[cmNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Ven 11 Juin 18:02:43 UTC 2021
This is an automated weekly mailing describing the state of the Internet
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 http://thyme.rand.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.
Routing Table Report 04:00 +10GMT Sat 12 Jun, 2021
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 854593
Prefixes after maximum aggregation (per Origin AS): 322645
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 409480
Total ASes present in the Internet Routing Table: 71406
Prefixes per ASN: 11.97
Origin-only ASes present in the Internet Routing Table: 61421
Origin ASes announcing only one prefix: 25365
Transit ASes present in the Internet Routing Table: 9985
Transit-only ASes present in the Internet Routing Table: 319
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 54
Max AS path prepend of ASN ( 48366) 51
Prefixes from unregistered ASNs in the Routing Table: 1077
Number of instances of unregistered ASNs: 1084
Number of 32-bit ASNs allocated by the RIRs: 36302
Number of 32-bit ASNs visible in the Routing Table: 30177
Prefixes from 32-bit ASNs in the Routing Table: 140528
Number of bogon 32-bit ASNs visible in the Routing Table: 25
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 568
Number of addresses announced to Internet: 3040471936
Equivalent to 181 /8s, 57 /16s and 235 /24s
Percentage of available address space announced: 82.1
Percentage of allocated address space announced: 82.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.5
Total number of prefixes smaller than registry allocations: 284846
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 230126
Total APNIC prefixes after maximum aggregation: 65630
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 225887
Unique aggregates announced from the APNIC address blocks: 90032
APNIC Region origin ASes present in the Internet Routing Table: 11623
APNIC Prefixes per ASN: 19.43
APNIC Region origin ASes announcing only one prefix: 3330
APNIC Region transit ASes present in the Internet Routing Table: 1646
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 32
Number of APNIC region 32-bit ASNs visible in the Routing Table: 6792
Number of APNIC addresses announced to Internet: 774990592
Equivalent to 46 /8s, 49 /16s and 107 /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, 131072-147769
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: 248453
Total ARIN prefixes after maximum aggregation: 113685
ARIN Deaggregation factor: 2.19
Prefixes being announced from the ARIN address blocks: 248607
Unique aggregates announced from the ARIN address blocks: 118550
ARIN Region origin ASes present in the Internet Routing Table: 18832
ARIN Prefixes per ASN: 13.20
ARIN Region origin ASes announcing only one prefix: 6835
ARIN Region transit ASes present in the Internet Routing Table: 1952
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3919
Number of ARIN addresses announced to Internet: 1271191296
Equivalent to 75 /8s, 196 /16s and 215 /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: 238151
Total RIPE prefixes after maximum aggregation: 111035
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 234246
Unique aggregates announced from the RIPE address blocks: 142598
RIPE Region origin ASes present in the Internet Routing Table: 27964
RIPE Prefixes per ASN: 8.38
RIPE Region origin ASes announcing only one prefix: 12012
RIPE Region transit ASes present in the Internet Routing Table: 3889
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 54
Number of RIPE region 32-bit ASNs visible in the Routing Table: 10234
Number of RIPE addresses announced to Internet: 710555264
Equivalent to 42 /8s, 90 /16s and 54 /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: 110934
Total LACNIC prefixes after maximum aggregation: 26451
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 112097
Unique aggregates announced from the LACNIC address blocks: 47048
LACNIC Region origin ASes present in the Internet Routing Table: 10760
LACNIC Prefixes per ASN: 10.42
