[cmNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Ven 26 Oct 18:03:26 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 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 27 Oct, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 722250
Prefixes after maximum aggregation (per Origin AS): 278090
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 346952
Total ASes present in the Internet Routing Table: 62257
Prefixes per ASN: 11.60
Origin-only ASes present in the Internet Routing Table: 53743
Origin ASes announcing only one prefix: 23346
Transit ASes present in the Internet Routing Table: 8514
Transit-only ASes present in the Internet Routing Table: 263
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 44
Max AS path prepend of ASN ( 19955) 41
Prefixes from unregistered ASNs in the Routing Table: 40
Number of instances of unregistered ASNs: 40
Number of 32-bit ASNs allocated by the RIRs: 24617
Number of 32-bit ASNs visible in the Routing Table: 19895
Prefixes from 32-bit ASNs in the Routing Table: 84143
Number of bogon 32-bit ASNs visible in the Routing Table: 230
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 261
Number of addresses announced to Internet: 2860457139
Equivalent to 170 /8s, 127 /16s and 28 /24s
Percentage of available address space announced: 77.3
Percentage of allocated address space announced: 77.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.1
Total number of prefixes smaller than registry allocations: 241318
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 196372
Total APNIC prefixes after maximum aggregation: 56014
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 194079
Unique aggregates announced from the APNIC address blocks: 80222
APNIC Region origin ASes present in the Internet Routing Table: 9197
APNIC Prefixes per ASN: 21.10
APNIC Region origin ASes announcing only one prefix: 2576
APNIC Region transit ASes present in the Internet Routing Table: 1369
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: 4168
Number of APNIC addresses announced to Internet: 767928322
Equivalent to 45 /8s, 197 /16s and 168 /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: 214886
Total ARIN prefixes after maximum aggregation: 102025
ARIN Deaggregation factor: 2.11
Prefixes being announced from the ARIN address blocks: 214232
Unique aggregates announced from the ARIN address blocks: 102051
ARIN Region origin ASes present in the Internet Routing Table: 18279
ARIN Prefixes per ASN: 11.72
ARIN Region origin ASes announcing only one prefix: 6780
ARIN Region transit ASes present in the Internet Routing Table: 1819
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 44
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2480
Number of ARIN addresses announced to Internet: 1102718992
Equivalent to 65 /8s, 186 /16s and 40 /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: 197293
Total RIPE prefixes after maximum aggregation: 94314
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 193756
Unique aggregates announced from the RIPE address blocks: 114550
RIPE Region origin ASes present in the Internet Routing Table: 25591
RIPE Prefixes per ASN: 7.57
RIPE Region origin ASes announcing only one prefix: 11485
RIPE Region transit ASes present in the Internet Routing Table: 3536
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 36
Number of RIPE region 32-bit ASNs visible in the Routing Table: 7526
Number of RIPE addresses announced to Internet: 714749056
Equivalent to 42 /8s, 154 /16s and 52 /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: 93819
Total LACNIC prefixes after maximum aggregation: 21500
LACNIC Deaggregation factor: 4.36
Prefixes being announced from the LACNIC address blocks: 95259
Unique aggregates announced from the LACNIC address blocks: 41519
LACNIC Region origin ASes present in the Internet Routing Table: 7692
LACNIC Prefixes per ASN: 12.38
LACNIC Region origin ASes announcing only one prefix: 2103
LACNIC Region transit ASes present in the Internet Routing Table: 1448
