[menog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Aug 12 18:02:53 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 13 Aug, 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: 906415
Prefixes after maximum aggregation (per Origin AS): 341627
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 438270
Total ASes present in the Internet Routing Table: 73570
Prefixes per ASN: 12.32
Origin-only ASes present in the Internet Routing Table: 63137
Origin ASes announcing only one prefix: 25993
Transit ASes present in the Internet Routing Table: 10433
Transit-only ASes present in the Internet Routing Table: 394
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: 976
Number of instances of unregistered ASNs: 976
Number of 32-bit ASNs allocated by the RIRs: 39963
Number of 32-bit ASNs visible in the Routing Table: 33196
Prefixes from 32-bit ASNs in the Routing Table: 158224
Number of bogon 32-bit ASNs visible in the Routing Table: 12
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 512
Number of addresses announced to Internet: 3071462016
Equivalent to 183 /8s, 18 /16s and 202 /24s
Percentage of available address space announced: 83.0
Percentage of allocated address space announced: 83.0
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: 307865
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 236418
Total APNIC prefixes after maximum aggregation: 67273
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 231493
Unique aggregates announced from the APNIC address blocks: 96306
APNIC Region origin ASes present in the Internet Routing Table: 12876
APNIC Prefixes per ASN: 17.98
APNIC Region origin ASes announcing only one prefix: 3730
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: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 8107
Number of APNIC addresses announced to Internet: 773195776
Equivalent to 46 /8s, 22 /16s and 8 /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: 264514
Total ARIN prefixes after maximum aggregation: 120926
ARIN Deaggregation factor: 2.19
Prefixes being announced from the ARIN address blocks: 264776
Unique aggregates announced from the ARIN address blocks: 127575
ARIN Region origin ASes present in the Internet Routing Table: 19055
ARIN Prefixes per ASN: 13.90
ARIN Region origin ASes announcing only one prefix: 6929
ARIN Region transit ASes present in the Internet Routing Table: 1917
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: 4588
Number of ARIN addresses announced to Internet: 1295966720
Equivalent to 77 /8s, 62 /16s and 226 /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: 260316
Total RIPE prefixes after maximum aggregation: 119284
RIPE Deaggregation factor: 2.18
Prefixes being announced from the RIPE address blocks: 257614
Unique aggregates announced from the RIPE address blocks: 153269
RIPE Region origin ASes present in the Internet Routing Table: 28202
RIPE Prefixes per ASN: 9.13
RIPE Region origin ASes announcing only one prefix: 12086
RIPE Region transit ASes present in the Internet Routing Table: 4009
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 35
Number of RIPE region 32-bit ASNs visible in the Routing Table: 10794
Number of RIPE addresses announced to Internet: 717796224
Equivalent to 42 /8s, 200 /16s and 179 /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: 116177
Total LACNIC prefixes after maximum aggregation: 27812
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 115871
Unique aggregates announced from the LACNIC address blocks: 48885
LACNIC Region origin ASes present in the Internet Routing Table: 10980
LACNIC Prefixes per ASN: 10.55
LACNIC Region origin ASes announcing only one prefix: 2666
LACNIC Region transit ASes present in the Internet Routing Table: 2246
