[menog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Aug 5 18:02:47 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 06 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: 905630
Prefixes after maximum aggregation (per Origin AS): 341172
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 437967
Total ASes present in the Internet Routing Table: 73504
Prefixes per ASN: 12.32
Origin-only ASes present in the Internet Routing Table: 63067
Origin ASes announcing only one prefix: 26002
Transit ASes present in the Internet Routing Table: 10437
Transit-only ASes present in the Internet Routing Table: 397
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: 964
Number of instances of unregistered ASNs: 964
Number of 32-bit ASNs allocated by the RIRs: 39934
Number of 32-bit ASNs visible in the Routing Table: 33128
Prefixes from 32-bit ASNs in the Routing Table: 157782
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: 493
Number of addresses announced to Internet: 3071202688
Equivalent to 183 /8s, 14 /16s and 213 /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: 307620
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 236329
Total APNIC prefixes after maximum aggregation: 67226
APNIC Deaggregation factor: 3.52
Prefixes being announced from the APNIC address blocks: 231364
Unique aggregates announced from the APNIC address blocks: 96319
APNIC Region origin ASes present in the Internet Routing Table: 12855
APNIC Prefixes per ASN: 18.00
APNIC Region origin ASes announcing only one prefix: 3724
APNIC Region transit ASes present in the Internet Routing Table: 1758
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 8083
Number of APNIC addresses announced to Internet: 773135872
Equivalent to 46 /8s, 21 /16s and 30 /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: 264488
Total ARIN prefixes after maximum aggregation: 120774
ARIN Deaggregation factor: 2.19
Prefixes being announced from the ARIN address blocks: 264796
Unique aggregates announced from the ARIN address blocks: 127576
ARIN Region origin ASes present in the Internet Routing Table: 19052
ARIN Prefixes per ASN: 13.90
ARIN Region origin ASes announcing only one prefix: 6923
ARIN Region transit ASes present in the Internet Routing Table: 1919
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: 4580
Number of ARIN addresses announced to Internet: 1295964160
Equivalent to 77 /8s, 62 /16s and 216 /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: 259894
Total RIPE prefixes after maximum aggregation: 119098
RIPE Deaggregation factor: 2.18
Prefixes being announced from the RIPE address blocks: 257286
Unique aggregates announced from the RIPE address blocks: 152980
RIPE Region origin ASes present in the Internet Routing Table: 28185
RIPE Prefixes per ASN: 9.13
RIPE Region origin ASes announcing only one prefix: 12090
RIPE Region transit ASes present in the Internet Routing Table: 4005
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: 10778
Number of RIPE addresses announced to Internet: 717634176
Equivalent to 42 /8s, 198 /16s and 58 /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: 115929
Total LACNIC prefixes after maximum aggregation: 27750
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 115641
Unique aggregates announced from the LACNIC address blocks: 48860
LACNIC Region origin ASes present in the Internet Routing Table: 10958
LACNIC Prefixes per ASN: 10.55
LACNIC Region origin ASes announcing only one prefix: 2682
LACNIC Region transit ASes present in the Internet Routing Table: 2253
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: 8691
Number of LACNIC addresses announced to Internet: 176386816
Equivalent to 10 /8s, 131 /16s and 115 /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: 28026
Total AfriNIC prefixes after maximum aggregation: 5587
AfriNIC Deaggregation factor: 5.02
Prefixes being announced from the AfriNIC address blocks: 36050
Unique aggregates announced from the AfriNIC address blocks: 11813
AfriNIC Region origin ASes present in the Internet Routing Table: 1669
AfriNIC Prefixes per ASN: 21.60
AfriNIC Region origin ASes announcing only one prefix: 583
AfriNIC Region transit ASes present in the Internet Routing Table: 326
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 33
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 996
Number of AfriNIC addresses announced to Internet: 107798784
Equivalent to 6 /8s, 108 /16s and 225 /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 9026 8884 50 CHINAMOBILE-CN China Mobile Communicati
7545 5935 789 696 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4711 4192 75 ERX-CERNET-BKB China Education and Rese
7552 3585 1330 19 VIETEL-AS-AP Viettel Group, VN
7713 3501 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3377 1877 67 VNPT-AS-VN VNPT Corp, VN
4766 2494 11124 600 KIXS-AS-KR Korea Telecom, KR
9498 2427 499 238 BBIL-AP BHARTI Airtel Ltd., IN
