[cmNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Ven 3 Aou 18:03:09 UTC 2018
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, IRNOG 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 04 Aug, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 709541
Prefixes after maximum aggregation (per Origin AS): 272353
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 340445
Total ASes present in the Internet Routing Table: 61400
Prefixes per ASN: 11.56
Origin-only ASes present in the Internet Routing Table: 53022
Origin ASes announcing only one prefix: 23103
Transit ASes present in the Internet Routing Table: 8378
Transit-only ASes present in the Internet Routing Table: 271
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 34
Max AS path prepend of ASN ( 30873) 32
Prefixes from unregistered ASNs in the Routing Table: 69
Number of instances of unregistered ASNs: 69
Number of 32-bit ASNs allocated by the RIRs: 23546
Number of 32-bit ASNs visible in the Routing Table: 18953
Prefixes from 32-bit ASNs in the Routing Table: 79380
Number of bogon 32-bit ASNs visible in the Routing Table: 37
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 286
Number of addresses announced to Internet: 2857337412
Equivalent to 170 /8s, 79 /16s and 130 /24s
Percentage of available address space announced: 77.2
Percentage of allocated address space announced: 77.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.0
Total number of prefixes smaller than registry allocations: 236740
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 193849
Total APNIC prefixes after maximum aggregation: 55014
APNIC Deaggregation factor: 3.52
Prefixes being announced from the APNIC address blocks: 192078
Unique aggregates announced from the APNIC address blocks: 78887
APNIC Region origin ASes present in the Internet Routing Table: 8980
APNIC Prefixes per ASN: 21.39
APNIC Region origin ASes announcing only one prefix: 2527
APNIC Region transit ASes present in the Internet Routing Table: 1331
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 29
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3937
Number of APNIC addresses announced to Internet: 767366915
Equivalent to 45 /8s, 189 /16s and 23 /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, 131072-137529
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: 210390
Total ARIN prefixes after maximum aggregation: 100012
ARIN Deaggregation factor: 2.10
Prefixes being announced from the ARIN address blocks: 210547
Unique aggregates announced from the ARIN address blocks: 99642
ARIN Region origin ASes present in the Internet Routing Table: 18194
ARIN Prefixes per ASN: 11.57
ARIN Region origin ASes announcing only one prefix: 6731
ARIN Region transit ASes present in the Internet Routing Table: 1810
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2391
Number of ARIN addresses announced to Internet: 1103191200
Equivalent to 65 /8s, 193 /16s and 92 /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, 393216-397212
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: 194343
Total RIPE prefixes after maximum aggregation: 92754
RIPE Deaggregation factor: 2.10
Prefixes being announced from the RIPE address blocks: 190547
Unique aggregates announced from the RIPE address blocks: 112905
RIPE Region origin ASes present in the Internet Routing Table: 25366
RIPE Prefixes per ASN: 7.51
RIPE Region origin ASes announcing only one prefix: 11433
RIPE Region transit ASes present in the Internet Routing Table: 3511
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 7254
Number of RIPE addresses announced to Internet: 714013824
Equivalent to 42 /8s, 142 /16s and 252 /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
196608-207259
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: 91640
Total LACNIC prefixes after maximum aggregation: 20428
LACNIC Deaggregation factor: 4.49
Prefixes being announced from the LACNIC address blocks: 93081
Unique aggregates announced from the LACNIC address blocks: 40845
LACNIC Region origin ASes present in the Internet Routing Table: 7379
LACNIC Prefixes per ASN: 12.61
LACNIC Region origin ASes announcing only one prefix: 2020
LACNIC Region transit ASes present in the Internet Routing Table: 1393