LACNIC Region origin ASes announcing only one prefix: 2678
LACNIC Region transit ASes present in the Internet Routing Table: 2031
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8407
Number of LACNIC addresses announced to Internet: 175794176
Equivalent to 10 /8s, 122 /16s and 104 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-272796 + 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: 25851
Total AfriNIC prefixes after maximum aggregation: 5097
AfriNIC Deaggregation factor: 5.07
Prefixes being announced from the AfriNIC address blocks: 33188
Unique aggregates announced from the AfriNIC address blocks: 10744
AfriNIC Region origin ASes present in the Internet Routing Table: 1484
AfriNIC Prefixes per ASN: 22.36
AfriNIC Region origin ASes announcing only one prefix: 510
AfriNIC Region transit ASes present in the Internet Routing Table: 301
Average AfriNIC Region AS path length visible: 5.2
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 825
Number of AfriNIC addresses announced to Internet: 107354112
Equivalent to 6 /8s, 102 /16s and 24 /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 7908 8999 55 CMNET-GD Guangdong Mobile Communication
7545 5794 783 674 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4757 4192 74 ERX-CERNET-BKB China Education and Rese
7713 3528 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon
7552 3516 1330 20 VIETEL-AS-AP Viettel Group, VN
45899 2811 1896 54 VNPT-AS-VN VNPT Corp, VN
4766 2430 11104 564 KIXS-AS-KR Korea Telecom, KR
9498 2351 483 246 BBIL-AP BHARTI Airtel Ltd., IN
4755 2129 441 192 TATACOMM-AS TATA Communications formerl
45090 2114 1197 71 CNNIC-TENCENT-NET-AP Shenzhen Tencent C
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 5167 9384 2297 AMAZON-02, US
11492 4768 314 656 CABLEONE, US
7155 4026 264 32 VIASAT-SP-BACKBONE, US
22773 3932 3002 245 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3469 1776 2425 AKAMAI-AS, US
6327 3361 1317 69 SHAW, CA
30036 2580 372 129 MEDIACOM-ENTERPRISE-BUSINESS, US
209 2537 5034 477 CENTURYLINK-US-LEGACY-QWEST, US
5972 2247 453 785 DNIC-ASBLK-05800-06055, US
20115 2170 2929 502 CHARTER-20115, US
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
12479 6713 1725 146 UNI2-AS, ES
20940 3652 3347 201 AKAMAI-ASN1, NL
39891 3266 187 22 ALJAWWALSTC-AS, SA
8551 2960 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2912 2283 897 ROSTELECOM-AS, RU
9009 2446 257 1313 M247, GB
34984 2205 355 592 TELLCOM-AS, TR
61317 1630 282 786 ASDETUK http://www.heficed.com, GB
13188 1609 100 34 TRIOLAN, UA
58224 1599 887 569 TCI, IR
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 8627 3411 577 Uninet S.A. de C.V., MX
10620 3422 526 613 Telmex Colombia S.A., CO
11830 2509 369 62 Instituto Costarricense de Electricidad
13999 1745 436 448 Mega Cable, S.A. de C.V., MX
6503 1450 311 476 Axtel, S.A.B. de C.V., MX
28573 1396 2282 230 CLARO S.A., BR
3816 1239 650 151 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1112 374 31 Telefonica del Peru S.A.A., PE
11664 998 207 416 Techtel LMDS Comunicaciones Interactiva
11172 963 111 69 Alestra, S. de R.L. de C.V., MX
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 1610 393 22 LINKdotNET-AS, EG
24835 1450 498 30 RAYA-AS, EG
36992 1259 1457 265 ETISALAT-MISR, EG
36903 1183 537 110 MT-MPLS, MA
29571 734 68 11 ORANGE-COTE-IVOIRE, CI
6713 612 1863 34 IAM-AS, MA
36935 526 522 40 Vodafone-, EG
15399 492 48 24 WANANCHI-, KE
37342 484 32 1 MOVITEL, MZ
36914 418 82 3 KENET-AS, KE
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 8627 3411 577 Uninet S.A. de C.V., MX
9808 7908 8999 55 CMNET-GD Guangdong Mobile Communication
12479 6713 1725 146 UNI2-AS, ES
7545 5794 783 674 TPG-INTERNET-AP TPG Telecom Limited, AU
16509 5167 9384 2297 AMAZON-02, US
11492 4768 314 656 CABLEONE, US
4538 4757 4192 74 ERX-CERNET-BKB China Education and Rese
7155 4026 264 32 VIASAT-SP-BACKBONE, US
22773 3932 3002 245 ASN-CXA-ALL-CCI-22773-RDC, US
20940 3652 3347 201 AKAMAI-ASN1, NL
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 7908 7853 CMNET-GD Guangdong Mobile Communication Co.Ltd.