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: 8709
Number of LACNIC addresses announced to Internet: 176389120
Equivalent to 10 /8s, 131 /16s and 124 /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: 28014
Total AfriNIC prefixes after maximum aggregation: 5577
AfriNIC Deaggregation factor: 5.02
Prefixes being announced from the AfriNIC address blocks: 36149
Unique aggregates announced from the AfriNIC address blocks: 11797
AfriNIC Region origin ASes present in the Internet Routing Table: 1668
AfriNIC Prefixes per ASN: 21.67
AfriNIC Region origin ASes announcing only one prefix: 582
AfriNIC Region transit ASes present in the Internet Routing Table: 323
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 34
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 998
Number of AfriNIC addresses announced to Internet: 107817216
Equivalent to 6 /8s, 109 /16s and 41 /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 9081 8884 50 CHINAMOBILE-CN China Mobile Communicati
7545 5912 789 699 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4708 4192 75 ERX-CERNET-BKB China Education and Rese
7552 3604 1330 20 VIETEL-AS-AP Viettel Group, VN
7713 3508 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3377 1877 67 VNPT-AS-VN VNPT Corp, VN
4766 2501 11125 603 KIXS-AS-KR Korea Telecom, KR
9498 2426 499 238 BBIL-AP BHARTI Airtel Ltd., IN
45090 2176 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute
24560 2158 851 404 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
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 6859 10405 2726 AMAZON-02, US
11492 4549 301 570 CABLEONE, US
7155 3906 265 32 VIASAT-SP-BACKBONE, US
22773 3842 3069 363 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3477 1791 2508 AKAMAI-AS, US
6327 3448 1319 62 SHAW, CA
749 3029 50730 2287 DNIC-AS-00749, US
30036 2604 371 288 MEDIACOM-ENTERPRISE-BUSINESS, US
396982 2523 3384 360 GOOGLE-CLOUD-PLATFORM, US
209 2370 4936 407 CENTURYLINK-US-LEGACY-QWEST, 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 6858 1730 144 UNI2-AS, ES
9121 6608 1692 17 TTNET, TR
20940 4052 3348 219 AKAMAI-ASN1, NL
39891 4006 234 46 ALJAWWALSTC-AS, SA
8551 3992 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2941 2290 911 ROSTELECOM-AS, RU
6849 2755 355 21 UKRTELNET, UA
9009 2604 254 1333 M247, GB
34984 2247 358 630 TELLCOM-AS, TR
47331 2063 324 1563 TTNET, TR
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 10834 3399 557 Uninet S.A. de C.V., MX
10620 3486 515 778 Telmex Colombia S.A., CO
11830 2384 369 64 Instituto Costarricense de Electricidad
13999 1952 320 521 Mega Cable, S.A. de C.V., MX
28573 1361 2329 265 Claro NXT Telecomunicacoes Ltda, BR
6503 1288 338 520 Axtel, S.A.B. de C.V., MX
3816 1272 697 155 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1106 369 21 Telefonica del Peru S.A.A., PE
11664 1046 176 460 Techtel LMDS Comunicaciones Interactiva
26615 976 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 1546 521 31 RAYA-AS, EG
24863 1542 393 21 LINKdotNET-AS, EG
36992 1324 1519 268 ETISALAT-MISR, EG
36903 1199 545 114 MT-MPLS, MA
29571 976 66 52 ORANGE-COTE-IVOIRE, CI
36935 801 520 42 Vodafone-, EG
6713 611 1863 34 IAM-AS, MA
15399 519 52 39 WANANCHI-, KE
37342 481 32 1 MOVITEL, MZ
23889 401 232 16 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 10834 3399 557 Uninet S.A. de C.V., MX
9808 9081 8884 50 CHINAMOBILE-CN China Mobile Communicati
16509 6859 10405 2726 AMAZON-02, US
12479 6858 1730 144 UNI2-AS, ES
9121 6608 1692 17 TTNET, TR
7545 5912 789 699 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4708 4192 75 ERX-CERNET-BKB China Education and Rese
11492 4549 301 570 CABLEONE, US
20940 4052 3348 219 AKAMAI-ASN1, NL
39891 4006 234 46 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 9081 9031 CHINAMOBILE-CN China Mobile Communications Grou