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 26
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 5237
Number of LACNIC addresses announced to Internet: 172397600
Equivalent to 10 /8s, 70 /16s and 148 /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: 19839
Total AfriNIC prefixes after maximum aggregation: 4203
AfriNIC Deaggregation factor: 4.72
Prefixes being announced from the AfriNIC address blocks: 24663
Unique aggregates announced from the AfriNIC address blocks: 8370
AfriNIC Region origin ASes present in the Internet Routing Table: 1210
AfriNIC Prefixes per ASN: 20.38
AfriNIC Region origin ASes announcing only one prefix: 402
AfriNIC Region transit ASes present in the Internet Routing Table: 241
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 26
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 484
Number of AfriNIC addresses announced to Internet: 102236160
Equivalent to 6 /8s, 24 /16s and 0 /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 4634 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4522 509 503 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 2950 1153 93 VIETEL-AS-AP Viettel Group, VN
45899 2947 1685 110 VNPT-AS-VN VNPT Corp, VN
4766 2807 11130 763 KIXS-AS-KR Korea Telecom, KR
9829 2746 1496 551 BSNL-NIB National Internet Backbone, IN
9394 2426 4907 30 CTTNET China TieTong Telecommunications
9808 2250 8699 26 CMNET-GD Guangdong Mobile Communication
17974 2246 968 51 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4755 2130 421 171 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 3455 1324 84 SHAW - Shaw Communications Inc., CA
11492 3453 223 640 CABLEONE - CABLE ONE, INC., US
22773 3273 2972 164 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 2354 5006 851 AMAZON-02 - Amazon.com, Inc., US
18566 2154 405 109 MEGAPATH5-US - MegaPath Corporation, US
20115 2145 2737 540 CHARTER-NET-HKY-NC - Charter Communicat
16625 2099 1128 1565 AKAMAI-AS - Akamai Technologies, Inc.,
5650 2084 3074 1461 FRONTIER-FRTR - Frontier Communications
30036 2052 346 152 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
209 2041 5080 596 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 4997 1616 132 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 3037 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2559 573 1910 AKAMAI-ASN1, US
12389 2144 2125 679 ROSTELECOM-AS, RU
34984 2021 335 532 TELLCOM-AS, TR
9121 1871 1691 17 TTNET, TR
13188 1604 100 45 TRIOLAN, UA
8402 1285 544 14 CORBINA-AS OJSC "Vimpelcom", RU
6849 1241 355 21 UKRTELNET, UA
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 5434 3307 599 Uninet S.A. de C.V., MX
10620 3196 489 810 Telmex Colombia S.A., CO
11830 2665 370 80 Instituto Costarricense de Electricidad
6503 1660 449 55 Axtel, S.A.B. de C.V., MX
7303 1436 959 209 Telecom Argentina S.A., AR
28573 1125 2237 181 CLARO S.A., BR
6147 1090 377 29 Telefonica del Peru S.A.A., PE
3816 1027 512 114 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 936 145 71 Alestra, S. de R.L. de C.V., MX
13999 921 537 258 Mega Cable, S.A. 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 1170 396 48 LINKdotNET-AS, EG
37611 907 107 9 Afrihost, ZA
36903 794 399 146 MT-MPLS, MA
36992 776 1411 41 ETISALAT-MISR, EG
24835 676 758 20 RAYA-AS, EG
8452 636 1728 15 TE-AS TE-AS, EG
37492 467 470 57 ORANGE-, TN
29571 461 70 12 ORANGE-COTE-IVOIRE, CI
23889 396 231 15 MauritiusTelecom, MU
37342 394 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 5434 3307 599 Uninet S.A. de C.V., MX
12479 4997 1616 132 UNI2-AS, ES
4538 4634 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4522 509 503 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 203 20 ALJAWWALSTC-AS, SA
6327 3455 1324 84 SHAW - Shaw Communications Inc., CA
11492 3453 223 640 CABLEONE - CABLE ONE, INC., US
22773 3273 2972 164 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3196 489 810 Telmex Colombia S.A., CO
8551 3037 378 43 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 4997 4865 UNI2-AS, ES
4538 4634 4560 ERX-CERNET-BKB China Education and Research Net