12479 6713 6567 UNI2-AS, ES
7545 5794 5120 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4757 4683 ERX-CERNET-BKB China Education and Research Net
11492 4768 4112 CABLEONE, US
7155 4026 3994 VIASAT-SP-BACKBONE, US
22773 3932 3687 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3516 3496 VIETEL-AS-AP Viettel Group, VN
7713 3528 3472 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
20940 3652 3451 AKAMAI-ASN1, NL
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
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 8.33.224.0/24 174 COGENT-174, US
54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US
23061 UNALLOCATED 8.39.119.0/24 3356 LEVEL3, US
395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US
40544 UNALLOCATED 12.0.33.0/24 6461 ZAYO-6461, US
46505 UNALLOCATED 12.7.131.0/24 7018 ATT-INTERNET4, US
15132 UNALLOCATED 12.9.150.0/24 1239 SPRINTLINK, US
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 6939 HURRICANE, US
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
23.141.0.0/24 Origin: 395350 UNASSIGNED
Transit: 11426 TWC-11426-CAROLINAS, US
23.142.80.0/24 Origin: 209319 IPV6ROUTING, US
Transit: 46573 LAYER-HOST, US
23.162.32.0/24 Origin: 32444 SAFELINK-MV, US
Transit: 6939 HURRICANE, US
23.181.208.0/24 Origin: 399728 PFNDN, US
Transit: 20473 AS-CHOOPA, US
27.100.7.0/24 Origin: 56096 UNASSIGNED
Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet
Complete listing at http://thyme.rand.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 /10:41 /11:102 /12:306
/13:587 /14:1193 /15:1993 /16:13474 /17:8329 /18:13975
/19:25442 /20:42323 /21:50330 /22:106762 /23:91319 /24:496996
/25:1392 /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 5668 6713 UNI2-AS, ES
11492 3804 4768 CABLEONE, US
8151 3201 8627 Uninet S.A. de C.V., MX
6327 3167 3361 SHAW, CA
7155 3114 4026 VIASAT-SP-BACKBONE, US
22773 2962 3932 ASN-CXA-ALL-CCI-22773-RDC, US
39891 2801 3266 ALJAWWALSTC-AS, SA
8551 2425 2960 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 2248 2580 MEDIACOM-ENTERPRISE-BUSINESS, US
11830 1931 2509 Instituto Costarricense de Electricidad y Telec
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1867 2:1195 3:134 4:19 5:3556 6:74
7:5 8:1538 9:1 11:164 12:1736 13:364
14:2297 15:76 16:15 17:324 18:93 20:128
21:1 22:188 23:4785 24:2427 25:2 27:2555
29:19 31:2292 32:109 34:1 35:41 36:1588
37:3769 38:2163 39:624 40:160 41:3830 42:958
43:2079 44:259 45:15001 46:3713 47:382 49:1619
50:1793 51:100 52:1244 54:218 55:766 56:9
57:52 58:1726 59:1204 60:931 61:2307 62:2277
63:1967 64:5360 65:2379 66:5030 67:2888 68:1164
69:4072 70:1387 71:681 72:3161 74:2592 75:1490
76:698 77:2022 78:1709 79:2279 80:1852 81:1511
82:1370 83:1136 84:1281 85:2695 86:715 87:1800
88:969 89:2999 90:488 91:7339 92:1782 93:2550
94:3129 95:3505 96:1295 97:343 98:972 99:969
100:93 101:1045 102:1477 103:26057 104:3764 105:435
106:786 107:2233 108:716 109:3869 110:2001 111:3183
112:1970 113:1536 114:1490 115:1910 116:1898 117:2349
118:2366 119:1885 120:1518 121:1085 122:2527 123:2171
124:1573 125:2074 128:1314 129:1095 130:862 131:2034
132:748 133:360 134:1614 135:298 136:765 137:931
138:2369 139:1190 140:747 141:1178 142:1200 143:1284
144:1250 145:328 146:1455 147:1337 148:2191 149:1452
150:818 151:1076 152:1519 153:414 154:2655 155:1329
156:1538 157:1185 158:916 159:2005 160:2323 161:1168
162:3317 163:992 164:1510 165:1382 166:606 167:1776
168:3628 169:693 170:4299 171:775 172:2436 173:2972
174:993 175:1085 176:3165 177:4370 178:2923 179:1883
180:2271 181:2642 182:3200 183:2077 184:2415 185:18348
186:4186 187:3133 188:3320 189:2940 190:8832 191:1408
192:10698 193:8193 194:6655 195:4783 196:2871 197:2329
198:6055 199:6022 200:7412 201:5297 202:10561 203:10091
204:4650 205:3354 206:3567 207:3390 208:4004 209:4689
210:4254 211:2262 212:3694 213:3399 214:1217 215:61
216:6253 217:2566 218:1211 219:707 220:2068 221:980
222:881 223:1929
End of report
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