[cmNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Ven 2 Juin 18:02:45 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 03 Jun, 2017
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 650075
Prefixes after maximum aggregation (per Origin AS): 253371
Deaggregation factor: 2.57
Unique aggregates announced (without unneeded subnets): 313766
Total ASes present in the Internet Routing Table: 57397
Prefixes per ASN: 11.33
Origin-only ASes present in the Internet Routing Table: 49676
Origin ASes announcing only one prefix: 21966
Transit ASes present in the Internet Routing Table: 7721
Transit-only ASes present in the Internet Routing Table: 223
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 45
Max AS path prepend of ASN ( 55644) 41
Prefixes from unregistered ASNs in the Routing Table: 75
Numnber of instances of unregistered ASNs: 79
Number of 32-bit ASNs allocated by the RIRs: 18845
Number of 32-bit ASNs visible in the Routing Table: 14651
Prefixes from 32-bit ASNs in the Routing Table: 59470
Number of bogon 32-bit ASNs visible in the Routing Table: 62
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 371
Number of addresses announced to Internet: 2848498020
Equivalent to 169 /8s, 200 /16s and 161 /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: 216741
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 178319
Total APNIC prefixes after maximum aggregation: 51254
APNIC Deaggregation factor: 3.48
Prefixes being announced from the APNIC address blocks: 177534
Unique aggregates announced from the APNIC address blocks: 73377
APNIC Region origin ASes present in the Internet Routing Table: 8157
APNIC Prefixes per ASN: 21.76
APNIC Region origin ASes announcing only one prefix: 2280
APNIC Region transit ASes present in the Internet Routing Table: 1158
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 45
Number of APNIC region 32-bit ASNs visible in the Routing Table: 2982
Number of APNIC addresses announced to Internet: 763338596
Equivalent to 45 /8s, 127 /16s and 159 /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: 197726
Total ARIN prefixes after maximum aggregation: 94486
ARIN Deaggregation factor: 2.09
Prefixes being announced from the ARIN address blocks: 199729
Unique aggregates announced from the ARIN address blocks: 91822
ARIN Region origin ASes present in the Internet Routing Table: 17896
ARIN Prefixes per ASN: 11.16
ARIN Region origin ASes announcing only one prefix: 6624
ARIN Region transit ASes present in the Internet Routing Table: 1776
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: 1998
Number of ARIN addresses announced to Internet: 1110645408
Equivalent to 66 /8s, 51 /16s and 26 /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: 175068
Total RIPE prefixes after maximum aggregation: 85454
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 170673
Unique aggregates announced from the RIPE address blocks: 102684
RIPE Region origin ASes present in the Internet Routing Table: 24083
RIPE Prefixes per ASN: 7.09
RIPE Region origin ASes announcing only one prefix: 11105
RIPE Region transit ASes present in the Internet Routing Table: 3395
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: 5875
Number of RIPE addresses announced to Internet: 711601280
Equivalent to 42 /8s, 106 /16s and 44 /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: 81723
Total LACNIC prefixes after maximum aggregation: 18302
LACNIC Deaggregation factor: 4.47
Prefixes being announced from the LACNIC address blocks: 82998
Unique aggregates announced from the LACNIC address blocks: 38686
LACNIC Region origin ASes present in the Internet Routing Table: 5963
LACNIC Prefixes per ASN: 13.92
LACNIC Region origin ASes announcing only one prefix: 1636
LACNIC Region transit ASes present in the Internet Routing Table: 1096
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 32
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3481
Number of LACNIC addresses announced to Internet: 170738656
Equivalent to 10 /8s, 45 /16s and 67 /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: 17121
