[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri May 26 18:02:40 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 27 May, 2017
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 648754
Prefixes after maximum aggregation (per Origin AS): 253024
Deaggregation factor: 2.56
Unique aggregates announced (without unneeded subnets): 313436
Total ASes present in the Internet Routing Table: 57333
Prefixes per ASN: 11.32
Origin-only ASes present in the Internet Routing Table: 49627
Origin ASes announcing only one prefix: 21973
Transit ASes present in the Internet Routing Table: 7706
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: 41
Max AS path prepend of ASN ( 55644) 36
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: 18760
Number of 32-bit ASNs visible in the Routing Table: 14576
Prefixes from 32-bit ASNs in the Routing Table: 58938
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: 358
Number of addresses announced to Internet: 2847714468
Equivalent to 169 /8s, 188 /16s and 172 /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: 216335
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 178024
Total APNIC prefixes after maximum aggregation: 51257
APNIC Deaggregation factor: 3.47
Prefixes being announced from the APNIC address blocks: 177223
Unique aggregates announced from the APNIC address blocks: 73267
APNIC Region origin ASes present in the Internet Routing Table: 8135
APNIC Prefixes per ASN: 21.79
APNIC Region origin ASes announcing only one prefix: 2280
APNIC Region transit ASes present in the Internet Routing Table: 1140
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 41
Number of APNIC region 32-bit ASNs visible in the Routing Table: 2959
Number of APNIC addresses announced to Internet: 763318372
Equivalent to 45 /8s, 127 /16s and 80 /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: 197715
Total ARIN prefixes after maximum aggregation: 94329
ARIN Deaggregation factor: 2.10
Prefixes being announced from the ARIN address blocks: 199790
Unique aggregates announced from the ARIN address blocks: 91726
ARIN Region origin ASes present in the Internet Routing Table: 17910
ARIN Prefixes per ASN: 11.16
ARIN Region origin ASes announcing only one prefix: 6628
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: 1992
Number of ARIN addresses announced to Internet: 1110674400
Equivalent to 66 /8s, 51 /16s and 139 /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: 174659
Total RIPE prefixes after maximum aggregation: 85397
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 170272
Unique aggregates announced from the RIPE address blocks: 102587
RIPE Region origin ASes present in the Internet Routing Table: 24057
RIPE Prefixes per ASN: 7.08
RIPE Region origin ASes announcing only one prefix: 11101
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: 5858
Number of RIPE addresses announced to Internet: 711906176
Equivalent to 42 /8s, 110 /16s and 211 /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: 81034
Total LACNIC prefixes after maximum aggregation: 18186
LACNIC Deaggregation factor: 4.46
Prefixes being announced from the LACNIC address blocks: 82282
Unique aggregates announced from the LACNIC address blocks: 38694
LACNIC Region origin ASes present in the Internet Routing Table: 5939
LACNIC Prefixes per ASN: 13.85
LACNIC Region origin ASes announcing only one prefix: 1640
LACNIC Region transit ASes present in the Internet Routing Table: 1096
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: 3454
Number of LACNIC addresses announced to Internet: 170647520
Equivalent to 10 /8s, 43 /16s and 223 /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: 17205
Total AfriNIC prefixes after maximum aggregation: 3805
AfriNIC Deaggregation factor: 4.52
Prefixes being announced from the AfriNIC address blocks: 18829
Unique aggregates announced from the AfriNIC address blocks: 6841
AfriNIC Region origin ASes present in the Internet Routing Table: 1045
AfriNIC Prefixes per ASN: 18.02
AfriNIC Region origin ASes announcing only one prefix: 323
AfriNIC Region transit ASes present in the Internet Routing Table: 203
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 313
Number of AfriNIC addresses announced to Internet: 90746880
Equivalent to 5 /8s, 104 /16s and 176 /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 5571 4190 74 ERX-CERNET-BKB China Education and Rese
7545 3935 402 370 TPG-INTERNET-AP TPG Telecom Limited, AU
17974 2987 903 72 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4766 2752 11136 758 KIXS-AS-KR Korea Telecom, KR
9829 2736 1499 539 BSNL-NIB National Internet Backbone, IN
9808 2214 8699 34 CMNET-GD Guangdong Mobile Communication
4755 2088 422 224 TATACOMM-AS TATA Communications formerl
45899 1990 1392 108 VNPT-AS-VN VNPT Corp, VN
7552 1614 1100 66 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 4103 2969 154 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6327 3409 1333 80 SHAW - Shaw Communications Inc., CA
18566 2181 405 109 MEGAPATH5-US - MegaPath Corporation, US
6389 2068 3671 39 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
20115 2006 2166 417 CHARTER-NET-HKY-NC - Charter Communicat
209 1819 5068 639 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
