[cmNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Ven 14 Aou 18:03:33 UTC 2020
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 15 Aug, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 817032
Prefixes after maximum aggregation (per Origin AS): 311713
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 394710
Total ASes present in the Internet Routing Table: 69029
Prefixes per ASN: 11.84
Origin-only ASes present in the Internet Routing Table: 59323
Origin ASes announcing only one prefix: 24702
Transit ASes present in the Internet Routing Table: 9706
Transit-only ASes present in the Internet Routing Table: 299
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 42
Max AS path prepend of ASN ( 22394) 38
Prefixes from unregistered ASNs in the Routing Table: 852
Number of instances of unregistered ASNs: 853
Number of 32-bit ASNs allocated by the RIRs: 33020
Number of 32-bit ASNs visible in the Routing Table: 27233
Prefixes from 32-bit ASNs in the Routing Table: 126083
Number of bogon 32-bit ASNs visible in the Routing Table: 11
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 456
Number of addresses announced to Internet: 2846194432
Equivalent to 169 /8s, 165 /16s and 123 /24s
Percentage of available address space announced: 76.9
Percentage of allocated address space announced: 76.9
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: 273183
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 215809
Total APNIC prefixes after maximum aggregation: 63274
APNIC Deaggregation factor: 3.41
Prefixes being announced from the APNIC address blocks: 209604
Unique aggregates announced from the APNIC address blocks: 86233
APNIC Region origin ASes present in the Internet Routing Table: 10827
APNIC Prefixes per ASN: 19.36
APNIC Region origin ASes announcing only one prefix: 3055
APNIC Region transit ASes present in the Internet Routing Table: 1597
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 31
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5902
Number of APNIC addresses announced to Internet: 769488768
Equivalent to 45 /8s, 221 /16s and 119 /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, 131072-141625
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: 239950
Total ARIN prefixes after maximum aggregation: 110392
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 237384
Unique aggregates announced from the ARIN address blocks: 115989
ARIN Region origin ASes present in the Internet Routing Table: 18569
ARIN Prefixes per ASN: 12.78
ARIN Region origin ASes announcing only one prefix: 6791
ARIN Region transit ASes present in the Internet Routing Table: 1901
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 42
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3371
Number of ARIN addresses announced to Internet: 1082705920
Equivalent to 64 /8s, 136 /16s and 200 /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, 393216-399260
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: 227162
Total RIPE prefixes after maximum aggregation: 107255
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 223608
Unique aggregates announced from the RIPE address blocks: 135418
RIPE Region origin ASes present in the Internet Routing Table: 27281
RIPE Prefixes per ASN: 8.20
RIPE Region origin ASes announcing only one prefix: 11793
RIPE Region transit ASes present in the Internet Routing Table: 3848
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 9402
Number of RIPE addresses announced to Internet: 709291648
Equivalent to 42 /8s, 70 /16s and 238 /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: 110061
Total LACNIC prefixes after maximum aggregation: 25350
LACNIC Deaggregation factor: 4.34
Prefixes being announced from the LACNIC address blocks: 111171
Unique aggregates announced from the LACNIC address blocks: 47343
LACNIC Region origin ASes present in the Internet Routing Table: 10256
LACNIC Prefixes per ASN: 10.84
LACNIC Region origin ASes announcing only one prefix: 2562