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 32
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 4922
Number of LACNIC addresses announced to Internet: 172281632
Equivalent to 10 /8s, 68 /16s and 207 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-268700 + 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: 19249
Total AfriNIC prefixes after maximum aggregation: 4087
AfriNIC Deaggregation factor: 4.71
Prefixes being announced from the AfriNIC address blocks: 23002
Unique aggregates announced from the AfriNIC address blocks: 7917
AfriNIC Region origin ASes present in the Internet Routing Table: 1180
AfriNIC Prefixes per ASN: 19.49
AfriNIC Region origin ASes announcing only one prefix: 392
AfriNIC Region transit ASes present in the Internet Routing Table: 236
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 449
Number of AfriNIC addresses announced to Internet: 100038144
Equivalent to 5 /8s, 246 /16s and 118 /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
4538 4694 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4383 467 464 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 2979 1153 84 VIETEL-AS-AP Viettel Group, VN
4766 2855 11135 767 KIXS-AS-KR Korea Telecom, KR
9829 2813 1497 543 BSNL-NIB National Internet Backbone, IN
45899 2658 1636 109 VNPT-AS-VN VNPT Corp, VN
9394 2541 4907 31 CTTNET China TieTong Telecommunications
17974 2260 946 70 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9808 2240 8699 26 CMNET-GD Guangdong Mobile Communication
4755 2115 433 206 TATACOMM-AS TATA Communications formerl
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
6327 3435 1324 82 SHAW - Shaw Communications Inc., CA
22773 3261 2968 149 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
11492 2691 252 436 CABLEONE - CABLE ONE, INC., US
16509 2247 4790 767 AMAZON-02 - Amazon.com, Inc., US
18566 2167 405 109 MEGAPATH5-US - MegaPath Corporation, US
20115 2124 2640 485 CHARTER-NET-HKY-NC - Charter Communicat
30036 2016 344 147 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
16625 2013 1037 1447 AKAMAI-AS - Akamai Technologies, Inc.,
209 1993 5085 603 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
7018 1761 20206 1278 ATT-INTERNET4 - AT&T Services, Inc., 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 4657 1611 123 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 2847 378 44 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2541 622 1886 AKAMAI-ASN1, US
12389 2041 1891 731 ROSTELECOM-AS, RU
34984 1999 334 511 TELLCOM-AS, TR
9121 1855 1692 19 TTNET, TR
13188 1605 100 39 TRIOLAN, UA
6849 1241 355 21 UKRTELNET, UA
8402 1214 544 14 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 5178 3349 606 Uninet S.A. de C.V., MX
10620 3515 535 387 Telmex Colombia S.A., CO
11830 2656 369 78 Instituto Costarricense de Electricidad
6503 1667 444 64 Axtel, S.A.B. de C.V., MX
7303 1507 1026 188 Telecom Argentina S.A., AR
28573 1088 2245 185 CLARO S.A., BR
3816 1020 508 129 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 931 377 31 Telefonica del Peru S.A.A., PE
11172 929 126 85 Alestra, S. de R.L. de C.V., MX
18881 913 1078 30 TELEFÔNICA BRASIL S.A, BR
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 1170 396 48 LINKdotNET-AS, EG
37611 888 107 9 Afrihost, ZA
36903 778 391 137 MT-MPLS, MA
36992 742 1411 40 ETISALAT-MISR, EG
24835 635 818 18 RAYA-AS, EG
8452 617 1730 18 TE-AS TE-AS, EG
37492 473 470 57 ORANGE-, TN
29571 458 68 12 ORANGE-COTE-IVOIRE, CI
37342 386 32 1 MOVITEL, MZ
23889 377 231 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 5178 3349 606 Uninet S.A. de C.V., MX
4538 4694 4192 74 ERX-CERNET-BKB China Education and Rese
12479 4657 1611 123 UNI2-AS, ES
7545 4383 467 464 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 203 20 ALJAWWALSTC-AS, SA
10620 3515 535 387 Telmex Colombia S.A., CO
6327 3435 1324 82 SHAW - Shaw Communications Inc., CA
22773 3261 2968 149 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
7552 2979 1153 84 VIETEL-AS-AP Viettel Group, VN
4766 2855 11135 767 KIXS-AS-KR Korea Telecom, KR
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4538 4694 4620 ERX-CERNET-BKB China Education and Research Net
12479 4657 4534 UNI2-AS, ES
7545 4383 3919 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3435 3353 SHAW - Shaw Communications Inc., CA
