[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri May 19 18:02:43 UTC 2017
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, AusNOG, SANOG, PacNOG,
MENOG, SAFNOG, SdNOG, BJNOG, CaribNOG 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 May, 2017
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 649251
Prefixes after maximum aggregation (per Origin AS): 252620
Deaggregation factor: 2.57
Unique aggregates announced (without unneeded subnets): 313178
Total ASes present in the Internet Routing Table: 57256
Prefixes per ASN: 11.34
Origin-only ASes present in the Internet Routing Table: 49539
Origin ASes announcing only one prefix: 21952
Transit ASes present in the Internet Routing Table: 7717
Transit-only ASes present in the Internet Routing Table: 217
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 35
Max AS path prepend of ASN ( 55644) 31
Prefixes from unregistered ASNs in the Routing Table: 77
Numnber of instances of unregistered ASNs: 81
Number of 32-bit ASNs allocated by the RIRs: 18671
Number of 32-bit ASNs visible in the Routing Table: 14487
Prefixes from 32-bit ASNs in the Routing Table: 58732
Number of bogon 32-bit ASNs visible in the Routing Table: 57
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 371
Number of addresses announced to Internet: 2846412964
Equivalent to 169 /8s, 168 /16s and 208 /24s
Percentage of available address space announced: 76.9
Percentage of allocated address space announced: 76.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 98.6
Total number of prefixes smaller than registry allocations: 217271
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 177851
Total APNIC prefixes after maximum aggregation: 51195
APNIC Deaggregation factor: 3.47
Prefixes being announced from the APNIC address blocks: 177020
Unique aggregates announced from the APNIC address blocks: 73447
APNIC Region origin ASes present in the Internet Routing Table: 8116
APNIC Prefixes per ASN: 21.81
APNIC Region origin ASes announcing only one prefix: 2265
APNIC Region transit ASes present in the Internet Routing Table: 1146
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 2935
Number of APNIC addresses announced to Internet: 763518564
Equivalent to 45 /8s, 130 /16s and 94 /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: 197546
Total ARIN prefixes after maximum aggregation: 94188
ARIN Deaggregation factor: 2.10
Prefixes being announced from the ARIN address blocks: 199697
Unique aggregates announced from the ARIN address blocks: 91577
ARIN Region origin ASes present in the Internet Routing Table: 17909
ARIN Prefixes per ASN: 11.15
ARIN Region origin ASes announcing only one prefix: 6629
ARIN Region transit ASes present in the Internet Routing Table: 1783
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 1978
Number of ARIN addresses announced to Internet: 1110224096
Equivalent to 66 /8s, 44 /16s and 172 /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: 175369
Total RIPE prefixes after maximum aggregation: 85260
RIPE Deaggregation factor: 2.06
Prefixes being announced from the RIPE address blocks: 170937
Unique aggregates announced from the RIPE address blocks: 102368
RIPE Region origin ASes present in the Internet Routing Table: 24028
RIPE Prefixes per ASN: 7.11
RIPE Region origin ASes announcing only one prefix: 11095
RIPE Region transit ASes present in the Internet Routing Table: 3398
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 5832
Number of RIPE addresses announced to Internet: 711689088
Equivalent to 42 /8s, 107 /16s and 131 /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: 81243
Total LACNIC prefixes after maximum aggregation: 18141
LACNIC Deaggregation factor: 4.48
Prefixes being announced from the LACNIC address blocks: 82478
Unique aggregates announced from the LACNIC address blocks: 38585
LACNIC Region origin ASes present in the Internet Routing Table: 5913
LACNIC Prefixes per ASN: 13.95
LACNIC Region origin ASes announcing only one prefix: 1640
LACNIC Region transit ASes present in the Internet Routing Table: 1097
Average LACNIC Region AS path length visible: 5.4
Max LACNIC Region AS path length visible: 31
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3427
Number of LACNIC addresses announced to Internet: 170601696
