[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri May 5 18:02:39 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 06 May, 2017
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 647110
Prefixes after maximum aggregation (per Origin AS): 252103
Deaggregation factor: 2.57
Unique aggregates announced (without unneeded subnets): 311926
Total ASes present in the Internet Routing Table: 57065
Prefixes per ASN: 11.34
Origin-only ASes present in the Internet Routing Table: 49371
Origin ASes announcing only one prefix: 21886
Transit ASes present in the Internet Routing Table: 7694
Transit-only ASes present in the Internet Routing Table: 219
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 40
Max AS path prepend of ASN ( 55644) 36
Prefixes from unregistered ASNs in the Routing Table: 71
Numnber of instances of unregistered ASNs: 75
Number of 32-bit ASNs allocated by the RIRs: 18434
Number of 32-bit ASNs visible in the Routing Table: 14310
Prefixes from 32-bit ASNs in the Routing Table: 57955
Number of bogon 32-bit ASNs visible in the Routing Table: 45
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 409
Number of addresses announced to Internet: 2843460964
Equivalent to 169 /8s, 123 /16s and 197 /24s
Percentage of available address space announced: 76.8
Percentage of allocated address space announced: 76.8
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: 216869
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 176804
Total APNIC prefixes after maximum aggregation: 50891
APNIC Deaggregation factor: 3.47
Prefixes being announced from the APNIC address blocks: 175990
Unique aggregates announced from the APNIC address blocks: 72729
APNIC Region origin ASes present in the Internet Routing Table: 8063
APNIC Prefixes per ASN: 21.83
APNIC Region origin ASes announcing only one prefix: 2243
APNIC Region transit ASes present in the Internet Routing Table: 1131
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 40
Number of APNIC region 32-bit ASNs visible in the Routing Table: 2888
Number of APNIC addresses announced to Internet: 763094372
Equivalent to 45 /8s, 123 /16s and 229 /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: 197305
Total ARIN prefixes after maximum aggregation: 94097
ARIN Deaggregation factor: 2.10
Prefixes being announced from the ARIN address blocks: 199402
Unique aggregates announced from the ARIN address blocks: 91373
ARIN Region origin ASes present in the Internet Routing Table: 17899
ARIN Prefixes per ASN: 11.14
ARIN Region origin ASes announcing only one prefix: 6640
ARIN Region transit ASes present in the Internet Routing Table: 1780
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: 1953
Number of ARIN addresses announced to Internet: 1108934048
Equivalent to 66 /8s, 24 /16s and 253 /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: 174832
Total RIPE prefixes after maximum aggregation: 85064
RIPE Deaggregation factor: 2.06
Prefixes being announced from the RIPE address blocks: 170401
Unique aggregates announced from the RIPE address blocks: 102059
RIPE Region origin ASes present in the Internet Routing Table: 23966
RIPE Prefixes per ASN: 7.11
RIPE Region origin ASes announcing only one prefix: 11062
RIPE Region transit ASes present in the Internet Routing Table: 3404
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 5787
Number of RIPE addresses announced to Internet: 711675008
Equivalent to 42 /8s, 107 /16s and 76 /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: 81148
Total LACNIC prefixes after maximum aggregation: 18204
LACNIC Deaggregation factor: 4.46
Prefixes being announced from the LACNIC address blocks: 82370
Unique aggregates announced from the LACNIC address blocks: 38448
LACNIC Region origin ASes present in the Internet Routing Table: 5852
LACNIC Prefixes per ASN: 14.08
LACNIC Region origin ASes announcing only one prefix: 1620
LACNIC Region transit ASes present in the Internet Routing Table: 1079
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: 3370
Number of LACNIC addresses announced to Internet: 169866464
Equivalent to 10 /8s, 31 /16s and 244 /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: 16916
