[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Mar 29 18:03:43 UTC 2019
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 30 Mar, 2019
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 742948
Prefixes after maximum aggregation (per Origin AS): 285249
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 358190
Total ASes present in the Internet Routing Table: 63769
Prefixes per ASN: 11.65
Origin-only ASes present in the Internet Routing Table: 54888
Origin ASes announcing only one prefix: 23710
Transit ASes present in the Internet Routing Table: 8881
Transit-only ASes present in the Internet Routing Table: 269
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 34
Max AS path prepend of ASN ( 25081) 32
Prefixes from unregistered ASNs in the Routing Table: 29
Number of instances of unregistered ASNs: 32
Number of 32-bit ASNs allocated by the RIRs: 26387
Number of 32-bit ASNs visible in the Routing Table: 21522
Prefixes from 32-bit ASNs in the Routing Table: 94294
Number of bogon 32-bit ASNs visible in the Routing Table: 28
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 267
Number of addresses announced to Internet: 2845039488
Equivalent to 169 /8s, 147 /16s and 219 /24s
Percentage of available address space announced: 76.8
Percentage of allocated address space announced: 76.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.2
Total number of prefixes smaller than registry allocations: 248634
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 200727
Total APNIC prefixes after maximum aggregation: 57903
APNIC Deaggregation factor: 3.47
Prefixes being announced from the APNIC address blocks: 197663
Unique aggregates announced from the APNIC address blocks: 82276
APNIC Region origin ASes present in the Internet Routing Table: 9640
APNIC Prefixes per ASN: 20.50
APNIC Region origin ASes announcing only one prefix: 2717
APNIC Region transit ASes present in the Internet Routing Table: 1422
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 4617
Number of APNIC addresses announced to Internet: 769678720
Equivalent to 45 /8s, 224 /16s and 93 /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, 131072-139577
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: 219503
Total ARIN prefixes after maximum aggregation: 103821
ARIN Deaggregation factor: 2.11
Prefixes being announced from the ARIN address blocks: 218452
Unique aggregates announced from the ARIN address blocks: 104995
ARIN Region origin ASes present in the Internet Routing Table: 18421
ARIN Prefixes per ASN: 11.86
ARIN Region origin ASes announcing only one prefix: 6869
ARIN Region transit ASes present in the Internet Routing Table: 1884
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2638
Number of ARIN addresses announced to Internet: 1079403648
Equivalent to 64 /8s, 86 /16s and 100 /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, 45/8, 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: 205008
Total RIPE prefixes after maximum aggregation: 97638
RIPE Deaggregation factor: 2.10
Prefixes being announced from the RIPE address blocks: 201350
Unique aggregates announced from the RIPE address blocks: 119435
RIPE Region origin ASes present in the Internet Routing Table: 25936
RIPE Prefixes per ASN: 7.76
RIPE Region origin ASes announcing only one prefix: 11511
RIPE Region transit ASes present in the Internet Routing Table: 3677
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 7962
Number of RIPE addresses announced to Internet: 718072960
Equivalent to 42 /8s, 204 /16s and 236 /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
196608-210331
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: 96714
Total LACNIC prefixes after maximum aggregation: 21583
LACNIC Deaggregation factor: 4.48
Prefixes being announced from the LACNIC address blocks: 98073
Unique aggregates announced from the LACNIC address blocks: 42028
LACNIC Region origin ASes present in the Internet Routing Table: 8223
LACNIC Prefixes per ASN: 11.93
LACNIC Region origin ASes announcing only one prefix: 2179
LACNIC Region transit ASes present in the Internet Routing Table: 1533