Total AfriNIC prefixes after maximum aggregation: 3825
AfriNIC Deaggregation factor: 4.48
Prefixes being announced from the AfriNIC address blocks: 18770
Unique aggregates announced from the AfriNIC address blocks: 6865
AfriNIC Region origin ASes present in the Internet Routing Table: 1047
AfriNIC Prefixes per ASN: 17.93
AfriNIC Region origin ASes announcing only one prefix: 320
AfriNIC Region transit ASes present in the Internet Routing Table: 205
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 315
Number of AfriNIC addresses announced to Internet: 91747328
Equivalent to 5 /8s, 119 /16s and 244 /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 5566 4190 74 ERX-CERNET-BKB China Education and Rese
7545 3935 402 370 TPG-INTERNET-AP TPG Telecom Limited, AU
17974 2999 903 72 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4766 2781 11137 759 KIXS-AS-KR Korea Telecom, KR
9829 2733 1499 540 BSNL-NIB National Internet Backbone, IN
9808 2215 8699 34 CMNET-GD Guangdong Mobile Communication
4755 2089 422 222 TATACOMM-AS TATA Communications formerl
45899 1987 1392 108 VNPT-AS-VN VNPT Corp, VN
7552 1616 1100 66 VIETEL-AS-AP Viettel Corporation, VN
9498 1579 361 138 BBIL-AP BHARTI Airtel Ltd., 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 3726 2968 153 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6327 3410 1333 80 SHAW - Shaw Communications Inc., CA
18566 2181 405 109 MEGAPATH5-US - MegaPath Corporation, US
6389 2066 3671 39 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
20115 2006 2166 417 CHARTER-NET-HKY-NC - Charter Communicat
209 1815 5069 638 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
16509 1805 3440 585 AMAZON-02 - Amazon.com, Inc., US
30036 1778 324 316 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
6983 1696 854 232 ITCDELTA - Earthlink, Inc., US
701 1559 10578 636 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
39891 3338 187 22 ALJAWWALSTC-AS, SA
8551 3187 377 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2866 985 2058 AKAMAI-ASN1, US
34984 2014 328 387 TELLCOM-AS, TR
9121 1981 1691 17 TTNET, TR
12479 1612 1044 52 UNI2-AS, ES
13188 1595 99 62 TRIOLAN, UA
12389 1507 1398 620 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 3538 544 173 Telmex Colombia S.A., CO
8151 2516 3400 573 Uninet S.A. de C.V., MX
11830 2084 369 57 Instituto Costarricense de Electricidad
7303 1566 1009 249 Telecom Argentina S.A., AR
6503 1540 437 53 Axtel, S.A.B. de C.V., MX
6147 1293 377 27 Telefonica del Peru S.A.A., PE
3816 1012 494 186 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
28573 1010 2300 176 CLARO S.A., BR
11172 906 126 81 Alestra, S. de R.L. de C.V., MX
18881 895 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 1260 398 48 LINKdotNET-AS, EG
36903 713 358 123 MT-MPLS, MA
37611 713 67 7 Afrihost, ZA
36992 627 1375 26 ETISALAT-MISR, EG
24835 495 850 15 RAYA-AS, EG
29571 419 36 10 CITelecom-AS, CI
37492 407 320 75 ORANGE-, TN
8452 402 1730 17 TE-AS TE-AS, EG
15399 353 35 7 WANANCHI-, KE
2018 297 327 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 5566 4190 74 ERX-CERNET-BKB China Education and Rese
7545 3935 402 370 TPG-INTERNET-AP TPG Telecom Limited, AU
22773 3726 2968 153 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3538 544 173 Telmex Colombia S.A., CO
6327 3410 1333 80 SHAW - Shaw Communications Inc., CA
39891 3338 187 22 ALJAWWALSTC-AS, SA
8551 3187 377 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
17974 2999 903 72 TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940 2866 985 2058 AKAMAI-ASN1, US
4766 2781 11137 759 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 3726 3573 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7545 3935 3565 TPG-INTERNET-AP TPG Telecom Limited, AU
10620 3538 3365 Telmex Colombia S.A., CO
6327 3410 3330 SHAW - Shaw Communications Inc., CA
39891 3338 3316 ALJAWWALSTC-AS, SA
8551 3187 3147 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
17974 2999 2927 TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
9829 2733 2193 BSNL-NIB National Internet Backbone, IN
9808 2215 2181 CMNET-GD Guangdong Mobile Communication Co.Ltd.
