[cmNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Ven 25 Mai 18:02:57 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 26 May, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 701902
Prefixes after maximum aggregation (per Origin AS): 269651
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 337566
Total ASes present in the Internet Routing Table: 60835
Prefixes per ASN: 11.54
Origin-only ASes present in the Internet Routing Table: 52547
Origin ASes announcing only one prefix: 22946
Transit ASes present in the Internet Routing Table: 8288
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: 30
Max AS path prepend of ASN ( 30873) 28
Prefixes from unregistered ASNs in the Routing Table: 48
Number of instances of unregistered ASNs: 48
Number of 32-bit ASNs allocated by the RIRs: 22716
Number of 32-bit ASNs visible in the Routing Table: 18310
Prefixes from 32-bit ASNs in the Routing Table: 76393
Number of bogon 32-bit ASNs visible in the Routing Table: 15
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 276
Number of addresses announced to Internet: 2860355907
Equivalent to 170 /8s, 125 /16s and 145 /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: 98.9
Total number of prefixes smaller than registry allocations: 234647
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 191524
Total APNIC prefixes after maximum aggregation: 54361
APNIC Deaggregation factor: 3.52
Prefixes being announced from the APNIC address blocks: 190353
Unique aggregates announced from the APNIC address blocks: 77978
APNIC Region origin ASes present in the Internet Routing Table: 8831
APNIC Prefixes per ASN: 21.56
APNIC Region origin ASes announcing only one prefix: 2475
APNIC Region transit ASes present in the Internet Routing Table: 1317
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 22
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3802
Number of APNIC addresses announced to Internet: 766494466
Equivalent to 45 /8s, 175 /16s and 199 /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: 208837
Total ARIN prefixes after maximum aggregation: 99153
ARIN Deaggregation factor: 2.11
Prefixes being announced from the ARIN address blocks: 209554
Unique aggregates announced from the ARIN address blocks: 99034
ARIN Region origin ASes present in the Internet Routing Table: 18185
ARIN Prefixes per ASN: 11.52
ARIN Region origin ASes announcing only one prefix: 6713
ARIN Region transit ASes present in the Internet Routing Table: 1798
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2353
Number of ARIN addresses announced to Internet: 1106418720
Equivalent to 65 /8s, 242 /16s and 156 /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: 191947
Total RIPE prefixes after maximum aggregation: 92215
RIPE Deaggregation factor: 2.08
Prefixes being announced from the RIPE address blocks: 187983
Unique aggregates announced from the RIPE address blocks: 111588
RIPE Region origin ASes present in the Internet Routing Table: 25207
RIPE Prefixes per ASN: 7.46
RIPE Region origin ASes announcing only one prefix: 11384
RIPE Region transit ASes present in the Internet Routing Table: 3515
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 7023
Number of RIPE addresses announced to Internet: 715946112
Equivalent to 42 /8s, 172 /16s and 120 /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: 90883
Total LACNIC prefixes after maximum aggregation: 19907
LACNIC Deaggregation factor: 4.57
Prefixes being announced from the LACNIC address blocks: 92294
Unique aggregates announced from the LACNIC address blocks: 41069
LACNIC Region origin ASes present in the Internet Routing Table: 7170
LACNIC Prefixes per ASN: 12.87
LACNIC Region origin ASes announcing only one prefix: 1993
LACNIC Region transit ASes present in the Internet Routing Table: 1324