Equivalent to 10 /8s, 43 /16s and 44 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-266652 + 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: 17123
Total AfriNIC prefixes after maximum aggregation: 3785
AfriNIC Deaggregation factor: 4.52
Prefixes being announced from the AfriNIC address blocks: 18748
Unique aggregates announced from the AfriNIC address blocks: 6877
AfriNIC Region origin ASes present in the Internet Routing Table: 1046
AfriNIC Prefixes per ASN: 17.92
AfriNIC Region origin ASes announcing only one prefix: 322
AfriNIC Region transit ASes present in the Internet Routing Table: 206
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 315
Number of AfriNIC addresses announced to Internet: 89956864
Equivalent to 5 /8s, 92 /16s and 162 /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 5570 4190 74 ERX-CERNET-BKB China Education and Rese
7545 3896 400 342 TPG-INTERNET-AP TPG Telecom Limited, AU
17974 2987 903 73 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4766 2770 11150 760 KIXS-AS-KR Korea Telecom, KR
9829 2693 1492 541 BSNL-NIB National Internet Backbone, IN
9808 2212 8698 33 CMNET-GD Guangdong Mobile Communication
4755 2084 422 222 TATACOMM-AS TATA Communications formerl
45899 1988 1392 108 VNPT-AS-VN VNPT Corp, VN
7552 1608 1101 62 VIETEL-AS-AP Viettel Corporation, VN
9583 1575 121 542 SIFY-AS-IN Sify Limited, IN
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
22773 4104 2970 155 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6327 3378 1333 80 SHAW - Shaw Communications Inc., CA
18566 2180 405 109 MEGAPATH5-US - MegaPath Corporation, US
6389 2068 3671 39 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
20115 2004 2158 410 CHARTER-NET-HKY-NC - Charter Communicat
209 1817 5068 637 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
16509 1792 3439 578 AMAZON-02 - Amazon.com, Inc., US
30036 1763 323 326 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
6983 1692 854 230 ITCDELTA - Earthlink, Inc., US
701 1560 10578 638 UUNET - MCI Communications Services, In
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
8551 3613 377 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
39891 3338 187 22 ALJAWWALSTC-AS, SA
20940 2898 1012 2075 AKAMAI-ASN1, US
9121 2364 1691 17 TTNET, TR
34984 2014 328 387 TELLCOM-AS, TR
13188 1596 99 56 TRIOLAN, UA
12479 1585 1044 52 UNI2-AS, ES
12389 1491 1370 612 ROSTELECOM-AS, RU
9198 1324 352 25 KAZTELECOM-AS, KZ
6849 1225 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
10620 3545 546 147 Telmex Colombia S.A., CO
8151 2520 3400 566 Uninet S.A. de C.V., MX
11830 2086 369 58 Instituto Costarricense de Electricidad
7303 1570 1009 246 Telecom Argentina S.A., AR
6503 1540 437 53 Axtel, S.A.B. de C.V., MX
6147 1175 377 27 Telefonica del Peru S.A.A., PE
3816 1014 496 183 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
28573 1013 2285 175 CLARO S.A., BR
11172 921 126 80 Alestra, S. de R.L. de C.V., MX
18881 892 1052 23 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 1212 398 48 LINKdotNET-AS, EG
36903 712 358 127 MT-MPLS, MA
37611 711 67 7 Afrihost, ZA
36992 628 1375 26 ETISALAT-MISR, EG
24835 495 722 14 RAYA-AS, EG
29571 419 36 10 CITelecom-AS, CI
37492 406 319 74 ORANGE-, TN
8452 405 1730 17 TE-AS TE-AS, EG
15399 352 35 7 WANANCHI-, KE
2018 292 327 74 TENET-1, ZA
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 5570 4190 74 ERX-CERNET-BKB China Education and Rese
22773 4104 2970 155 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
7545 3896 400 342 TPG-INTERNET-AP TPG Telecom Limited, AU
8551 3613 377 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
10620 3545 546 147 Telmex Colombia S.A., CO
6327 3378 1333 80 SHAW - Shaw Communications Inc., CA
39891 3338 187 22 ALJAWWALSTC-AS, SA
17974 2987 903 73 TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940 2898 1012 2075 AKAMAI-ASN1, US
4766 2770 11150 760 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
22773 4104 3949 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 3613 3573 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7545 3896 3554 TPG-INTERNET-AP TPG Telecom Limited, AU
10620 3545 3398 Telmex Colombia S.A., CO
39891 3338 3316 ALJAWWALSTC-AS, SA
6327 3378 3298 SHAW - Shaw Communications Inc., CA
17974 2987 2914 TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
9121 2364 2347 TTNET, TR
9808 2212 2179 CMNET-GD Guangdong Mobile Communication Co.Ltd.
