[cmNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Ven 27 Juil 18:03:07 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 28 Jul, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 707831
Prefixes after maximum aggregation (per Origin AS): 271940
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 339769
Total ASes present in the Internet Routing Table: 61314
Prefixes per ASN: 11.54
Origin-only ASes present in the Internet Routing Table: 52960
Origin ASes announcing only one prefix: 23085
Transit ASes present in the Internet Routing Table: 8354
Transit-only ASes present in the Internet Routing Table: 267
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: 55
Number of instances of unregistered ASNs: 55
Number of 32-bit ASNs allocated by the RIRs: 23460
Number of 32-bit ASNs visible in the Routing Table: 18868
Prefixes from 32-bit ASNs in the Routing Table: 78889
Number of bogon 32-bit ASNs visible in the Routing Table: 22
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 282
Number of addresses announced to Internet: 2857289283
Equivalent to 170 /8s, 78 /16s and 198 /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: 235856
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 193185
Total APNIC prefixes after maximum aggregation: 54926
APNIC Deaggregation factor: 3.52
Prefixes being announced from the APNIC address blocks: 191556
Unique aggregates announced from the APNIC address blocks: 78618
APNIC Region origin ASes present in the Internet Routing Table: 8971
APNIC Prefixes per ASN: 21.35
APNIC Region origin ASes announcing only one prefix: 2518
APNIC Region transit ASes present in the Internet Routing Table: 1338
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: 3922
Number of APNIC addresses announced to Internet: 767760130
Equivalent to 45 /8s, 195 /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: 210288
Total ARIN prefixes after maximum aggregation: 100019
ARIN Deaggregation factor: 2.10
Prefixes being announced from the ARIN address blocks: 210480
Unique aggregates announced from the ARIN address blocks: 99420
ARIN Region origin ASes present in the Internet Routing Table: 18191
ARIN Prefixes per ASN: 11.57
ARIN Region origin ASes announcing only one prefix: 6721
ARIN Region transit ASes present in the Internet Routing Table: 1807
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2385
Number of ARIN addresses announced to Internet: 1102770848
Equivalent to 65 /8s, 186 /16s and 242 /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: 193768
Total RIPE prefixes after maximum aggregation: 92607
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 189917
Unique aggregates announced from the RIPE address blocks: 112763
RIPE Region origin ASes present in the Internet Routing Table: 25326
RIPE Prefixes per ASN: 7.50
RIPE Region origin ASes announcing only one prefix: 11415
RIPE Region transit ASes present in the Internet Routing Table: 3503
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: 7216
Number of RIPE addresses announced to Internet: 714010240
Equivalent to 42 /8s, 142 /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
196608-207259
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: 91315
Total LACNIC prefixes after maximum aggregation: 20268
LACNIC Deaggregation factor: 4.51
Prefixes being announced from the LACNIC address blocks: 92744
Unique aggregates announced from the LACNIC address blocks: 40795
LACNIC Region origin ASes present in the Internet Routing Table: 7348
LACNIC Prefixes per ASN: 12.62
LACNIC Region origin ASes announcing only one prefix: 2032
LACNIC Region transit ASes present in the Internet Routing Table: 1379
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 34
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 4891
Number of LACNIC addresses announced to Internet: 172285216
Equivalent to 10 /8s, 68 /16s and 221 /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: 19219
Total AfriNIC prefixes after maximum aggregation: 4076
AfriNIC Deaggregation factor: 4.72
Prefixes being announced from the AfriNIC address blocks: 22852
Unique aggregates announced from the AfriNIC address blocks: 7926
AfriNIC Region origin ASes present in the Internet Routing Table: 1183
AfriNIC Prefixes per ASN: 19.32
AfriNIC Region origin ASes announcing only one prefix: 399
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: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 454
Number of AfriNIC addresses announced to Internet: 100013568
Equivalent to 5 /8s, 246 /16s and 22 /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 4692 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4364 467 460 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 2966 1153 83 VIETEL-AS-AP Viettel Group, VN
4766 2863 11135 765 KIXS-AS-KR Korea Telecom, KR
9829 2813 1497 543 BSNL-NIB National Internet Backbone, IN
45899 2657 1637 110 VNPT-AS-VN VNPT Corp, VN
9394 2542 4907 31 CTTNET China TieTong Telecommunications
17974 2260 930 71 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9808 2238 8699 26 CMNET-GD Guangdong Mobile Communication
4755 2112 417 205 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 3433 1324 82 SHAW - Shaw Communications Inc., CA
22773 3272 2968 149 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