18566 2181 2072 MEGAPATH5-US - MegaPath Corporation, US
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
66255 UNALLOCATED 45.6.244.0/22 16735 ALGAR TELECOM S/A, BR
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
14.192.48.0/24 134833 LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.49.0/24 134833 LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.50.0/24 134833 LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.51.0/24 134833 LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
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 62878 XLITT - Xlitt, US
41.77.248.0/21 62878 XLITT - Xlitt, US
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
/13:546 /14:1047 /15:1849 /16:13483 /17:7616 /18:13409
/19:24727 /20:38578 /21:41118 /22:76987 /23:63986 /24:364065
/25:832 /26:613 /27:639 /28:43 /29:32 /30:26
/31:3 /32:28
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3204 3410 SHAW - Shaw Communications Inc., CA
39891 2898 3338 ALJAWWALSTC-AS, SA
22773 2878 3726 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2652 3187 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
18566 2074 2181 MEGAPATH5-US - MegaPath Corporation, US
30036 1574 1778 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
11830 1474 2084 Instituto Costarricense de Electricidad y Telec
10620 1468 3538 Telmex Colombia S.A., CO
6389 1373 2066 BELLSOUTH-NET-BLK - BellSouth.net Inc., US
9121 1373 1981 TTNET, TR
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1603 2:842 4:27 5:2426 6:34 8:1095
12:1826 13:122 14:1772 15:27 16:2 17:123
18:121 20:57 23:2295 24:1823 25:2 27:2445
31:1903 32:83 33:9 35:20 36:407 37:2594
38:1331 39:43 40:97 41:3007 42:468 43:1923
44:72 45:2696 46:2769 47:121 49:1207 50:985
51:19 52:819 54:361 55:3 56:4 57:42
58:1599 59:1043 60:390 61:1944 62:1552 63:1908
64:4578 65:2208 66:4529 67:2252 68:1217 69:3368
70:1147 71:582 72:2167 74:2683 75:387 76:430
77:1472 78:1441 79:2441 80:1390 81:1386 82:976
83:723 84:871 85:1754 86:481 87:1155 88:766
89:2063 90:176 91:6198 92:1022 93:2391 94:2371
95:2756 96:622 97:352 98:1031 99:90 100:155
101:1307 103:14912 104:2907 105:188 106:486 107:1646
108:816 109:3003 110:1411 111:1744 112:1185 113:1232
114:1036 115:1730 116:1787 117:1715 118:2156 119:1574
120:1029 121:1110 122:2278 123:1811 124:1523 125:1891
128:746 129:645 130:440 131:1386 132:518 133:191
134:643 135:226 136:455 137:439 138:1968 139:483
140:377 141:571 142:748 143:927 144:787 145:182
146:1031 147:676 148:1430 149:579 150:710 151:971
152:797 153:288 154:832 155:743 156:592 157:640
158:449 159:1460 160:663 161:746 162:2515 163:530
164:794 165:1211 166:385 167:1245 168:2653 169:779
170:3322 171:318 172:1018 173:1915 174:804 175:749
176:1845 177:4088 178:2498 179:1151 180:2204 181:1895
182:2362 183:996 184:860 185:9786 186:3117 187:2184
188:2705 189:1807 190:8202 191:1333 192:9422 193:5788
194:4655 195:3880 196:2125 197:1222 198:5510 199:5897
200:7458 201:4325 202:10406 203:9979 204:4481 205:2813
206:3016 207:3166 208:3977 209:4022 210:3963 211:2147
212:2842 213:2481 214:881 215:67 216:5736 217:2077
218:848 219:600 220:1653 221:912 222:757 223:1180
End of report
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