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: 4711
Number of LACNIC addresses announced to Internet: 172631712
Equivalent to 10 /8s, 74 /16s and 38 /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: 18661
Total AfriNIC prefixes after maximum aggregation: 3971
AfriNIC Deaggregation factor: 4.70
Prefixes being announced from the AfriNIC address blocks: 21442
Unique aggregates announced from the AfriNIC address blocks: 7656
AfriNIC Region origin ASes present in the Internet Routing Table: 1143
AfriNIC Prefixes per ASN: 18.76
AfriNIC Region origin ASes announcing only one prefix: 380
AfriNIC Region transit ASes present in the Internet Routing Table: 233
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 421
Number of AfriNIC addresses announced to Internet: 98415872
Equivalent to 5 /8s, 221 /16s and 181 /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 5404 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4406 419 433 TPG-INTERNET-AP TPG Telecom Limited, AU
4766 2908 11137 790 KIXS-AS-KR Korea Telecom, KR
7552 2871 1154 73 VIETEL-AS-AP Viettel Group, VN
9829 2812 1498 543 BSNL-NIB National Internet Backbone, IN
9394 2544 4923 26 CTTNET China TieTong Telecommunications
45899 2491 1574 160 VNPT-AS-VN VNPT Corp, VN
17974 2219 928 79 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9808 2203 8699 26 CMNET-GD Guangdong Mobile Communication
4755 2104 417 206 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 3431 1324 85 SHAW - Shaw Communications Inc., CA
22773 3299 2968 147 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
11492 2183 245 410 CABLEONE - CABLE ONE, INC., US
18566 2172 405 109 MEGAPATH5-US - MegaPath Corporation, US
16509 2124 4705 668 AMAZON-02 - Amazon.com, Inc., US
20115 2106 2530 456 CHARTER-NET-HKY-NC - Charter Communicat
30036 1989 342 157 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
209 1986 5070 607 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
16625 1838 908 1313 AKAMAI-AS - Akamai Technologies, Inc.,
7018 1723 20216 1264 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 4206 1518 532 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 2869 377 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2626 687 1925 AKAMAI-ASN1, US
12389 2068 1877 707 ROSTELECOM-AS, RU
34984 2010 334 491 TELLCOM-AS, TR
9121 1889 1692 19 TTNET, TR
13188 1609 100 43 TRIOLAN, UA
6849 1241 355 21 UKRTELNET, UA
8402 1240 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 4895 3350 592 Uninet S.A. de C.V., MX
10620 3602 542 236 Telmex Colombia S.A., CO
11830 2649 369 77 Instituto Costarricense de Electricidad
6503 1616 438 58 Axtel, S.A.B. de C.V., MX
7303 1517 1026 191 Telecom Argentina S.A., AR
28573 1031 2253 173 CLARO S.A., BR
3816 1009 505 124 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 989 377 31 Telefonica del Peru S.A.A., PE
11172 926 126 85 Alestra, S. de R.L. de C.V., MX
18881 911 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 1069 396 45 LINKdotNET-AS, EG
37611 854 107 9 Afrihost, ZA
36903 739 371 140 MT-MPLS, MA
36992 705 1412 43 ETISALAT-MISR, EG
8452 688 1730 17 TE-AS TE-AS, EG
24835 566 786 17 RAYA-AS, EG
37492 465 470 57 ORANGE-, TN
29571 441 68 10 ORANGE-COTE-IVOIRE, CI
37342 378 32 1 MOVITEL, MZ
15399 367 35 7 WANANCHI-, KE
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
4538 5404 4192 74 ERX-CERNET-BKB China Education and Rese
8151 4895 3350 592 Uninet S.A. de C.V., MX
7545 4406 419 433 TPG-INTERNET-AP TPG Telecom Limited, AU
12479 4206 1518 532 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
10620 3602 542 236 Telmex Colombia S.A., CO
6327 3431 1324 85 SHAW - Shaw Communications Inc., CA
22773 3299 2968 147 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
4766 2908 11137 790 KIXS-AS-KR Korea Telecom, KR