9829 2693 2152 BSNL-NIB National Internet Backbone, IN
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65001 PRIVATE 5.143.176.0/20 15468 KLGELECS-AS 38, Teatralnaya st
65602 UNALLOCATED 8.225.192.0/24 30372 SUNESYS2 - Sunesys, LLC, US
65001 PRIVATE 31.172.192.0/20 15468 KLGELECS-AS 38, Teatralnaya st
65001 PRIVATE 31.172.192.0/21 15468 KLGELECS-AS 38, Teatralnaya st
65001 PRIVATE 31.172.200.0/21 15468 KLGELECS-AS 38, Teatralnaya st
65001 PRIVATE 31.172.208.0/21 15468 KLGELECS-AS 38, Teatralnaya st
65001 PRIVATE 31.172.216.0/21 15468 KLGELECS-AS 38, Teatralnaya st
65000 PRIVATE 31.219.177.0/25 8966 ETISALAT-AS P.O. Box 1150, Dub
65000 PRIVATE 31.219.177.128/25 8966 ETISALAT-AS P.O. Box 1150, Dub
266562 UNALLOCATED 45.65.164.0/22 25933 Sul Americana Tecnologia e Inf
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.128.15.0/24 55427 BROADLINK-AS-AP Broadlink Nepal, NP
27.100.7.0/24 56096 UNKNOWN
36.255.248.0/24 64091 UNKNOWN
36.255.250.0/24 64091 UNKNOWN
41.76.232.0/21 203496 AB-TELECOM, RU
41.77.248.0/21 203496 AB-TELECOM, RU
41.78.12.0/23 203496 AB-TELECOM, RU
41.78.180.0/23 37265 -Reserved AS-, ZZ
41.242.132.0/23 203496 AB-TELECOM, RU
43.224.140.0/24 38197 SUNHK-DATA-AS-AP Sun Network (Hong Kong) Limited -
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 /8:15 /9:13 /10:36 /11:104 /12:280
/13:545 /14:1045 /15:1849 /16:13482 /17:7619 /18:13396
/19:24732 /20:38493 /21:41159 /22:76717 /23:63881 /24:363683
/25:837 /26:614 /27:632 /28:41 /29:25 /30:24
/31:1 /32:28
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 3256 4104 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
6327 3172 3378 SHAW - Shaw Communications Inc., CA
8551 3078 3613 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
39891 2898 3338 ALJAWWALSTC-AS, SA
18566 2073 2180 MEGAPATH5-US - MegaPath Corporation, US
9121 1682 2364 TTNET, TR
30036 1562 1763 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
11830 1474 2086 Instituto Costarricense de Electricidad y Telec
10620 1467 3545 Telmex Colombia S.A., CO
6389 1375 2068 BELLSOUTH-NET-BLK - BellSouth.net Inc., US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1600 2:830 4:27 5:2439 6:34 8:1089
12:1827 13:118 14:1784 15:26 16:2 17:121
18:120 20:55 23:2279 24:1843 25:2 27:2422
31:1913 32:83 33:7 35:20 36:403 37:2582
38:1341 39:42 40:97 41:3058 42:470 43:1912
44:73 45:2606 46:2743 47:120 49:1196 50:984
51:19 52:811 54:363 55:5 56:4 57:42
58:1584 59:1039 60:387 61:1940 62:1542 63:1919
64:4574 65:2203 66:4557 67:2261 68:1228 69:3378
70:1318 71:583 72:2224 74:2672 75:383 76:432
77:1490 78:1605 79:2441 80:1387 81:1415 82:987
83:721 84:869 85:1779 86:481 87:1157 88:792
89:2069 90:169 91:6167 92:1012 93:2388 94:2319
95:2809 96:606 97:359 98:1032 99:90 100:158
101:1255 103:14778 104:2893 105:182 106:499 107:1640
108:819 109:3448 110:1322 111:1745 112:1176 113:1228
114:1033 115:1795 116:1781 117:1730 118:2160 119:1589
120:1018 121:1107 122:2286 123:1799 124:1535 125:1906
128:771 129:638 130:439 131:1379 132:525 133:191
134:636 135:222 136:455 137:437 138:1939 139:478
140:376 141:566 142:748 143:924 144:784 145:181
146:985 147:666 148:1429 149:573 150:714 151:968
152:796 153:298 154:818 155:737 156:588 157:631
158:449 159:1455 160:630 161:753 162:2505 163:529
164:784 165:1202 166:380 167:1257 168:2646 169:786
170:3253 171:326 172:1022 173:1858 174:841 175:747
176:1841 177:4077 178:2483 179:1179 180:2201 181:1862
182:2317 183:990 184:869 185:9638 186:3125 187:2191
188:2670 189:1810 190:8086 191:1330 192:9382 193:5787
194:4649 195:3866 196:2123 197:1239 198:5506 199:5884
200:7379 201:4304 202:10378 203:9938 204:4463 205:2796
206:3010 207:3137 208:4013 209:3976 210:3957 211:2138
212:2815 213:2511 214:888 215:66 216:5716 217:2078
218:839 219:604 220:1649 221:910 222:757 223:1179
End of report
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