16509 1803 3440 582 AMAZON-02 - Amazon.com, Inc., US
30036 1772 324 317 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
6983 1691 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
39891 3338 187 22 ALJAWWALSTC-AS, SA
8551 3185 377 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2891 1001 2072 AKAMAI-ASN1, US
34984 2013 328 386 TELLCOM-AS, TR
9121 1979 1691 17 TTNET, TR
13188 1596 99 56 TRIOLAN, UA
12479 1594 1044 52 UNI2-AS, ES
12389 1502 1398 620 ROSTELECOM-AS, RU
9198 1323 352 25 KAZTELECOM-AS, KZ
6849 1157 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 3542 545 156 Telmex Colombia S.A., CO
8151 2520 3403 566 Uninet S.A. de C.V., MX
11830 2085 369 57 Instituto Costarricense de Electricidad
7303 1571 1009 248 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 1015 496 183 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
28573 1009 2284 175 CLARO S.A., BR
11172 921 126 79 Alestra, S. de R.L. de C.V., MX
18881 894 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 1256 398 48 LINKdotNET-AS, EG
36903 713 358 123 MT-MPLS, MA
37611 711 67 7 Afrihost, ZA
36992 628 1375 26 ETISALAT-MISR, EG
24835 496 850 15 RAYA-AS, EG
29571 419 36 10 CITelecom-AS, CI
37492 406 319 74 ORANGE-, TN
8452 397 1730 17 TE-AS TE-AS, EG
15399 352 35 7 WANANCHI-, KE
2018 296 327 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 5571 4190 74 ERX-CERNET-BKB China Education and Rese
22773 4103 2969 154 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
7545 3935 402 370 TPG-INTERNET-AP TPG Telecom Limited, AU
10620 3542 545 156 Telmex Colombia S.A., CO
6327 3409 1333 80 SHAW - Shaw Communications Inc., CA
39891 3338 187 22 ALJAWWALSTC-AS, SA
8551 3185 377 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
17974 2987 903 72 TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940 2891 1001 2072 AKAMAI-ASN1, US
4766 2752 11136 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 4103 3949 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7545 3935 3565 TPG-INTERNET-AP TPG Telecom Limited, AU
10620 3542 3386 Telmex Colombia S.A., CO
6327 3409 3329 SHAW - Shaw Communications Inc., CA
39891 3338 3316 ALJAWWALSTC-AS, SA
8551 3185 3145 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
17974 2987 2915 TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
9829 2736 2197 BSNL-NIB National Internet Backbone, IN
9808 2214 2180 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
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
41.78.180.0/23 37265 -Reserved AS-, ZZ
41.242.132.0/23 203496 AB-TELECOM, RU
43.228.144.0/22 9829 BSNL-NIB National Internet Backbone, IN
43.241.246.0/24 132122 ANJNAY-IN Anjnay Information Technology India (P) L
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 /14:1045 /15:1851 /16:13491 /17:7620 /18:13382
/19:24721 /20:38519 /21:41070 /22:76799 /23:63885 /24:363158
/25:827 /26:619 /27:641 /28:45 /29:32 /30:26
/31:1 /32:28
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 3256 4103 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
6327 3203 3409 SHAW - Shaw Communications Inc., CA
39891 2898 3338 ALJAWWALSTC-AS, SA
8551 2650 3185 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
18566 2074 2181 MEGAPATH5-US - MegaPath Corporation, US
30036 1569 1772 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
11830 1474 2085 Instituto Costarricense de Electricidad y Telec
10620 1468 3542 Telmex Colombia S.A., CO
6389 1375 2068 BELLSOUTH-NET-BLK - BellSouth.net Inc., US
9121 1374 1979 TTNET, TR
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1605 2:842 4:27 5:2424 6:34 8:1093
12:1825 13:119 14:1779 15:26 16:2 17:122
18:121 20:57 23:2286 24:1840 25:2 27:2407
31:1911 32:83 33:9 35:20 36:407 37:2582
38:1331 39:42 40:97 41:3016 42:471 43:1919
44:73 45:2681 46:2733 47:120 49:1201 50:985
51:19 52:816 54:363 55:4 56:4 57:42
58:1587 59:1039 60:391 61:1945 62:1541 63:1920
64:4575 65:2210 66:4530 67:2256 68:1230 69:3373
70:1321 71:584 72:2226 74:2676 75:385 76:433
77:1485 78:1447 79:2438 80:1394 81:1405 82:989
83:721 84:871 85:1748 86:483 87:1157 88:762
89:2065 90:172 91:6173 92:1019 93:2389 94:2330
95:2750 96:608 97:352 98:1033 99:90 100:158
101:1252 103:14811 104:2898 105:182 106:486 107:1645
108:815 109:3014 110:1416 111:1745 112:1177 113:1227
114:1031 115:1729 116:1786 117:1719 118:2154 119:1590
120:1024 121:1107 122:2307 123:1810 124:1529 125:1908
128:757 129:643 130:441 131:1357 132:526 133:192
134:639 135:222 136:455 137:434 138:1955 139:479
140:379 141:568 142:749 143:934 144:785 145:182
146:1028 147:670 148:1435 149:578 150:712 151:970
152:798 153:297 154:822 155:743 156:593 157:636
158:449 159:1457 160:637 161:754 162:2514 163:525
164:789 165:1204 166:382 167:1258 168:2609 169:781
170:3297 171:320 172:1017 173:1879 174:840 175:751
176:1842 177:4016 178:2487 179:1139 180:2199 181:1867
182:2353 183:998 184:866 185:9727 186:3073 187:2200
188:2701 189:1812 190:7910 191:1322 192:9409 193:5789
194:4657 195:3868 196:2130 197:1263 198:5524 199:5884
200:7362 201:4286 202:10370 203:9969 204:4475 205:2803
206:3015 207:3141 208:3983 209:4003 210:3955 211:2138
212:2828 213:2496 214:879 215:66 216:5725 217:2076
218:842 219:602 220:1655 221:911 222:758 223:1179
End of report
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