7545 4522 4019 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3455 3371 SHAW - Shaw Communications Inc., CA
22773 3273 3109 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 3037 2994 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7552 2950 2857 VIETEL-AS-AP Viettel Group, VN
45899 2947 2837 VNPT-AS-VN VNPT Corp, VN
11492 3453 2813 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
64500 DOCUMENT 45.43.56.0/24 45474 NEXUSGUARD-AS-AP Suite 2101~02
266842 UNALLOCATED 45.238.156.0/22 265680 HNTELCO S.A, HN
65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom
64121 UNALLOCATED 98.159.9.0/24 19555 KMI-NETWORK - Kinder Morgan, I
64121 UNALLOCATED 98.159.12.0/24 19555 KMI-NETWORK - Kinder Morgan, I
64140 UNALLOCATED 98.159.14.0/24 64121 UNKNOWN
65551 DOCUMENT 103.112.64.0/23 58889 ZOL-BD Zx Online Ltd, BD
65001 PRIVATE 109.161.56.0/24 13118 ASN-YARTELECOM PJSC Rostelecom
92937 UNALLOCATED 110.49.72.0/24 45458 SBN-AWN-AS-02-AP SBN-ISP/AWN-I
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
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
41.76.140.0/22 37500 -Reserved AS-, ZZ
41.78.92.0/22 14988 BTC-GATE1, BW
41.78.180.0/23 37265 -Reserved AS-, ZZ
45.121.32.0/22 134356 UNKNOWN
45.124.164.0/22 38803 GTELECOM-AUSTRALIA Gtelecom-AUSTRALIA, AU
45.252.236.0/22 38803 GTELECOM-AUSTRALIA Gtelecom-AUSTRALIA, AU
64.28.160.0/20 20475 AS20475 - Global Capacity, LLC, US
64.29.240.0/20 27279 -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 /8:14 /9:11 /10:36 /11:98 /12:289
/13:567 /14:1122 /15:1888 /16:13319 /17:7885 /18:13837
/19:25410 /20:39613 /21:46014 /22:89730 /23:73619 /24:406579
/25:821 /26:624 /27:639 /28:35 /29:21 /30:22
/31:4 /32:53
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 3811 4997 UNI2-AS, ES
6327 3240 3455 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
11492 2740 3453 CABLEONE - CABLE ONE, INC., US
22773 2529 3273 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2493 3037 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
18566 2048 2154 MEGAPATH5-US - MegaPath Corporation, US
11830 2012 2665 Instituto Costarricense de Electricidad y Telec
30036 1801 2052 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
5650 1762 2084 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)
----------------------------------------------
1:1615 2:893 4:18 5:2670 6:43 7:1
8:1142 12:1873 13:231 14:1858 15:33 16:3
17:192 18:58 20:50 23:2471 24:2435 25:2
27:2512 31:2025 32:86 35:30 36:553 37:2927
38:1560 39:262 40:122 41:3211 42:717 43:1979
44:125 45:5844 46:3100 47:228 49:1351 50:1069
51:319 52:1098 54:361 55:1 56:12 57:38
58:1623 59:991 60:418 61:2088 62:1891 63:1795
64:5062 65:2198 66:4830 67:2667 68:1155 69:3341
70:1168 71:591 72:2239 74:2728 75:415 76:470
77:1662 78:1742 79:2217 80:1566 81:1414 82:1053
83:789 84:1043 85:2074 86:561 87:1463 88:948
89:2379 90:208 91:6450 92:1275 93:2394 94:2447
95:3020 96:913 97:351 98:945 99:147 100:86
101:1160 102:263 103:18982 104:3586 105:236 106:898
107:1835 108:709 109:3374 110:1667 111:1814 112:1345
113:1312 114:1142 115:1689 116:1647 117:1796 118:2194
119:1673 120:1082 121:1038 122:2320 123:1656 124:1451
125:1940 128:1209 129:672 130:502 131:1610 132:724
133:191 134:1035 135:237 136:526 137:662 138:1976
139:709 140:553 141:753 142:802 143:1021 144:842
145:496 146:1238 147:773 148:1644 149:781 150:762
151:996 152:875 153:325 154:1895 155:950 156:1557
157:820 158:652 159:1856 160:1474 161:871 162:2639
163:740 164:1096 165:1570 166:454 167:1344 168:3150
169:859 170:3989 171:496 172:1054 173:2083 174:993
175:825 176:2121 177:4019 178:2519 179:1279 180:2125
181:2448 182:2578 183:1305 184:1125 185:14273 186:3613
187:2451 188:2923 189:1997 190:8344 191:1388 192:9887
193:6337 194:5169 195:4041 196:2820 197:1620 198:5675
199:5964 200:7446 201:5011 202:10247 203:10147 204:4615
205:3009 206:3224 207:3203 208:3945 209:4149 210:3837
211:1985 212:2997 213:2810 214:1050 215:54 216:6001
217:2186 218:863 219:577 220:1818 221:994 222:971
223:1394
End of report
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