11492 2541 244 475 CABLEONE - CABLE ONE, INC., US
16509 2250 4790 759 AMAZON-02 - Amazon.com, Inc., US
18566 2167 405 109 MEGAPATH5-US - MegaPath Corporation, US
20115 2118 2616 480 CHARTER-NET-HKY-NC - Charter Communicat
16625 2014 1033 1440 AKAMAI-AS - Akamai Technologies, Inc.,
30036 2013 344 148 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
209 1996 5071 607 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
7018 1746 20200 1263 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 4614 1610 122 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
20940 2540 624 1886 AKAMAI-ASN1, US
8551 2523 378 44 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2043 1891 731 ROSTELECOM-AS, RU
34984 2008 335 500 TELLCOM-AS, TR
9121 1865 1692 19 TTNET, TR
13188 1604 100 43 TRIOLAN, UA
6849 1241 355 21 UKRTELNET, UA
8402 1203 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 5155 3346 605 Uninet S.A. de C.V., MX
10620 3533 538 320 Telmex Colombia S.A., CO
11830 2656 369 78 Instituto Costarricense de Electricidad
6503 1670 444 64 Axtel, S.A.B. de C.V., MX
7303 1507 1026 188 Telecom Argentina S.A., AR
28573 1039 2248 184 CLARO S.A., BR
3816 1024 508 130 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 931 377 31 Telefonica del Peru S.A.A., PE
11172 922 126 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 1166 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
8452 641 1730 18 TE-AS TE-AS, EG
24835 635 818 18 RAYA-AS, EG
37492 473 470 57 ORANGE-, TN
29571 458 68 12 ORANGE-COTE-IVOIRE, CI
37342 386 32 1 MOVITEL, MZ
23889 378 231 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 5155 3346 605 Uninet S.A. de C.V., MX
4538 4692 4192 74 ERX-CERNET-BKB China Education and Rese
12479 4614 1610 122 UNI2-AS, ES
7545 4364 467 460 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 203 20 ALJAWWALSTC-AS, SA
10620 3533 538 320 Telmex Colombia S.A., CO
6327 3433 1324 82 SHAW - Shaw Communications Inc., CA
22773 3272 2968 149 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
7552 2966 1153 83 VIETEL-AS-AP Viettel Group, VN
4766 2863 11135 765 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 4692 4618 ERX-CERNET-BKB China Education and Research Net
12479 4614 4492 UNI2-AS, ES
7545 4364 3904 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3433 3351 SHAW - Shaw Communications Inc., CA
10620 3533 3213 Telmex Colombia S.A., CO
22773 3272 3123 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7552 2966 2883 VIETEL-AS-AP Viettel Group, VN
11830 2656 2578 Instituto Costarricense de Electricidad y Telec
45899 2657 2547 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 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
65537 DOCUMENT 62.162.120.0/24 6821 MT-AS-OWN bul. Orce Nikolov bb
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 /17:7948 /18:13788
/19:25370 /20:39367 /21:45769 /22:87770 /23:71416 /24:396848
/25:803 /26:606 /27:626 /28:35 /29:20 /30:19
/31:4 /32:54
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 3355 4614 UNI2-AS, ES
6327 3220 3433 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
22773 2534 3272 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2060 2167 MEGAPATH5-US - MegaPath Corporation, US
11830 2004 2656 Instituto Costarricense de Electricidad y Telec
8551 1985 2523 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 1963 2541 CABLEONE - CABLE ONE, INC., US
30036 1765 2013 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1601 3533 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)
----------------------------------------------
1:1613 2:825 4:18 5:2832 6:41 7:1
8:1123 12:1874 13:207 14:1767 15:30 16:3
17:188 18:54 20:50 23:2458 24:2202 25:2
27:2478 31:2033 32:85 35:27 36:508 37:2876
38:1490 39:247 40:122 41:3126 42:692 43:1965
44:121 45:5105 46:3092 47:204 49:1330 50:1054
51:317 52:1071 54:370 55:4 56:12 57:39
58:1619 59:993 60:401 61:2112 62:1867 63:1799
64:5048 65:2201 66:4657 67:2429 68:1166 69:3274
70:1155 71:580 72:2150 74:2713 75:419 76:461
77:1571 78:1700 79:1820 80:1533 81:1389 82:1073
83:787 84:1070 85:2004 86:564 87:1352 88:923
89:2350 90:214 91:6424 92:1253 93:2371 94:2391
95:2924 96:774 97:358 98:935 99:133 100:85
101:1234 102:170 103:18260 104:3590 105:217 106:746
107:1789 108:695 109:3173 110:1630 111:1772 112:1314
113:1293 114:1135 115:1653 116:1638 117:1767 118:2207
119:1669 120:1006 121:1061 122:2474 123:1760 124:1447
125:1920 128:1084 129:666 130:489 131:1643 132:712
133:195 134:1018 135:231 136:504 137:650 138:1925
139:663 140:477 141:735 142:805 143:1012 144:805
145:486 146:1204 147:742 148:1642 149:752 150:741
151:1098 152:816 153:320 154:1457 155:798 156:1182
157:797 158:654 159:1778 160:1266 161:799 162:2587
163:609 164:1063 165:1524 166:458 167:1307 168:3121
169:827 170:3796 171:492 172:1006 173:1991 174:905
175:761 176:2007 177:4025 178:2542 179:1240 180:2174
181:2380 182:2395 183:1239 184:1030 185:13841 186:3568
187:2398 188:2883 189:2012 190:8183 191:1371 192:9801
193:6095 194:4913 195:3976 196:2657 197:1608 198:5562
199:5903 200:7338 201:4971 202:10218 203:10254 204:4575
205:2902 206:3174 207:3199 208:3975 209:3989 210:3887
211:1977 212:3016 213:2810 214:1050 215:57 216:6041
217:2129 218:856 219:584 220:1806 221:994 222:973
223:1359
End of report
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