[cmNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Ven 31 Aou 18:03:14 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 01 Sep, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 713837
Prefixes after maximum aggregation (per Origin AS): 273774
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 342471
Total ASes present in the Internet Routing Table: 61678
Prefixes per ASN: 11.57
Origin-only ASes present in the Internet Routing Table: 53258
Origin ASes announcing only one prefix: 23227
Transit ASes present in the Internet Routing Table: 8420
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: 34
Max AS path prepend of ASN ( 30873) 32
Prefixes from unregistered ASNs in the Routing Table: 59
Number of instances of unregistered ASNs: 59
Number of 32-bit ASNs allocated by the RIRs: 23898
Number of 32-bit ASNs visible in the Routing Table: 19283
Prefixes from 32-bit ASNs in the Routing Table: 80844
Number of bogon 32-bit ASNs visible in the Routing Table: 18
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 321
Number of addresses announced to Internet: 2855523908
Equivalent to 170 /8s, 51 /16s and 214 /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: 99.0
Total number of prefixes smaller than registry allocations: 238618
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 194522
Total APNIC prefixes after maximum aggregation: 55387
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 192645
Unique aggregates announced from the APNIC address blocks: 79290
APNIC Region origin ASes present in the Internet Routing Table: 9034
APNIC Prefixes per ASN: 21.32
APNIC Region origin ASes announcing only one prefix: 2537
APNIC Region transit ASes present in the Internet Routing Table: 1348
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 4001
Number of APNIC addresses announced to Internet: 767494915
Equivalent to 45 /8s, 191 /16s and 11 /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: 212189
Total ARIN prefixes after maximum aggregation: 100386
ARIN Deaggregation factor: 2.11
Prefixes being announced from the ARIN address blocks: 211909
Unique aggregates announced from the ARIN address blocks: 100560
ARIN Region origin ASes present in the Internet Routing Table: 18219
ARIN Prefixes per ASN: 11.63
ARIN Region origin ASes announcing only one prefix: 6756
ARIN Region transit ASes present in the Internet Routing Table: 1808
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: 2419
Number of ARIN addresses announced to Internet: 1101112992
Equivalent to 65 /8s, 161 /16s and 166 /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: 195173
Total RIPE prefixes after maximum aggregation: 93190
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 191486
Unique aggregates announced from the RIPE address blocks: 113483
RIPE Region origin ASes present in the Internet Routing Table: 25451
RIPE Prefixes per ASN: 7.52
RIPE Region origin ASes announcing only one prefix: 11469
RIPE Region transit ASes present in the Internet Routing Table: 3514
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: 7357
Number of RIPE addresses announced to Internet: 714109312
Equivalent to 42 /8s, 144 /16s and 113 /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: 92401
Total LACNIC prefixes after maximum aggregation: 20612
LACNIC Deaggregation factor: 4.48
Prefixes being announced from the LACNIC address blocks: 93809
Unique aggregates announced from the LACNIC address blocks: 40895
LACNIC Region origin ASes present in the Internet Routing Table: 7499
LACNIC Prefixes per ASN: 12.51
LACNIC Region origin ASes announcing only one prefix: 2072
LACNIC Region transit ASes present in the Internet Routing Table: 1417
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 26
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 5047
Number of LACNIC addresses announced to Internet: 172077344
Equivalent to 10 /8s, 65 /16s and 177 /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: 19492
Total AfriNIC prefixes after maximum aggregation: 4149
AfriNIC Deaggregation factor: 4.70
Prefixes being announced from the AfriNIC address blocks: 23667
Unique aggregates announced from the AfriNIC address blocks: 7969
AfriNIC Region origin ASes present in the Internet Routing Table: 1185
AfriNIC Prefixes per ASN: 19.97
AfriNIC Region origin ASes announcing only one prefix: 393
AfriNIC Region transit ASes present in the Internet Routing Table: 240
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: 459
Number of AfriNIC addresses announced to Internet: 100272384
Equivalent to 5 /8s, 250 /16s and 9 /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 4680 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4426 478 470 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 2986 1154 90 VIETEL-AS-AP Viettel Group, VN
4766 2825 11135 768 KIXS-AS-KR Korea Telecom, KR
9829 2813 1495 541 BSNL-NIB National Internet Backbone, IN
45899 2712 1646 158 VNPT-AS-VN VNPT Corp, VN
9394 2549 4907 32 CTTNET China TieTong Telecommunications
17974 2262 962 71 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9808 2255 8699 26 CMNET-GD Guangdong Mobile Communication
4755 2121 417 204 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 83 SHAW - Shaw Communications Inc., CA
11492 3354 249 439 CABLEONE - CABLE ONE, INC., US
22773 3226 2970 149 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 2279 4809 778 AMAZON-02 - Amazon.com, Inc., US
18566 2166 405 109 MEGAPATH5-US - MegaPath Corporation, US
