[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Nov 25 18:02:50 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 26 Nov, 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: 916410
Prefixes after maximum aggregation (per Origin AS): 346196
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 442878
Total ASes present in the Internet Routing Table: 73851
Prefixes per ASN: 12.41
Origin-only ASes present in the Internet Routing Table: 63411
Origin ASes announcing only one prefix: 26014
Transit ASes present in the Internet Routing Table: 10440
Transit-only ASes present in the Internet Routing Table: 416
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: 991
Number of instances of unregistered ASNs: 998
Number of 32-bit ASNs allocated by the RIRs: 40721
Number of 32-bit ASNs visible in the Routing Table: 33758
Prefixes from 32-bit ASNs in the Routing Table: 164456
Number of bogon 32-bit ASNs visible in the Routing Table: 20
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 519
Number of addresses announced to Internet: 3063543424
Equivalent to 182 /8s, 153 /16s and 246 /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: 311115
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 239651
Total APNIC prefixes after maximum aggregation: 68233
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 234616
Unique aggregates announced from the APNIC address blocks: 97365
APNIC Region origin ASes present in the Internet Routing Table: 13129
APNIC Prefixes per ASN: 17.87
APNIC Region origin ASes announcing only one prefix: 3814
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: 8380
Number of APNIC addresses announced to Internet: 773709568
Equivalent to 46 /8s, 29 /16s and 223 /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: 267370
Total ARIN prefixes after maximum aggregation: 121947
ARIN Deaggregation factor: 2.19
Prefixes being announced from the ARIN address blocks: 268887
Unique aggregates announced from the ARIN address blocks: 129472
ARIN Region origin ASes present in the Internet Routing Table: 19076
ARIN Prefixes per ASN: 14.10
ARIN Region origin ASes announcing only one prefix: 6975
ARIN Region transit ASes present in the Internet Routing Table: 1934
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4685
Number of ARIN addresses announced to Internet: 1289378560
Equivalent to 76 /8s, 218 /16s and 91 /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: 262443
Total RIPE prefixes after maximum aggregation: 121256
RIPE Deaggregation factor: 2.16
Prefixes being announced from the RIPE address blocks: 259105
Unique aggregates announced from the RIPE address blocks: 154703
RIPE Region origin ASes present in the Internet Routing Table: 28130
RIPE Prefixes per ASN: 9.21
RIPE Region origin ASes announcing only one prefix: 11967
RIPE Region transit ASes present in the Internet Routing Table: 3956
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: 10893
Number of RIPE addresses announced to Internet: 716124032
Equivalent to 42 /8s, 175 /16s and 47 /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: 117281
Total LACNIC prefixes after maximum aggregation: 28363
LACNIC Deaggregation factor: 4.13
Prefixes being announced from the LACNIC address blocks: 116654
Unique aggregates announced from the LACNIC address blocks: 48886
LACNIC Region origin ASes present in the Internet Routing Table: 11006
LACNIC Prefixes per ASN: 10.60
LACNIC Region origin ASes announcing only one prefix: 2663
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: 8764
Number of LACNIC addresses announced to Internet: 175912448
Equivalent to 10 /8s, 124 /16s and 54 /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: 28674
Total AfriNIC prefixes after maximum aggregation: 5642
AfriNIC Deaggregation factor: 5.08
Prefixes being announced from the AfriNIC address blocks: 36629
Unique aggregates announced from the AfriNIC address blocks: 12024
AfriNIC Region origin ASes present in the Internet Routing Table: 1708
AfriNIC Prefixes per ASN: 21.45
AfriNIC Region origin ASes announcing only one prefix: 595
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: 1036
Number of AfriNIC addresses announced to Internet: 108127744
Equivalent to 6 /8s, 113 /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 9139 8884 50 CHINAMOBILE-CN China Mobile Communicati
7545 5948 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4880 4192 75 ERX-CERNET-BKB China Education and Rese
7552 3624 1330 20 VIETEL-AS-AP Viettel Group, VN
7713 3515 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3365 1867 82 VNPT-AS-VN VNPT Corp, VN
9498 2543 499 237 BBIL-AP BHARTI Airtel Ltd., IN
4766 2536 11252 601 KIXS-AS-KR Korea Telecom, KR
24560 2301 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 7661 10622 2886 AMAZON-02, US
11492 4579 303 539 CABLEONE, US
7155 3966 265 32 VIASAT-SP-BACKBONE, US
22773 3729 3061 327 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3588 1879 2570 AKAMAI-AS, US
