Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Oct 19 18:03:13 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 20 Oct, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 720932
Prefixes after maximum aggregation (per Origin AS): 277736
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 346559
Total ASes present in the Internet Routing Table: 62172
Prefixes per ASN: 11.60
Origin-only ASes present in the Internet Routing Table: 53659
Origin ASes announcing only one prefix: 23351
Transit ASes present in the Internet Routing Table: 8513
Transit-only ASes present in the Internet Routing Table: 258
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 36
Max AS path prepend of ASN ( 30873) 34
Prefixes from unregistered ASNs in the Routing Table: 45
Number of instances of unregistered ASNs: 45
Number of 32-bit ASNs allocated by the RIRs: 24512
Number of 32-bit ASNs visible in the Routing Table: 19802
Prefixes from 32-bit ASNs in the Routing Table: 83276
Number of bogon 32-bit ASNs visible in the Routing Table: 15
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 265
Number of addresses announced to Internet: 2855841539
Equivalent to 170 /8s, 56 /16s and 175 /24s
Percentage of available address space announced: 77.1
Percentage of allocated address space announced: 77.1
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: 240937
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 196031
Total APNIC prefixes after maximum aggregation: 55976
APNIC Deaggregation factor: 3.50
Prefixes being announced from the APNIC address blocks: 193756
Unique aggregates announced from the APNIC address blocks: 80180
APNIC Region origin ASes present in the Internet Routing Table: 9173
APNIC Prefixes per ASN: 21.12
APNIC Region origin ASes announcing only one prefix: 2566
APNIC Region transit ASes present in the Internet Routing Table: 1366
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: 4141
Number of APNIC addresses announced to Internet: 767770050
Equivalent to 45 /8s, 195 /16s and 61 /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: 214759
Total ARIN prefixes after maximum aggregation: 101898
ARIN Deaggregation factor: 2.11
Prefixes being announced from the ARIN address blocks: 214148
Unique aggregates announced from the ARIN address blocks: 101956
ARIN Region origin ASes present in the Internet Routing Table: 18276
ARIN Prefixes per ASN: 11.72
ARIN Region origin ASes announcing only one prefix: 6787
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: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2468
Number of ARIN addresses announced to Internet: 1098652576
Equivalent to 65 /8s, 124 /16s and 27 /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: 197098
Total RIPE prefixes after maximum aggregation: 94122
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 193556
Unique aggregates announced from the RIPE address blocks: 114401
RIPE Region origin ASes present in the Internet Routing Table: 25565
RIPE Prefixes per ASN: 7.57
RIPE Region origin ASes announcing only one prefix: 11475
RIPE Region transit ASes present in the Internet Routing Table: 3540
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: 7497
Number of RIPE addresses announced to Internet: 714892672
Equivalent to 42 /8s, 156 /16s and 101 /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: 93394
Total LACNIC prefixes after maximum aggregation: 21481
LACNIC Deaggregation factor: 4.35
Prefixes being announced from the LACNIC address blocks: 94805
Unique aggregates announced from the LACNIC address blocks: 41433
LACNIC Region origin ASes present in the Internet Routing Table: 7667
LACNIC Prefixes per ASN: 12.37
LACNIC Region origin ASes announcing only one prefix: 2118
LACNIC Region transit ASes present in the Internet Routing Table: 1445
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: 5216
Number of LACNIC addresses announced to Internet: 172298784
Equivalent to 10 /8s, 69 /16s and 18 /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: 19604
Total AfriNIC prefixes after maximum aggregation: 4219
AfriNIC Deaggregation factor: 4.65
Prefixes being announced from the AfriNIC address blocks: 24402
Unique aggregates announced from the AfriNIC address blocks: 8345
AfriNIC Region origin ASes present in the Internet Routing Table: 1207
AfriNIC Prefixes per ASN: 20.22
AfriNIC Region origin ASes announcing only one prefix: 405
AfriNIC Region transit ASes present in the Internet Routing Table: 243
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: 480
Number of AfriNIC addresses announced to Internet: 101797120
Equivalent to 6 /8s, 17 /16s and 77 /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 4638 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4471 496 489 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 2985 1153 93 VIETEL-AS-AP Viettel Group, VN
45899 2839 1674 159 VNPT-AS-VN VNPT Corp, VN
4766 2809 11130 764 KIXS-AS-KR Korea Telecom, KR
9829 2734 1495 548 BSNL-NIB National Internet Backbone, IN
9394 2503 4907 31 CTTNET China TieTong Telecommunications
9808 2252 8699 26 CMNET-GD Guangdong Mobile Communication
17974 2240 968 51 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4755 2133 422 172 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
11492 3495 226 581 CABLEONE - CABLE ONE, INC., US
6327 3454 1324 84 SHAW - Shaw Communications Inc., CA