20115 2146 2677 506 CHARTER-NET-HKY-NC - Charter Communicat
209 2042 5085 605 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
30036 2032 345 142 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
16625 2004 1051 1469 AKAMAI-AS - Akamai Technologies, Inc.,
7018 1771 20199 1282 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 4733 1613 125 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 3081 378 44 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2560 620 1900 AKAMAI-ASN1, US
12389 2043 1893 733 ROSTELECOM-AS, RU
34984 2008 335 510 TELLCOM-AS, TR
9121 1819 1692 19 TTNET, TR
13188 1604 100 43 TRIOLAN, UA
6849 1241 355 21 UKRTELNET, UA
8402 1210 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 5208 3349 607 Uninet S.A. de C.V., MX
10620 3490 532 455 Telmex Colombia S.A., CO
11830 2652 369 78 Instituto Costarricense de Electricidad
6503 1675 444 65 Axtel, S.A.B. de C.V., MX
7303 1430 953 206 Telecom Argentina S.A., AR
28573 1094 2231 192 CLARO S.A., BR
3816 1022 510 116 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 928 126 84 Alestra, S. de R.L. de C.V., MX
18881 916 1082 27 TELEFÔNICA BRASIL S.A, BR
6147 884 377 31 Telefonica del Peru S.A.A., PE
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 1196 396 48 LINKdotNET-AS, EG
37611 896 107 9 Afrihost, ZA
36903 778 391 137 MT-MPLS, MA
36992 746 1411 41 ETISALAT-MISR, EG
24835 641 818 18 RAYA-AS, EG
8452 578 1728 14 TE-AS TE-AS, EG
37492 474 470 57 ORANGE-, TN
29571 461 70 11 ORANGE-COTE-IVOIRE, CI
37342 386 32 1 MOVITEL, MZ
23889 376 231 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 5208 3349 607 Uninet S.A. de C.V., MX
12479 4733 1613 125 UNI2-AS, ES
4538 4680 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4426 478 470 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 203 20 ALJAWWALSTC-AS, SA
10620 3490 532 455 Telmex Colombia S.A., CO
6327 3455 1324 83 SHAW - Shaw Communications Inc., CA
11492 3354 249 439 CABLEONE - CABLE ONE, INC., US
22773 3226 2970 149 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
8551 3081 378 44 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 4733 4608 UNI2-AS, ES
4538 4680 4606 ERX-CERNET-BKB China Education and Research Net
7545 4426 3956 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3455 3372 SHAW - Shaw Communications Inc., CA
22773 3226 3077 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 3081 3037 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
10620 3490 3035 Telmex Colombia S.A., CO
11492 3354 2915 CABLEONE - CABLE ONE, INC., US
7552 2986 2896 VIETEL-AS-AP Viettel Group, 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
4200003000 PRIVATE 47.89.98.0/24 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
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
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
45.121.32.0/22 134356 UNKNOWN
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 /12:292
/13:567 /14:1094 /15:1893 /16:13357 /17:7938 /18:13818
/19:25388 /20:39498 /21:45678 /22:88576 /23:72247 /24:401135
/25:814 /26:617 /27:634 /28:35 /29:20 /30:19
/31:4 /32:53
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 3485 4733 UNI2-AS, ES
6327 3244 3455 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
11492 2691 3354 CABLEONE - CABLE ONE, INC., US
8551 2543 3081 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2493 3226 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2060 2166 MEGAPATH5-US - MegaPath Corporation, US
11830 2001 2652 Instituto Costarricense de Electricidad y Telec
30036 1783 2032 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1581 3490 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)
----------------------------------------------
1:1617 2:830 4:18 5:2832 6:43 7:1
8:1127 12:1873 13:210 14:1798 15:32 16:3
17:192 18:54 20:51 23:2455 24:2387 25:2
27:2493 31:1974 32:88 35:29 36:526 37:2904
38:1494 39:258 40:117 41:3201 42:705 43:1954
44:121 45:5447 46:3131 47:207 49:1341 50:1051
51:318 52:1088 54:368 55:1 56:11 57:38
58:1629 59:994 60:408 61:2116 62:1893 63:1790
64:5068 65:2205 66:4710 67:2669 68:1150 69:3341
70:1156 71:581 72:2215 74:2734 75:419 76:464
77:1642 78:1688 79:2255 80:1582 81:1399 82:1063
83:779 84:1034 85:2001 86:567 87:1349 88:908
89:2341 90:211 91:6424 92:1263 93:2380 94:2427
95:2961 96:935 97:355 98:925 99:135 100:86
101:989 102:192 103:18531 104:3527 105:216 106:771
107:1773 108:709 109:3316 110:1647 111:1794 112:1343
113:1304 114:1128 115:1616 116:1660 117:1776 118:2219
119:1656 120:1029 121:1041 122:2424 123:1729 124:1446
125:1923 128:1120 129:682 130:493 131:1653 132:730
133:191 134:1026 135:235 136:507 137:651 138:1926
139:680 140:479 141:741 142:847 143:1009 144:810
145:479 146:1241 147:738 148:1649 149:768 150:761
151:1101 152:828 153:323 154:1660 155:799 156:1441
157:801 158:660 159:1850 160:1324 161:825 162:2645
163:605 164:1083 165:1551 166:446 167:1208 168:3212
169:834 170:3875 171:491 172:1011 173:2096 174:983
175:795 176:2033 177:4024 178:2490 179:1283 180:2182
181:2419 182:2568 183:1248 184:1056 185:13986 186:3535
187:2470 188:2890 189:2041 190:8215 191:1358 192:9810
193:6119 194:5018 195:3988 196:2738 197:1613 198:5584
199:5931 200:7285 201:5005 202:10265 203:10285 204:4573
205:2892 206:3205 207:3210 208:3927 209:4074 210:3889
211:1997 212:3041 213:2817 214:1038 215:55 216:5999
217:2130 218:861 219:566 220:1811 221:997 222:974
223:1376
End of report
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