10620 3515 3128 Telmex Colombia S.A., CO
22773 3261 3112 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7552 2979 2895 VIETEL-AS-AP Viettel Group, VN
8551 2847 2803 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11830 2656 2578 Instituto Costarricense de Electricidad y Telec
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64514 PRIVATE 5.42.231.0/24 35753 ITC ITC AS number, SA
230105 UNALLOCATED 38.110.79.0/24 23015 CMC180-TOR-AS - Cambridge Merc
64500 DOCUMENT 45.43.56.0/24 135391 AOFEI-HK AOFEI DATA INTERNATIO
266842 UNALLOCATED 45.238.156.0/22 265680 HNTELCO S.A, HN
65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom
4200015017 PRIVATE 47.74.136.0/24 45102 CNNIC-ALIBABA-CN-NET-AP Alibab
4200015017 PRIVATE 47.74.161.0/24 45102 CNNIC-ALIBABA-CN-NET-AP Alibab
4200015017 PRIVATE 47.74.203.0/24 45102 CNNIC-ALIBABA-CN-NET-AP Alibab
4200015017 PRIVATE 47.88.147.0/24 45102 CNNIC-ALIBABA-CN-NET-AP Alibab
64513 PRIVATE 62.150.101.0/24 9155 QNET Kuwait, KW
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
100.66.224.0/19 209 CENTURYLINK-US-LEGACY-QWEST - Qwest Communicati
198.18.1.19/32 7497 CSTNET-AS-AP Computer Network Information Cente
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.100.7.0/24 56096 UNKNOWN
41.76.136.0/22 37500 -Reserved AS-, ZZ
41.76.136.0/24 37500 -Reserved AS-, ZZ
41.76.138.0/24 37500 -Reserved AS-, ZZ
41.76.139.0/24 37500 -Reserved AS-, ZZ
41.76.140.0/22 37500 -Reserved AS-, ZZ
41.78.92.0/22 14988 BTC-GATE1, BW
41.78.180.0/23 37265 -Reserved AS-, ZZ
43.251.20.0/22 9381 WTT-AS-AP WTT HK Limited, HK
43.251.84.0/22 133676 PNPL-AS Precious netcom pvt ltd, IN
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 /8:14 /9:11 /10:36 /11:99 /12:291
/13:570 /14:1096 /15:1897 /16:13374 /17:7928 /18:13775
/19:25377 /20:39399 /21:45804 /22:87910 /23:71570 /24:398231
/25:797 /26:605 /27:625 /28:35 /29:20 /30:19
/31:4 /32:54
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 3399 4657 UNI2-AS, ES
6327 3222 3435 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
22773 2522 3261 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2309 2847 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 2110 2691 CABLEONE - CABLE ONE, INC., US
18566 2061 2167 MEGAPATH5-US - MegaPath Corporation, US
11830 2004 2656 Instituto Costarricense de Electricidad y Telec
30036 1768 2016 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1593 3515 Telmex Colombia S.A., CO
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1612 2:846 4:18 5:2825 6:41 7:1
8:1125 12:1872 13:208 14:1787 15:31 16:3
17:189 18:54 20:50 23:2465 24:2223 25:2
27:2473 31:2037 32:86 35:27 36:509 37:2777
38:1483 39:246 40:122 41:3155 42:695 43:1967
44:122 45:5227 46:3094 47:205 49:1331 50:1054
51:318 52:1076 54:365 55:1 56:12 57:39
58:1626 59:992 60:400 61:2118 62:1873 63:1788
64:5045 65:2199 66:4683 67:2471 68:1162 69:3288
70:1154 71:580 72:2135 74:2716 75:420 76:460
77:1635 78:1698 79:2149 80:1545 81:1381 82:1067
83:786 84:1069 85:1987 86:566 87:1358 88:920
89:2361 90:214 91:6435 92:1258 93:2382 94:2387
95:2918 96:778 97:355 98:936 99:133 100:86
101:1237 102:172 103:18311 104:3566 105:216 106:768
107:1796 108:696 109:3170 110:1626 111:1792 112:1332
113:1298 114:1135 115:1654 116:1644 117:1896 118:2211
119:1678 120:1009 121:1057 122:2472 123:1766 124:1448
125:1922 128:1101 129:684 130:492 131:1609 132:729
133:195 134:1023 135:232 136:503 137:651 138:1930
139:660 140:476 141:734 142:803 143:1007 144:809
145:484 146:1211 147:727 148:1643 149:754 150:743
151:1095 152:816 153:321 154:1463 155:799 156:1256
157:795 158:655 159:1784 160:1277 161:804 162:2593
163:597 164:1074 165:1525 166:462 167:1307 168:3126
169:827 170:3828 171:492 172:1022 173:2001 174:929
175:771 176:2000 177:4051 178:2552 179:1247 180:2176
181:2412 182:2399 183:1239 184:1053 185:13899 186:3601
187:2376 188:2922 189:2045 190:8173 191:1352 192:9810
193:6092 194:4973 195:3984 196:2617 197:1608 198:5554
199:5900 200:7335 201:5040 202:10248 203:10268 204:4561
205:2870 206:3176 207:3199 208:3969 209:4009 210:3867
211:1983 212:3051 213:2813 214:1025 215:56 216:6037
217:2123 218:853 219:578 220:1817 221:992 222:973
223:1375
End of report
Plus d'informations sur la liste de diffusion cmNOG