6327 3524 1320 63 SHAW, CA
749 3065 50661 2332 DNIC-AS-00749, US
30036 2589 369 312 MEDIACOM-ENTERPRISE-BUSINESS, US
7018 2585 24059 1552 ATT-INTERNET4, US
396982 2564 3482 359 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 6952 1730 145 UNI2-AS, ES
9121 6401 1692 17 TTNET, TR
20940 4107 3400 183 AKAMAI-ASN1, NL
39891 4010 234 47 ALJAWWALSTC-AS, SA
8551 3979 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2950 2290 912 ROSTELECOM-AS, RU
9009 2647 253 1361 M247, RO
47331 2548 377 1923 TTNET, TR
34984 2246 357 610 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 10889 3350 600 Uninet S.A. de C.V., MX
10620 3455 506 852 Telmex Colombia S.A., CO
11830 2301 369 64 Instituto Costarricense de Electricidad
13999 2125 348 550 Mega Cable, S.A. de C.V., MX
28573 1336 2327 262 Claro NXT Telecomunicacoes Ltda, BR
6503 1293 338 521 Axtel, S.A.B. de C.V., MX
3816 1287 728 154 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11664 1131 183 478 Techtel LMDS Comunicaciones Interactiva
6147 1087 369 22 Telefonica del Peru S.A.A., PE
26615 988 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 1545 537 31 RAYA-AS, EG
24863 1539 393 21 LINKdotNET-AS, EG
36992 1356 1520 269 ETISALAT-MISR, EG
36903 1242 550 99 MT-MPLS, MA
29571 1011 67 40 ORANGE-COTE-IVOIRE, CI
36935 879 520 42 Vodafone-, EG
6713 613 1863 34 IAM-AS, MA
15399 530 54 45 WANANCHI-, KE
37342 441 32 1 MOVITEL, MZ
23889 400 231 14 MauritiusTelecom, MU
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 10889 3350 600 Uninet S.A. de C.V., MX
9808 9139 8884 50 CHINAMOBILE-CN China Mobile Communicati
16509 7661 10622 2886 AMAZON-02, US
12479 6952 1730 145 UNI2-AS, ES
9121 6401 1692 17 TTNET, TR
7545 5948 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4880 4192 75 ERX-CERNET-BKB China Education and Rese
11492 4579 303 539 CABLEONE, US
20940 4107 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 9139 9089 CHINAMOBILE-CN China Mobile Communications Grou
12479 6952 6807 UNI2-AS, ES
9121 6401 6384 TTNET, TR
7545 5948 5253 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4880 4805 ERX-CERNET-BKB China Education and Research Net
16509 7661 4775 AMAZON-02, US
11492 4579 4040 CABLEONE, US
39891 4010 3963 ALJAWWALSTC-AS, SA
8551 3979 3941 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7155 3966 3934 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
23.131.184.0/24 Origin: 174 COGENT-174, US
23.131.184.0/24 Transit: 2516 KDDI KDDI CORPORATION, JP
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
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 /12:295
/13:587 /14:1201 /15:2045 /16:13523 /17:8317 /18:13914
/19:25200 /20:44361 /21:52438 /22:110265 /23:97998 /24:545272
/25:826 /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 5983 6952 UNI2-AS, ES
9121 5553 6401 TTNET, TR
8151 4834 10889 Uninet S.A. de C.V., MX
11492 3485 4579 CABLEONE, US
8551 3443 3979 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
6327 3332 3524 SHAW, CA
39891 3193 4010 ALJAWWALSTC-AS, SA
7155 3055 3966 VIASAT-SP-BACKBONE, US
22773 2752 3729 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2247 2589 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1870 2:1029 3:166 4:5 5:4046 6:117
7:5 8:1585 9:1 11:173 12:1617 13:380
14:2377 15:287 16:72 17:366 18:386 20:239
21:4 22:188 23:6020 24:2465 25:6 27:2701
29:19 31:2483 32:98 34:8 35:94 36:1806
37:4544 38:3870 39:770 40:144 41:3951 42:1195
43:2303 44:303 45:16369 46:4144 47:379 49:1716
50:1933 51:244 52:1506 54:398 55:798 56:8
57:78 58:1797 59:1157 60:1005 61:2428 62:2564
63:1953 64:5649 65:2339 66:4851 67:3003 68:1381
69:4178 70:1293 71:688 72:2999 74:2645 75:1472
76:600 77:2253 78:3964 79:3155 80:2043 81:1830
82:1500 83:1220 84:1511 85:3752 86:745 87:1929
88:2842 89:3483 90:573 91:7614 92:1991 93:2573
94:3543 95:4827 96:1338 97:348 98:1174 99:740
100:69 101:1055 102:2455 103:30537 104:4555 105:477
106:828 107:2532 108:919 109:4280 110:2016 111:3318
112:2039 113:1571 114:1613 115:2073 116:1908 117:2468
118:2335 119:1871 120:1726 121:1112 122:2600 123:2137
124:1577 125:2200 128:1260 129:979 130:972 131:2024
132:842 133:401 134:1914 135:295 136:880 137:910
138:2542 139:1521 140:1049 141:1482 142:1417 143:1408
144:1200 145:352 146:1896 147:1511 148:2273 149:1846
150:866 151:1145 152:1836 153:456 154:3807 155:1387
156:1633 157:1290 158:1041 159:2241 160:2571 161:1424
162:3518 163:1455 164:1673 165:1641 166:843 167:1718
168:3863 169:918 170:4553 171:867 172:3517 173:3113
174:1032 175:1170 176:3629 177:4782 178:3551 179:2140
180:2359 181:3341 182:3240 183:1921 184:2356 185:19942
186:4611 187:3953 188:4034 189:3445 190:9052 191:1459
192:10995 193:8771 194:7192 195:5078 196:2995 197:2421
198:6009 199:6097 200:7648 201:5832 202:10595 203:10089
204:4602 205:3458 206:3836 207:3400 208:4108 209:4808
210:4420 211:2442 212:4035 213:3520 214:1104 215:57
216:6554 217:2613 218:1289 219:575 220:2048 221:953
222:837 223:2037
End of report
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