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 5768
Number of LACNIC addresses announced to Internet: 173549824
Equivalent to 10 /8s, 88 /16s and 41 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-270748 + 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: 20966
Total AfriNIC prefixes after maximum aggregation: 4282
AfriNIC Deaggregation factor: 4.90
Prefixes being announced from the AfriNIC address blocks: 27143
Unique aggregates announced from the AfriNIC address blocks: 9218
AfriNIC Region origin ASes present in the Internet Routing Table: 1262
AfriNIC Prefixes per ASN: 21.51
AfriNIC Region origin ASes announcing only one prefix: 434
AfriNIC Region transit ASes present in the Internet Routing Table: 246
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 537
Number of AfriNIC addresses announced to Internet: 104060672
Equivalent to 6 /8s, 51 /16s and 215 /24s
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 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 4720 545 547 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4660 4192 74 ERX-CERNET-BKB China Education and Rese
7552 3125 1297 53 VIETEL-AS-AP Viettel Group, VN
45899 3034 1733 110 VNPT-AS-VN VNPT Corp, VN
9829 2708 1490 563 BSNL-NIB National Internet Backbone, IN
4766 2612 11120 761 KIXS-AS-KR Korea Telecom, KR
9808 2435 8699 27 CMNET-GD Guangdong Mobile Communication
9394 2183 4906 31 CTTNET China TieTong Telecommunications
4755 2148 429 186 TATACOMM-AS TATA Communications formerl
9498 2030 426 167 BBIL-AP BHARTI Airtel Ltd., IN
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 3605 234 580 CABLEONE - CABLE ONE, INC., US
6327 3600 1325 94 SHAW - Shaw Communications Inc., CA
22773 3382 2976 162 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 2612 5902 1080 AMAZON-02 - Amazon.com, Inc., US
16625 2345 1293 1788 AKAMAI-AS - Akamai Technologies, Inc.,
20115 2151 2747 535 CHARTER-20115 - Charter Communications,
30036 2143 353 142 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
18566 2111 405 108 MEGAPATH5-US - MegaPath Corporation, US
5650 2086 3074 1462 FRONTIER-FRTR - Frontier Communications
209 2065 5103 576 CENTURYLINK-US-LEGACY-QWEST - CenturyLi
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 5432 1628 139 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 3265 378 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2643 537 1914 AKAMAI-ASN1, US
12389 2225 2221 636 ROSTELECOM-AS, RU
34984 2073 342 536 TELLCOM-AS, TR
9121 1683 1693 19 TTNET, TR
13188 1605 100 47 TRIOLAN, UA
9009 1410 146 767 M247, GB
8402 1249 545 15 CORBINA-AS OJSC "Vimpelcom", RU
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 5654 3337 588 Uninet S.A. de C.V., MX
10620 3484 537 369 Telmex Colombia S.A., CO
11830 2705 384 34 Instituto Costarricense de Electricidad
7303 1449 987 252 Telecom Argentina S.A., AR
6503 1369 433 53 Axtel, S.A.B. de C.V., MX
28573 1328 2248 179 CLARO S.A., BR
6147 1254 377 29 Telefonica del Peru S.A.A., PE
3816 1023 506 114 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
13999 956 522 248 Mega Cable, S.A. de C.V., MX
11172 953 144 66 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 1176 393 21 LINKdotNET-AS, EG
37611 892 107 9 Afrihost, ZA
36903 827 416 126 MT-MPLS, MA
36992 825 1531 71 ETISALAT-MISR, EG
24835 824 620 22 RAYA-AS, EG
8452 683 1731 19 TE-AS TE-AS, EG
29571 484 70 12 ORANGE-COTE-IVOIRE, CI
37492 470 470 57 ORANGE-, TN
15706 421 32 6 Sudatel, SD
37342 420 32 1 MOVITEL, MZ
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 5654 3337 588 Uninet S.A. de C.V., MX
12479 5432 1628 139 UNI2-AS, ES
7545 4720 545 547 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4660 4192 74 ERX-CERNET-BKB China Education and Rese
39891 3778 203 20 ALJAWWALSTC-AS, SA
11492 3605 234 580 CABLEONE - CABLE ONE, INC., US
6327 3600 1325 94 SHAW - Shaw Communications Inc., CA
10620 3484 537 369 Telmex Colombia S.A., CO
22773 3382 2976 162 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
8551 3265 378 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
12479 5432 5293 UNI2-AS, ES