LACNIC Region transit ASes present in the Internet Routing Table: 1923
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 40
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 7845
Number of LACNIC addresses announced to Internet: 174732288
Equivalent to 10 /8s, 106 /16s and 52 /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: 23197
Total AfriNIC prefixes after maximum aggregation: 4768
AfriNIC Deaggregation factor: 4.87
Prefixes being announced from the AfriNIC address blocks: 34809
Unique aggregates announced from the AfriNIC address blocks: 9361
AfriNIC Region origin ASes present in the Internet Routing Table: 1421
AfriNIC Prefixes per ASN: 24.50
AfriNIC Region origin ASes announcing only one prefix: 501
AfriNIC Region transit ASes present in the Internet Routing Table: 284
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 713
Number of AfriNIC addresses announced to Internet: 109521664
Equivalent to 6 /8s, 135 /16s and 43 /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
7545 5629 758 670 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4742 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3467 1330 22 VIETEL-AS-AP Viettel Group, VN
45899 3282 1896 51 VNPT-AS-VN VNPT Corp, VN
7713 2696 823 589 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2530 9043 60 CMNET-GD Guangdong Mobile Communication
4766 2340 11103 555 KIXS-AS-KR Korea Telecom, KR
9498 2290 450 226 BBIL-AP BHARTI Airtel Ltd., IN
4755 2144 441 193 TATACOMM-AS TATA Communications formerl
9394 2038 4914 18 CTTNET China TieTong Telecommunications
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
11492 4489 301 645 CABLEONE, US
16509 4131 8177 1878 AMAZON-02, US
7155 4034 264 32 VIASAT-SP-BACKBONE, US
22773 3619 2983 172 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3365 1323 84 SHAW, CA
16625 3131 1660 2247 AKAMAI-AS, US
26484 2449 153 333 IKGUL-26484, US
209 2446 5073 520 CENTURYLINK-US-LEGACY-QWEST, US
30036 2443 366 111 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 2308 2981 1624 FRONTIER-FRTR, 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 5956 1652 135 UNI2-AS, ES
8551 3217 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 3139 2217 1027 AKAMAI-ASN1, EU
39891 3073 179 21 ALJAWWALSTC-AS, SA
12389 2661 2270 833 ROSTELECOM-AS, RU
34984 2167 354 567 TELLCOM-AS, TR
9009 2119 220 1152 M247, GB
13188 1609 100 35 TRIOLAN, UA
61317 1352 156 602 ASDETUK http://www.heficed.com, GB
12357 1174 314 666 COMUNITEL SPAIN, ES
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 7343 3308 598 Uninet S.A. de C.V., MX
10620 3372 530 509 Telmex Colombia S.A., CO
11830 2581 369 63 Instituto Costarricense de Electricidad
6503 1698 324 396 Axtel, S.A.B. de C.V., MX
7303 1508 978 257 Telecom Argentina S.A., AR
13999 1419 502 377 Mega Cable, S.A. de C.V., MX
28573 1403 2243 212 CLARO S.A., BR
3816 1127 570 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1117 379 39 Telefonica del Peru S.A.A., PE
11172 958 111 70 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 1494 393 22 LINKdotNET-AS, EG
24835 1122 474 23 RAYA-AS, EG
36992 1120 1539 76 ETISALAT-MISR, EG
36903 917 480 93 MT-MPLS, MA
29571 628 68 11 ORANGE-COTE-IVOIRE, CI
6713 553 1863 34 IAM-AS, MA
15399 490 45 12 WANANCHI-, KE
37342 482 32 1 MOVITEL, MZ
36935 462 522 40 Vodafone-, EG
23889 344 231 15 MauritiusTelecom, MU
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 7343 3308 598 Uninet S.A. de C.V., MX
12479 5956 1652 135 UNI2-AS, ES
7545 5629 758 670 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4742 4192 73 ERX-CERNET-BKB China Education and Rese
11492 4489 301 645 CABLEONE, US
16509 4131 8177 1878 AMAZON-02, US
7155 4034 264 32 VIASAT-SP-BACKBONE, US
22773 3619 2983 172 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3467 1330 22 VIETEL-AS-AP Viettel Group, VN
10620 3372 530 509 Telmex Colombia S.A., CO
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
12479 5956 5821 UNI2-AS, ES