22773 3268 2971 161 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 2325 5005 834 AMAZON-02 - Amazon.com, Inc., US
18566 2156 405 109 MEGAPATH5-US - MegaPath Corporation, US
20115 2148 2737 515 CHARTER-NET-HKY-NC - Charter Communicat
5650 2085 3074 1461 FRONTIER-FRTR - Frontier Communications
16625 2081 1118 1555 AKAMAI-AS - Akamai Technologies, Inc.,
209 2036 5079 594 CENTURYLINK-US-LEGACY-QWEST - CenturyLi
30036 2033 343 228 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
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 4996 1616 132 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 3045 378 50 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2569 578 1913 AKAMAI-ASN1, US
12389 2119 2067 686 ROSTELECOM-AS, RU
34984 2030 336 527 TELLCOM-AS, TR
9121 1862 1691 17 TTNET, TR
13188 1604 100 45 TRIOLAN, UA
8402 1284 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 5424 3305 609 Uninet S.A. de C.V., MX
10620 3199 490 804 Telmex Colombia S.A., CO
11830 2661 370 83 Instituto Costarricense de Electricidad
6503 1651 449 55 Axtel, S.A.B. de C.V., MX
7303 1432 956 206 Telecom Argentina S.A., AR
6147 1092 377 29 Telefonica del Peru S.A.A., PE
28573 1083 2234 192 CLARO S.A., BR
3816 1025 508 115 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 937 145 72 Alestra, S. de R.L. de C.V., MX
18881 919 1114 28 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 949 395 41 LINKdotNET-AS, EG
37611 902 107 9 Afrihost, ZA
36903 794 399 146 MT-MPLS, MA
36992 753 1411 41 ETISALAT-MISR, EG
24835 682 758 20 RAYA-AS, EG
8452 612 1728 15 TE-AS TE-AS, EG
29571 462 70 12 ORANGE-COTE-IVOIRE, CI
37492 440 467 62 ORANGE-, TN
23889 394 231 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 5424 3305 609 Uninet S.A. de C.V., MX
12479 4996 1616 132 UNI2-AS, ES
4538 4638 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4471 496 489 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 203 20 ALJAWWALSTC-AS, SA
11492 3495 226 581 CABLEONE - CABLE ONE, INC., US
6327 3454 1324 84 SHAW - Shaw Communications Inc., CA
22773 3268 2971 161 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3199 490 804 Telmex Colombia S.A., CO
8551 3045 378 50 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 4996 4864 UNI2-AS, ES
4538 4638 4564 ERX-CERNET-BKB China Education and Research Net
7545 4471 3982 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3454 3370 SHAW - Shaw Communications Inc., CA
22773 3268 3107 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 3045 2995 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 3495 2914 CABLEONE - CABLE ONE, INC., US
7552 2985 2892 VIETEL-AS-AP Viettel Group, VN
45899 2839 2680 VNPT-AS-VN VNPT Corp, VN
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
41.76.140.0/22 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
64.30.152.0/24 15830 TELECITY-LON, GB
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
/13:566 /14:1105 /15:1889 /16:13326 /17:7890 /18:13785
/19:25401 /20:39569 /21:45929 /22:89486 /23:73423 /24:405894
/25:822 /26:625 /27:639 /28:36 /29:21 /30:22
/31:4 /32:52
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 3779 4996 UNI2-AS, ES
6327 3239 3454 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
11492 2764 3495 CABLEONE - CABLE ONE, INC., US
22773 2527 3268 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2501 3045 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
18566 2050 2156 MEGAPATH5-US - MegaPath Corporation, US
11830 2011 2661 Instituto Costarricense de Electricidad y Telec
30036 1781 2033 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
5650 1762 2085 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)
----------------------------------------------
1:1612 2:892 4:18 5:2676 6:43 7:1
8:1142 12:1869 13:222 14:1848 15:33 16:3
17:192 18:58 20:50 23:2471 24:2434 25:2
27:2512 31:2013 32:84 35:30 36:546 37:2918
38:1560 39:262 40:122 41:3179 42:717 43:1959
44:126 45:5808 46:3112 47:222 49:1352 50:1062
51:318 52:1089 54:361 55:1 56:12 57:38
58:1608 59:985 60:417 61:2084 62:1954 63:1805
64:5053 65:2204 66:4817 67:2665 68:1156 69:3345
70:1166 71:590 72:2245 74:2730 75:416 76:458
77:1658 78:1746 79:2226 80:1584 81:1422 82:1052
83:787 84:1048 85:2063 86:568 87:1468 88:942
89:2368 90:215 91:6446 92:1272 93:2392 94:2451
95:3026 96:924 97:353 98:944 99:145 100:86
101:1174 102:252 103:18935 104:3569 105:235 106:769
107:1831 108:710 109:3375 110:1658 111:1815 112:1329
113:1306 114:1143 115:1681 116:1660 117:1802 118:2192
119:1666 120:1083 121:1036 122:2319 123:1664 124:1451
125:1939 128:1206 129:689 130:503 131:1616 132:723
133:191 134:1036 135:237 136:527 137:658 138:1961
139:695 140:553 141:752 142:840 143:988 144:851
145:496 146:1249 147:769 148:1665 149:775 150:763
151:991 152:871 153:325 154:1882 155:941 156:1533
157:813 158:660 159:1867 160:1494 161:852 162:2650
163:735 164:1092 165:1565 166:454 167:1288 168:3138
169:859 170:3982 171:495 172:1040 173:2077 174:997
175:817 176:2107 177:3980 178:2507 179:1305 180:2122
181:2430 182:2596 183:1303 184:1135 185:14239 186:3591
187:2449 188:2930 189:2010 190:8269 191:1361 192:9864
193:6304 194:5153 195:4047 196:2838 197:1618 198:5692
199:5954 200:7407 201:5017 202:10249 203:10199 204:4612
205:2982 206:3217 207:3196 208:3931 209:4160 210:3834
211:1985 212:2983 213:2800 214:1041 215:54 216:6022
217:2181 218:866 219:575 220:1812 221:992 222:967
223:1400
End of report
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