4538 4660 4586 ERX-CERNET-BKB China Education and Research Net
7545 4720 4173 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3600 3506 SHAW - Shaw Communications Inc., CA
22773 3382 3220 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 3265 3220 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
10620 3484 3115 Telmex Colombia S.A., CO
7552 3125 3072 VIETEL-AS-AP Viettel Group, VN
11492 3605 3025 CABLEONE - CABLE ONE, INC., US
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
230105 UNALLOCATED 38.110.79.0/24 23015 CMC180-TOR-AS - Cambridge Merc
266842 UNALLOCATED 45.238.156.0/22 265680 HNTELCO S.A, HN
65550 DOCUMENT 81.8.34.0/24 15924 BORUSANTELEKOM-AS, TR
65550 DOCUMENT 81.8.35.0/24 15924 BORUSANTELEKOM-AS, TR
1358592 UNALLOCATED 103.134.14.0/23 63956 COLO-AS-AP Colocation Australi
1358592 UNALLOCATED 103.134.14.0/24 63956 COLO-AS-AP Colocation Australi
1358592 UNALLOCATED 103.134.15.0/24 63956 COLO-AS-AP Colocation Australi
65550 DOCUMENT 104.232.236.0/24 138005 LENOVO-AS1-AP LENOVO (HONG KON
65549 DOCUMENT 117.239.163.0/24 65544 UNKNOWN
64339 UNALLOCATED 143.0.108.0/22 18747 IFX18747 - IFX Corporation, US
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.180.104.0/24 209737 MERICHOSTING, TR
5.180.105.0/24 209737 MERICHOSTING, TR
5.180.106.0/24 209737 MERICHOSTING, TR
5.180.107.0/24 209737 MERICHOSTING, TR
27.100.7.0/24 56096 UNKNOWN
27.126.156.0/22 55827 UNKNOWN
27.126.156.0/23 55827 UNKNOWN
27.126.158.0/23 55827 UNKNOWN
41.76.136.0/22 37500 -Reserved AS-, ZZ
41.76.140.0/22 37500 -Reserved AS-, ZZ
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 /8:12 /9:10 /10:36 /11:100 /12:291
/13:567 /14:1136 /15:1909 /16:13349 /17:7956 /18:13904
/19:25672 /20:39960 /21:46165 /22:92979 /23:75705 /24:422219
/25:978 /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 4345 5432 UNI2-AS, ES
6327 3374 3600 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
11492 2819 3605 CABLEONE - CABLE ONE, INC., US
8551 2718 3265 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2620 3382 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
11830 2050 2705 Instituto Costarricense de Electricidad y Telec
18566 2006 2111 MEGAPATH5-US - MegaPath Corporation, US
30036 1890 2143 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
5650 1754 2086 FRONTIER-FRTR - Frontier Communications of Amer
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1610 2:927 4:22 5:2954 6:45 7:1
8:1284 9:1 11:3 12:1845 13:322 14:1969
15:36 16:4 17:241 18:58 20:49 23:2652
24:2528 25:2 27:2503 31:2095 32:97 35:36
36:851 37:3027 38:1707 39:294 40:120 41:3250
42:757 43:2018 44:148 45:7062 46:3245 47:254
49:1361 50:1101 51:322 52:1031 54:289 55:2
56:9 57:42 58:1788 59:1072 60:505 61:2126
62:2114 63:1814 64:4949 65:2211 66:4840 67:2701
68:1170 69:3526 70:1327 71:603 72:2447 74:2753
75:514 76:550 77:1718 78:1766 79:2323 80:1813
81:1510 82:1134 83:902 84:1114 85:2295 86:554
87:1569 88:1050 89:2572 90:219 91:6581 92:1377
93:2447 94:2553 95:3206 96:923 97:345 98:949
99:210 100:87 101:1153 102:489 103:20775 104:3520
105:248 106:846 107:1781 108:691 109:3742 110:1642
111:1901 112:1485 113:1392 114:1140 115:1731 116:1721
117:1900 118:2180 119:1645 120:1025 121:1037 122:2351
123:1660 124:1472 125:1981 128:1264 129:815 130:532
131:1676 132:733 133:219 134:1052 135:242 136:563
137:715 138:2042 139:844 140:577 141:855 142:797
143:1057 144:841 145:509 146:1265 147:834 148:1716
149:818 150:784 151:1010 152:1042 153:322 154:2819
155:902 156:1679 157:941 158:640 159:1919 160:1514
161:921 162:2699 163:800 164:1161 165:1562 166:439
167:1393 168:3291 169:868 170:4152 171:568 172:1127
173:2201 174:1035 175:917 176:2354 177:4196 178:2542
179:1465 180:2176 181:2398 182:2662 183:1074 184:1199
185:14899 186:3656 187:2475 188:2877 189:1981 190:8303
191:1528 192:10027 193:6662 194:5401 195:4077 196:3024
197:1747 198:5867 199:5987 200:7239 201:5106 202:10386
203:10112 204:4547 205:3008 206:3225 207:3258 208:3967
209:4239 210:3927 211:2008 212:3131 213:2928 214:1091
215:55 216:5939 217:2234 218:880 219:580 220:1875
221:968 222:988 223:1370
End of report
More information about the sanog
mailing list