Total AfriNIC prefixes after maximum aggregation: 3786
AfriNIC Deaggregation factor: 4.47
Prefixes being announced from the AfriNIC address blocks: 18538
Unique aggregates announced from the AfriNIC address blocks: 6966
AfriNIC Region origin ASes present in the Internet Routing Table: 1039
AfriNIC Prefixes per ASN: 17.84
AfriNIC Region origin ASes announcing only one prefix: 321
AfriNIC Region transit ASes present in the Internet Routing Table: 207
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: 312
Number of AfriNIC addresses announced to Internet: 89454848
Equivalent to 5 /8s, 84 /16s and 249 /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 5567 4190 74 ERX-CERNET-BKB China Education and Rese
7545 3785 393 271 TPG-INTERNET-AP TPG Telecom Limited, AU
17974 2932 901 79 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4766 2762 11150 758 KIXS-AS-KR Korea Telecom, KR
9829 2732 1499 539 BSNL-NIB National Internet Backbone, IN
9808 2212 8698 33 CMNET-GD Guangdong Mobile Communication
4755 2079 421 222 TATACOMM-AS TATA Communications formerl
45899 1983 1388 110 VNPT-AS-VN VNPT Corp, VN
7552 1588 1101 55 VIETEL-AS-AP Viettel Corporation, VN
9583 1573 121 541 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 4008 2969 153 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6327 3361 1333 80 SHAW - Shaw Communications Inc., CA
18566 2182 405 109 MEGAPATH5-US - MegaPath Corporation, US
6389 2069 3671 39 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
20115 2006 2153 405 CHARTER-NET-HKY-NC - Charter Communicat
209 1828 5067 633 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
16509 1786 3422 571 AMAZON-02 - Amazon.com, Inc., US
30036 1751 322 338 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
6983 1692 854 230 ITCDELTA - Earthlink, Inc., US
701 1567 10579 639 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 3224 377 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2880 1006 2063 AKAMAI-ASN1, US
9121 2659 1691 18 TTNET, TR
34984 2007 328 385 TELLCOM-AS, TR
13188 1596 99 56 TRIOLAN, UA
12479 1566 1044 52 UNI2-AS, ES
12389 1484 1357 610 ROSTELECOM-AS, RU
9198 1322 352 25 KAZTELECOM-AS, KZ
6849 1226 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 3536 544 172 Telmex Colombia S.A., CO
8151 2517 3396 562 Uninet S.A. de C.V., MX
11830 2081 369 57 Instituto Costarricense de Electricidad
7303 1557 1005 247 Telecom Argentina S.A., AR
6503 1540 437 53 Axtel, S.A.B. de C.V., MX
6147 1267 377 27 Telefonica del Peru S.A.A., PE
28573 1083 2286 179 CLARO S.A., BR
3816 1018 495 186 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
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 1209 398 48 LINKdotNET-AS, EG
36903 712 357 134 MT-MPLS, MA
37611 704 67 7 Afrihost, ZA
36992 625 1375 26 ETISALAT-MISR, EG
24835 496 722 14 RAYA-AS, EG
37492 408 319 74 ORANGE-, TN
8452 407 1730 17 TE-AS TE-AS, EG
29571 367 36 10 CITelecom-AS, CI
15399 348 35 7 WANANCHI-, KE
2018 287 327 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 5567 4190 74 ERX-CERNET-BKB China Education and Rese
22773 4008 2969 153 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
7545 3785 393 271 TPG-INTERNET-AP TPG Telecom Limited, AU
10620 3536 544 172 Telmex Colombia S.A., CO
6327 3361 1333 80 SHAW - Shaw Communications Inc., CA
39891 3338 187 22 ALJAWWALSTC-AS, SA
8551 3224 377 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
17974 2932 901 79 TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940 2880 1006 2063 AKAMAI-ASN1, US
4766 2762 11150 758 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 4008 3855 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7545 3785 3514 TPG-INTERNET-AP TPG Telecom Limited, AU
10620 3536 3364 Telmex Colombia S.A., CO
39891 3338 3316 ALJAWWALSTC-AS, SA
6327 3361 3281 SHAW - Shaw Communications Inc., CA
8551 3224 3183 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
17974 2932 2853 TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
9121 2659 2641 TTNET, TR
9829 2732 2193 BSNL-NIB National Internet Backbone, IN
9808 2212 2179 CMNET-GD Guangdong Mobile Communication Co.Ltd.