45090 2174 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute
24560 2156 851 401 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 6821 10401 2710 AMAZON-02, US
11492 4642 307 476 CABLEONE, US
7155 3906 265 32 VIASAT-SP-BACKBONE, US
22773 3840 3069 363 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3462 1784 2501 AKAMAI-AS, US
6327 3447 1319 66 SHAW, CA
749 3021 50731 2279 DNIC-AS-00749, US
30036 2607 373 253 MEDIACOM-ENTERPRISE-BUSINESS, US
396982 2524 3384 362 GOOGLE-CLOUD-PLATFORM, US
209 2371 4936 408 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 6875 1730 144 UNI2-AS, ES
9121 6611 1692 17 TTNET, TR
20940 4050 3348 219 AKAMAI-ASN1, NL
39891 4006 234 46 ALJAWWALSTC-AS, SA
8551 3993 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2941 2290 911 ROSTELECOM-AS, RU
6849 2754 355 21 UKRTELNET, UA
9009 2600 256 1343 M247, GB
34984 2245 357 634 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 10808 3398 561 Uninet S.A. de C.V., MX
10620 3483 515 780 Telmex Colombia S.A., CO
11830 2407 369 64 Instituto Costarricense de Electricidad
13999 1942 318 517 Mega Cable, S.A. de C.V., MX
28573 1365 2330 267 Claro NXT Telecomunicacoes Ltda, BR
6503 1290 338 520 Axtel, S.A.B. de C.V., MX
3816 1270 695 154 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1100 370 21 Telefonica del Peru S.A.A., PE
11664 1048 180 455 Techtel LMDS Comunicaciones Interactiva
26615 981 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
24863 1529 393 21 LINKdotNET-AS, EG
24835 1524 521 31 RAYA-AS, EG
36992 1324 1519 268 ETISALAT-MISR, EG
36903 1199 545 114 MT-MPLS, MA
29571 972 66 53 ORANGE-COTE-IVOIRE, CI
36935 801 520 42 Vodafone-, EG
6713 612 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 10808 3398 561 Uninet S.A. de C.V., MX
9808 9026 8884 50 CHINAMOBILE-CN China Mobile Communicati
12479 6875 1730 144 UNI2-AS, ES
16509 6821 10401 2710 AMAZON-02, US
9121 6611 1692 17 TTNET, TR
7545 5935 789 696 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4711 4192 75 ERX-CERNET-BKB China Education and Rese
11492 4642 307 476 CABLEONE, US
20940 4050 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 9026 8976 CHINAMOBILE-CN China Mobile Communications Grou
12479 6875 6731 UNI2-AS, ES
9121 6611 6594 TTNET, TR
7545 5935 5239 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4711 4636 ERX-CERNET-BKB China Education and Research Net
11492 4642 4166 CABLEONE, US
16509 6821 4111 AMAZON-02, US
39891 4006 3960 ALJAWWALSTC-AS, SA
8551 3993 3954 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 /15:2064 /16:13543 /17:8322 /18:13926
/19:25108 /20:44425 /21:52295 /22:108980 /23:96909 /24:536977
/25:804 /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 5862 6875 UNI2-AS, ES
9121 5769 6611 TTNET, TR
8151 4532 10808 Uninet S.A. de C.V., MX
11492 3546 4642 CABLEONE, US
8551 3456 3993 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
6327 3258 3447 SHAW, CA
39891 3189 4006 ALJAWWALSTC-AS, SA
7155 2995 3906 VIASAT-SP-BACKBONE, US
22773 2851 3840 ASN-CXA-ALL-CCI-22773-RDC, US
6849 2612 2754 UKRTELNET, UA
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1973 2:1022 3:157 4:5 5:3835 6:111
7:6 8:1584 9:1 11:173 12:1643 13:340
14:2360 15:241 16:44 17:383 18:187 20:242
21:4 22:188 23:5855 24:2428 25:6 27:2611
29:19 31:2413 32:95 34:7 35:87 36:1817
37:4441 38:3359 39:720 40:152 41:3884 42:1135
43:2204 44:288 45:16054 46:4146 47:332 49:1698
50:1951 51:238 52:1457 54:384 55:855 56:8
57:58 58:1803 59:1163 60:966 61:2295 62:2543
63:1932 64:5587 65:2374 66:4872 67:2986 68:1194
69:4157 70:1315 71:680 72:3029 74:2641 75:1398
76:581 77:2247 78:3921 79:3129 80:2009 81:1786
82:1496 83:1209 84:1368 85:3692 86:741 87:1906
88:2805 89:3393 90:546 91:7631 92:2035 93:2554
94:3506 95:4798 96:1335 97:350 98:1028 99:754
100:77 101:1062 102:2199 103:29539 104:4533 105:467
106:880 107:2546 108:867 109:4323 110:2018 111:3321
112:2036 113:1536 114:1484 115:2003 116:1909 117:2418
118:2301 119:1846 120:1787 121:1076 122:2550 123:2086
124:1587 125:2110 128:1239 129:1054 130:977 131:2041
132:777 133:378 134:1942 135:298 136:890 137:868
138:2497 139:1496 140:938 141:1441 142:1329 143:1403
144:1207 145:344 146:1843 147:1514 148:2211 149:1765
150:861 151:1069 152:1870 153:463 154:3689 155:1447
156:1702 157:1276 158:1040 159:2216 160:2501 161:1314
162:3495 163:1343 164:1642 165:1635 166:771 167:1752
168:3820 169:882 170:4530 171:838 172:3300 173:3132
174:1049 175:1143 176:3632 177:4713 178:3541 179:2147
180:2342 181:3235 182:3232 183:1937 184:2385 185:19605
186:4483 187:3827 188:3998 189:3396 190:8983 191:1441
192:10981 193:8677 194:7072 195:5056 196:2944 197:2422
198:6005 199:6044 200:7594 201:5844 202:10524 203:10050
204:4511 205:3445 206:3764 207:3434 208:4046 209:4705
210:4381 211:2408 212:4055 213:3480 214:1132 215:65
216:6397 217:2637 218:1285 219:575 220:2005 221:961
222:827 223:2005
End of report
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