7545 5629 4959 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4742 4669 ERX-CERNET-BKB China Education and Research Net
7155 4034 4002 VIASAT-SP-BACKBONE, US
11492 4489 3844 CABLEONE, US
22773 3619 3447 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3467 3445 VIETEL-AS-AP Viettel Group, VN
6327 3365 3281 SHAW, CA
45899 3282 3231 VNPT-AS-VN VNPT Corp, VN
8551 3217 3172 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
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
22357 UNALLOCATED 8.7.108.0/24 3356 LEVEL3, US
62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US
393266 UNALLOCATED 8.23.52.0/24 174 COGENT-174, US
62485 UNALLOCATED 8.23.229.0/24 3356 LEVEL3, US
36270 UNALLOCATED 8.24.66.0/24 3356 LEVEL3, US
32985 UNALLOCATED 8.28.31.0/24 3356 LEVEL3, US
394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174, US
23061 UNALLOCATED 8.39.119.0/24 3356 LEVEL3, US
395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US
46766 UNALLOCATED 8.44.208.0/24 3356 LEVEL3, 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
27.100.7.0/24 Origin: 56096 UNASSIGNED
Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet
27.126.156.0/22 Origin: 55827 UNASSIGNED
Transit: 9930 TTNET-MY TIME dotCom Berhad No. 14, Jala
27.126.156.0/23 Origin: 55827 UNASSIGNED
Transit: 9930 TTNET-MY TIME dotCom Berhad No. 14, Jala
27.126.158.0/23 Origin: 55827 UNASSIGNED
Transit: 9930 TTNET-MY TIME dotCom Berhad No. 14, Jala
41.67.208.0/21 Origin: 15964 CAMNET-AS, CM
Transit: 12956 TELEFONICA TELXIUS, ES
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 /8:9 /9:11 /10:38 /11:100 /12:286
/13:576 /14:1175 /15:1931 /16:13471 /17:8280 /18:14030
/19:25946 /20:40914 /21:49156 /22:101791 /23:84697 /24:473343
/25:1278 /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 4978 5956 UNI2-AS, ES
11492 3556 4489 CABLEONE, US
6327 3160 3365 SHAW, CA
7155 3122 4034 VIASAT-SP-BACKBONE, US
22773 2803 3619 ASN-CXA-ALL-CCI-22773-RDC, US
8551 2676 3217 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
39891 2609 3073 ALJAWWALSTC-AS, SA
8151 2531 7343 Uninet S.A. de C.V., MX
30036 2187 2443 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 1994 2308 FRONTIER-FRTR, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1600 2:1137 3:32 4:19 5:3407 6:53
8:1463 9:1 11:1 12:1780 13:519 14:2289
15:72 16:8 17:293 18:85 20:110 23:3858
24:2343 25:3 27:2554 31:2154 32:127 34:1
35:42 36:984 37:3327 38:1885 39:450 40:127
41:3596 42:634 43:2139 44:214 45:14718 46:3647
47:320 49:1479 50:1637 51:90 52:1102 54:226
55:665 56:6 57:51 58:1769 59:1192 60:785
61:2301 62:2137 63:2002 64:5221 65:2346 66:5054
67:2879 68:1176 69:4042 70:1401 71:678 72:2893
74:2581 75:1454 76:673 77:1950 78:1645 79:2418
80:2036 81:1612 82:1314 83:1265 84:1234 85:2631
86:567 87:1753 88:929 89:2791 90:357 91:7120
92:1560 93:2499 94:2755 95:3250 96:1249 97:338
98:921 99:978 100:87 101:1009 102:1038 103:24152
104:3481 105:404 106:887 107:2080 108:711 109:3712
110:1953 111:2054 112:1658 113:1381 114:1517 115:1830
116:1788 117:2086 118:2147 119:1709 120:823 121:1056
122:2452 123:2030 124:1634 125:2136 128:1374 129:1215
130:701 131:1887 132:748 133:306 134:1390 135:299
136:635 137:855 138:2276 139:1028 140:708 141:1053
142:950 143:1237 144:1104 145:364 146:1381 147:1015
148:2128 149:1219 150:773 151:1083 152:1546 153:423
154:4552 155:1131 156:3003 157:1119 158:865 159:1967
160:1910 161:1052 162:3136 163:887 164:1509 165:1308
166:568 167:1638 168:3552 169:597 170:4280 171:789
172:1970 173:2611 174:981 175:1054 176:2678 177:4810
178:2682 179:1653 180:2272 181:2510 182:3098 183:1162
184:2428 185:16700 186:3852 187:2990 188:3284 189:2556
190:8855 191:1428 192:10375 193:7605 194:6261 195:4441
196:3111 197:1984 198:6121 199:5960 200:7275 201:5217
202:10577 203:10237 204:4624 205:3067 206:3181 207:3272
208:4048 209:4520 210:4100 211:2037 212:3456 213:3127
214:1166 215:62 216:6074 217:2425 218:862 219:612
220:2054 221:908 222:997 223:1633
End of report
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