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
65001 PRIVATE 46.237.32.0/20 13118 ASN-YARTELECOM PJSC Rostelecom
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.167.128.0/24 395774 UNKNOWN
27.100.7.0/24 56096 UNKNOWN
36.255.248.0/24 64091 CORONET-BD Coronet Corporation Ltd., BD
36.255.250.0/24 64091 CORONET-BD Coronet Corporation Ltd., BD
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 /11:103 /12:280
/13:545 /14:1043 /15:1841 /16:13455 /17:7571 /18:13417
/19:24717 /20:38416 /21:41248 /22:76405 /23:63583 /24:362203
/25:846 /26:620 /27:627 /28:44 /29:29 /30:25
/31:1 /32:27
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 3162 4008 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
6327 3155 3361 SHAW - Shaw Communications Inc., CA
39891 2898 3338 ALJAWWALSTC-AS, SA
8551 2686 3224 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
18566 2075 2182 MEGAPATH5-US - MegaPath Corporation, US
9121 1905 2659 TTNET, TR
30036 1554 1751 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
11830 1475 2081 Instituto Costarricense de Electricidad y Telec
10620 1464 3536 Telmex Colombia S.A., CO
6389 1375 2069 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)
----------------------------------------------
1:1607 2:817 4:26 5:2438 6:34 8:1077
12:1833 13:116 14:1786 15:26 16:2 17:121
18:120 19:1 20:56 23:2256 24:1864 25:2
27:2412 31:1915 32:89 33:7 35:20 36:398
37:2581 38:1348 39:44 40:97 41:3006 42:468
43:1909 44:72 45:2565 46:2744 47:116 49:1195
50:976 51:18 52:807 54:360 55:4 56:4
57:41 58:1581 59:1039 60:387 61:1907 62:1532
63:1919 64:4580 65:2212 66:4556 67:2239 68:1227
69:3350 70:1317 71:583 72:2193 74:2666 75:382
76:427 77:1484 78:1657 79:2067 80:1376 81:1410
82:985 83:729 84:869 85:1798 86:481 87:1159
88:836 89:2078 90:169 91:6162 92:1009 93:2386
94:2328 95:2859 96:606 97:359 98:1005 99:85
100:156 101:1260 103:14549 104:2862 105:177 106:498
107:1640 108:811 109:3421 110:1330 111:1738 112:1174
113:1216 114:1036 115:1785 116:1777 117:1724 118:2157
119:1581 120:1006 121:1101 122:2236 123:1786 124:1540
125:1870 128:744 129:627 130:440 131:1391 132:526
133:190 134:620 135:219 136:515 137:435 138:1932
139:476 140:375 141:564 142:741 143:972 144:780
145:177 146:1036 147:659 148:1387 149:568 150:710
151:957 152:754 153:297 154:793 155:740 156:581
157:621 158:448 159:1444 160:581 161:748 162:2488
163:524 164:793 165:1201 166:385 167:1246 168:2608
169:779 170:3197 171:300 172:979 173:1855 174:819
175:735 176:1840 177:4109 178:2468 179:1144 180:2196
181:1857 182:2330 183:983 184:856 185:9555 186:3202
187:2231 188:2631 189:1793 190:8149 191:1317 192:9380
193:5785 194:4651 195:3847 196:2080 197:1239 198:5516
199:5881 200:7340 201:4332 202:10342 203:9865 204:4468
205:2798 206:3009 207:3129 208:4015 209:3970 210:3957
211:2134 212:2815 213:2496 214:878 215:65 216:5768
217:2079 218:839 219:608 220:1653 221:908 222:758
223:1177
End of report
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