12479 6858 6714 UNI2-AS, ES
9121 6608 6591 TTNET, TR
7545 5912 5213 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4708 4633 ERX-CERNET-BKB China Education and Research Net
16509 6859 4133 AMAZON-02, US
11492 4549 3979 CABLEONE, US
39891 4006 3960 ALJAWWALSTC-AS, SA
8551 3992 3953 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7155 3906 3874 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
398083 UNALLOCATED 5.133.124.0/24 399587 UT, US
33123 UNALLOCATED 8.10.69.0/24 11168 SCC, 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
18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US
54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US
18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US
394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, 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
23.141.0.0/24 Origin: 395350 UNASSIGNED
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
27.100.7.0/24 Origin: 56096 UNASSIGNED
27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet
41.57.124.0/22 Origin: 37442 UNASSIGNED
41.57.124.0/22 Transit: 37204 TELONE, ZW
41.57.124.0/23 Origin: 37442 UNASSIGNED
41.57.124.0/23 Transit: 37204 TELONE, ZW
41.57.124.0/24 Origin: 37442 UNASSIGNED
41.57.124.0/24 Transit: 37204 TELONE, ZW
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 /10:40 /11:101 /12:303
/13:595 /14:1209 /15:2065 /16:13536 /17:8326 /18:13926
/19:25105 /20:44437 /21:52302 /22:109236 /23:97011 /24:537393
/25:801 /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 5845 6858 UNI2-AS, ES
9121 5766 6608 TTNET, TR
8151 4556 10834 Uninet S.A. de C.V., MX
11492 3464 4549 CABLEONE, US
8551 3455 3992 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
6327 3260 3448 SHAW, CA
39891 3189 4006 ALJAWWALSTC-AS, SA
7155 2995 3906 VIASAT-SP-BACKBONE, US
22773 2853 3842 ASN-CXA-ALL-CCI-22773-RDC, US
6849 2613 2755 UKRTELNET, UA
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1963 2:1024 3:157 4:5 5:3869 6:111
7:6 8:1576 9:1 11:173 12:1647 13:338
14:2366 15:242 16:44 17:383 18:189 20:242
21:4 22:188 23:5854 24:2417 25:6 27:2608
29:19 31:2418 32:95 34:7 35:87 36:1821
37:4448 38:3393 39:722 40:152 41:3878 42:1138
43:2202 44:289 45:16087 46:4157 47:332 49:1695
50:1944 51:237 52:1459 54:385 55:847 56:8
57:58 58:1792 59:1169 60:964 61:2288 62:2543
63:1930 64:5576 65:2376 66:4875 67:2984 68:1207
69:4153 70:1316 71:682 72:3043 74:2643 75:1398
76:583 77:2247 78:3948 79:3127 80:2013 81:1792
82:1500 83:1212 84:1380 85:3710 86:744 87:1911
88:2823 89:3406 90:547 91:7646 92:2042 93:2544
94:3514 95:4795 96:1296 97:350 98:1023 99:736
100:77 101:1063 102:2209 103:29605 104:4548 105:467
106:874 107:2548 108:868 109:4331 110:2005 111:3328
112:2043 113:1537 114:1483 115:2010 116:1912 117:2448
118:2303 119:1845 120:1785 121:1077 122:2518 123:2078
124:1578 125:2107 128:1245 129:1047 130:974 131:2073
132:781 133:378 134:1942 135:298 136:856 137:871
138:2506 139:1507 140:939 141:1446 142:1332 143:1408
144:1199 145:341 146:1855 147:1509 148:2216 149:1766
150:863 151:1070 152:1868 153:464 154:3682 155:1456
156:1740 157:1271 158:1036 159:2207 160:2500 161:1321
162:3493 163:1347 164:1644 165:1632 166:783 167:1755
168:3852 169:880 170:4536 171:841 172:3324 173:3125
174:1037 175:1137 176:3657 177:4781 178:3544 179:2178
180:2335 181:3245 182:3235 183:1937 184:2379 185:19618
186:4482 187:3839 188:4000 189:3384 190:8962 191:1448
192:10967 193:8683 194:7097 195:5074 196:2950 197:2408
198:6011 199:6034 200:7602 201:5806 202:10493 203:10035
204:4514 205:3421 206:3769 207:3439 208:4042 209:4697
210:4367 211:2407 212:4078 213:3473 214:1129 215:65
216:6396 217:2642 218:1286 219:574 220:2014 221:951
222:827 223:1999
End of report
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