7552 2871 1154 73 VIETEL-AS-AP Viettel Group, VN
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
8151 4895 4303 Uninet S.A. de C.V., MX
7545 4406 3973 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
12479 4206 3674 UNI2-AS, ES
10620 3602 3366 Telmex Colombia S.A., CO
6327 3431 3346 SHAW - Shaw Communications Inc., CA
22773 3299 3152 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2869 2826 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7552 2871 2798 VIETEL-AS-AP Viettel Group, VN
11830 2649 2572 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
65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom
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
419333 UNALLOCATED 84.17.91.0/24 41933 IPRAGAZ-AS Istanbul/ TURKEY, T
64111 UNALLOCATED 98.159.5.0/24 19555 KMI-NETWORK - Kinder Morgan, I
64111 UNALLOCATED 98.159.7.0/24 19555 KMI-NETWORK - Kinder Morgan, I
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
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
41.76.140.0/24 37500 -Reserved AS-, ZZ
41.76.141.0/24 37500 -Reserved AS-, ZZ
41.76.142.0/24 37500 -Reserved AS-, ZZ
41.76.143.0/24 37500 -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 /10:37 /11:100 /12:290
/13:566 /14:1093 /15:1904 /16:13375 /17:7900 /18:13645
/19:25191 /20:39380 /21:45456 /22:87378 /23:70654 /24:392642
/25:847 /26:644 /27:644 /28:36 /29:20 /30:18
/31:4 /32:53
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3218 3431 SHAW - Shaw Communications Inc., CA
12479 2990 4206 UNI2-AS, ES
39891 2946 3778 ALJAWWALSTC-AS, SA
22773 2554 3299 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2331 2869 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
18566 2065 2172 MEGAPATH5-US - MegaPath Corporation, US
11830 1997 2649 Instituto Costarricense de Electricidad y Telec
11492 1926 2183 CABLEONE - CABLE ONE, INC., US
30036 1740 1989 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1613 3602 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)
----------------------------------------------
1:1588 2:849 4:19 5:2810 6:65 7:1
8:1126 12:1861 13:189 14:1743 15:28 16:3
17:206 18:66 20:49 21:6 23:2658 24:2227
25:2 27:2349 31:1982 32:90 35:27 36:509
37:2752 38:1466 39:262 40:121 41:3187 42:588
43:1923 44:119 45:4613 46:3049 47:199 49:1322
50:1055 51:314 52:1041 54:369 55:3 56:12
57:41 58:1603 59:994 60:432 61:2162 62:1831
63:1800 64:5036 65:2220 66:4707 67:2439 68:1162
69:3199 70:1143 71:566 72:2112 74:2734 75:414
76:453 77:1542 78:1704 79:1837 80:1505 81:1394
82:1073 83:783 84:1043 85:2048 86:578 87:1333
88:930 89:2356 90:212 91:6367 92:1200 93:2365
94:2393 95:2818 96:721 97:357 98:947 99:133
100:81 101:1282 102:60 103:17764 104:3632 105:246
106:618 107:1891 108:699 109:3481 110:1628 111:1778
112:1266 113:1258 114:1120 115:1643 116:1649 117:1730
118:2156 119:1647 120:980 121:1051 122:2440 123:1801
124:1433 125:1902 128:1021 129:649 130:453 131:1587
132:660 133:195 134:1025 135:224 136:474 137:547
138:1969 139:597 140:407 141:706 142:818 143:993
144:802 145:465 146:1190 147:717 148:1635 149:733
150:728 151:1059 152:781 153:312 154:1100 155:760
156:963 157:790 158:650 159:1741 160:945 161:764
162:2586 163:564 164:1052 165:1603 166:455 167:1406
168:3078 169:805 170:3711 171:436 172:1065 173:1985
174:906 175:774 176:1891 177:4043 178:2454 179:1209
180:2213 181:2232 182:2361 183:1166 184:1029 185:13559
186:3559 187:2376 188:2832 189:2047 190:8120 191:1437
192:9842 193:5958 194:4789 195:3974 196:2555 197:1493
198:5522 199:5920 200:7377 201:5017 202:10456 203:10217
204:4571 205:2902 206:3106 207:3197 208:4006 209:3952
210:4042 211:2112 212:3043 213:2735 214:970 215:61
216:5960 217:2127 218:908 219:613 220:1760 221:986
222:1027 223:1259
End of report
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