru S.A.A., PE
11664 1136 184 473 Techtel LMDS Comunicaciones Interactiva
26615 987 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 1548 537 31 RAYA-AS, EG
24863 1537 393 21 LINKdotNET-AS, EG
36992 1356 1520 269 ETISALAT-MISR, EG
36903 1242 550 99 MT-MPLS, MA
29571 1014 67 40 ORANGE-COTE-IVOIRE, CI
36935 880 520 42 Vodafone-, EG
6713 613 1863 34 IAM-AS, MA
15399 519 53 42 WANANCHI-, KE
37342 442 32 1 MOVITEL, MZ
2018 375 319 72 TENET-1, ZA
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 10854 3338 596 Uninet S.A. de C.V., MX
9808 9144 8884 50 CHINAMOBILE-CN China Mobile Communicati
16509 7714 10631 2892 AMAZON-02, US
12479 6964 1730 151 UNI2-AS, ES
9121 6366 1692 17 TTNET, TR
7545 5945 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4883 4192 75 ERX-CERNET-BKB China Education and Rese
11492 4548 301 567 CABLEONE, US
20940 4063 3400 183 AKAMAI-ASN1, NL
39891 4010 234 47 ALJAWWALSTC-AS, SA
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 9144 9094 CHINAMOBILE-CN China Mobile Communications Grou
12479 6964 6813 UNI2-AS, ES
9121 6366 6349 TTNET, TR
7545 5945 5251 TPG-INTERNET-AP TPG Telecom Limited, AU
16509 7714 4822 AMAZON-02, US
4538 4883 4808 ERX-CERNET-BKB China Education and Research Net
11492 4548 3981 CABLEONE, US
39891 4010 3963 ALJAWWALSTC-AS, SA
20940 4063 3880 AKAMAI-ASN1, NL
7155 3893 3861 VIASAT-SP-BACKBONE, 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
65000 PRIVATE 2.92.64.0/20 8371 VIMPELCOM-NN Vimpelcom, Nizh
65000 PRIVATE 2.92.80.0/20 8371 VIMPELCOM-NN Vimpelcom, Nizh
398083 UNALLOCATED 5.133.124.0/24 399587 UT, 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: 46450 PILOT, US
23.131.188.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE
23.131.189.0/24 Origin: 150303 SOLORDP-AS-AP SoloRDP, IN
23.131.189.0/24 Transit: 140947 SNTHOSTINGS-AS-AP SnTHostings, IN
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 /11:100 /12:294
/13:584 /14:1202 /15:2050 /16:13516 /17:8320 /18:13915
/19:25212 /20:44298 /21:52360 /22:110154 /23:97972 /24:545764
/25:805 /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 5999 6964 UNI2-AS, ES
9121 5528 6366 TTNET, TR
8151 4844 10854 Uninet S.A. de C.V., MX
11492 3455 4548 CABLEONE, US
6327 3336 3528 SHAW, CA
39891 3193 4010 ALJAWWALSTC-AS, SA
8551 3166 3700 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7155 2982 3893 VIASAT-SP-BACKBONE, US
22773 2724 3690 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2237 2579 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1732 2:1024 3:168 4:5 5:4067 6:109
7:5 8:1580 9:1 11:173 12:1613 13:370
14:2374 15:287 16:75 17:371 18:395 20:242
21:4 22:188 23:6001 24:2451 25:4 27:2703
29:19 31:2486 32:103 34:8 35:95 36:1811
37:4573 38:3919 39:816 40:144 41:3935 42:1134
43:2313 44:305 45:16389 46:4173 47:378 49:1722
50:1939 51:246 52:1522 54:394 55:839 56:8
57:78 58:1789 59:1158 60:1006 61:2428 62:2599
63:1956 64:5628 65:2327 66:4841 67:3032 68:1372
69:4155 70:1281 71:665 72:2990 74:2614 75:1466
76:599 77:2257 78:3969 79:2940 80:2045 81:1822
82:1488 83:1228 84:1498 85:3747 86:749 87:1927
88:2841 89:3501 90:581 91:7624 92:1983 93:2569
94:3530 95:4821 96:1317 97:344 98:1173 99:740
100:69 101:1059 102:2476 103:30573 104:4573 105:483
106:825 107:2551 108:918 109:4330 110:2044 111:3305
112:2032 113:1571 114:1604 115:2038 116:1901 117:2466
118:2320 119:1920 120:1726 121:1108 122:2590 123:2139
124:1576 125:2222 128:1266 129:979 130:978 131:2006
132:803 133:400 134:1903 135:294 136:880 137:921
138:2578 139:1500 140:1033 141:1476 142:1413 143:1463
144:1200 145:351 146:1893 147:1512 148:2280 149:1883
150:865 151:1148 152:1846 153:458 154:3845 155:1411
156:1634 157:1284 158:1041 159:2244 160:2576 161:1429
162:3534 163:1473 164:1678 165:1625 166:847 167:1732
168:3854 169:920 170:4570 171:872 172:3523 173:3090
174:1037 175:1144 176:3631 177:4788 178:3548 179:2137
180:2367 181:3374 182:3264 183:1935 184:2364 185:19983
186:4619 187:3944 188:4075 189:3450 190:9032 191:1478
192:11005 193:8807 194:7224 195:5094 196:2983 197:2363
198:6013 199:6108 200:7726 201:5847 202:10640 203:10056
204:4608 205:3518 206:3813 207:3407 208:4125 209:4828
210:4429 211:2494 212:4060 213:3539 214:1111 215:55
216:6597 217:2637 218:1273 219:575 220:2032 221:954
222:839 223:2013
End of report
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