[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Oct 21 18:01:34 UTC 2016
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,
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 22 Oct, 2016
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 615166
Prefixes after maximum aggregation (per Origin AS): 220426
Deaggregation factor: 2.79
Unique aggregates announced (without unneeded subnets): 299813
Total ASes present in the Internet Routing Table: 55044
Prefixes per ASN: 11.18
Origin-only ASes present in the Internet Routing Table: 36336
Origin ASes announcing only one prefix: 15328
Transit ASes present in the Internet Routing Table: 6525
Transit-only ASes present in the Internet Routing Table: 166
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 39
Max AS path prepend of ASN ( 55644) 31
Prefixes from unregistered ASNs in the Routing Table: 56
Unregistered ASNs in the Routing Table: 15
Number of 32-bit ASNs allocated by the RIRs: 15849
Number of 32-bit ASNs visible in the Routing Table: 12183
Prefixes from 32-bit ASNs in the Routing Table: 49137
Number of bogon 32-bit ASNs visible in the Routing Table: 247
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 353
Number of addresses announced to Internet: 2829985572
Equivalent to 168 /8s, 174 /16s and 39 /24s
Percentage of available address space announced: 76.4
Percentage of allocated address space announced: 76.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 98.3
Total number of prefixes smaller than registry allocations: 200615
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 156347
Total APNIC prefixes after maximum aggregation: 42794
APNIC Deaggregation factor: 3.65
Prefixes being announced from the APNIC address blocks: 170253
Unique aggregates announced from the APNIC address blocks: 69829
APNIC Region origin ASes present in the Internet Routing Table: 5173
APNIC Prefixes per ASN: 32.91
APNIC Region origin ASes announcing only one prefix: 1143
APNIC Region transit ASes present in the Internet Routing Table: 946
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 37
Number of APNIC region 32-bit ASNs visible in the Routing Table: 2439
Number of APNIC addresses announced to Internet: 759730500
Equivalent to 45 /8s, 72 /16s and 145 /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: 185253
Total ARIN prefixes after maximum aggregation: 89516
ARIN Deaggregation factor: 2.07
Prefixes being announced from the ARIN address blocks: 191091
Unique aggregates announced from the ARIN address blocks: 88732
ARIN Region origin ASes present in the Internet Routing Table: 16165
ARIN Prefixes per ASN: 11.82
ARIN Region origin ASes announcing only one prefix: 5671
ARIN Region transit ASes present in the Internet Routing Table: 1719
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: 1527
Number of ARIN addresses announced to Internet: 1105174176
Equivalent to 65 /8s, 223 /16s and 158 /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: 146917
Total RIPE prefixes after maximum aggregation: 72154
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 157661
Unique aggregates announced from the RIPE address blocks: 97134
RIPE Region origin ASes present in the Internet Routing Table: 18137
RIPE Prefixes per ASN: 8.69
RIPE Region origin ASes announcing only one prefix: 7798
RIPE Region transit ASes present in the Internet Routing Table: 3032
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 5079
Number of RIPE addresses announced to Internet: 708755712
Equivalent to 42 /8s, 62 /16s and 193 /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: 62556
Total LACNIC prefixes after maximum aggregation: 12624
LACNIC Deaggregation factor: 4.96
Prefixes being announced from the LACNIC address blocks: 78731
Unique aggregates announced from the LACNIC address blocks: 37419
LACNIC Region origin ASes present in the Internet Routing Table: 2480
LACNIC Prefixes per ASN: 31.75
LACNIC Region origin ASes announcing only one prefix: 547
LACNIC Region transit ASes present in the Internet Routing Table: 583
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 22
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2870
Number of LACNIC addresses announced to Internet: 170666048
Equivalent to 10 /8s, 44 /16s and 40 /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: 14899
Total AfriNIC prefixes after maximum aggregation: 3330
AfriNIC Deaggregation factor: 4.47
Prefixes being announced from the AfriNIC address blocks: 17077
Unique aggregates announced from the AfriNIC address blocks: 6379
AfriNIC Region origin ASes present in the Internet Routing Table: 734
AfriNIC Prefixes per ASN: 23.27
AfriNIC Region origin ASes announcing only one prefix: 169
AfriNIC Region transit ASes present in the Internet Routing Table: 180
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 268
Number of AfriNIC addresses announced to Internet: 85176832
Equivalent to 5 /8s, 19 /16s and 178 /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 5528 4190 74 ERX-CERNET-BKB China Education and Rese
7545 3587 382 248 TPG-INTERNET-AP TPG Telecom Limited, AU
17974 2954 905 71 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9829 2697 1497 530 BSNL-NIB National Internet Backbone, IN
4766 2658 11127 737 KIXS-AS-KR Korea Telecom, KR
9808 2214 8781 42 CMNET-GD Guangdong Mobile Communication
4755 2053 429 216 TATACOMM-AS TATA Communications formerl
4808 1768 2290 519 CHINA169-BJ China Unicom Beijing Provin
45899 1584 1239 90 VNPT-AS-VN VNPT Corp, VN
24560 1552 517 222 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
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 3542 2965 146 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566 2196 405 110 MEGAPATH5-US - MegaPath Corporation, US
6389 2095 3671 39 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
20115 1943 1992 407 CHARTER-NET-HKY-NC - Charter Communicat
30036 1744 335 322 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
209 1722 5067 656 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
6983 1678 848 227 ITCDELTA - Earthlink, Inc., US
701 1610 10674 671 UUNET - MCI Communications Services, In
7018 1485 20492 1048 ATT-INTERNET4 - AT&T Services, Inc., US
16509 1430 2778 479 AMAZON-02 - Amazon.com, 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
39891 3329 169 15 ALJAWWALSTC-AS , SA
20940 2817 1048 2011 AKAMAI-ASN1 , US
34984 1988 326 359 TELLCOM-AS , TR
13188 1571 99 58 TRIOLAN , UA
12479 1370 1018 46 UNI2-AS , ES
8551 1203 377 46 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
6849 1142 355 21 UKRTELNET , UA
8402 1109 544 15 CORBINA-AS Russia, RU
12389 949 1134 422 ROSTELECOM-AS , RU
6830 863 2756 464 LGI-UPC formerly known as UPC Broadband
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 3511 542 161 Telmex Colombia S.A., CO
8151 2285 3356 555 Uninet S.A. de C.V., MX
7303 1542 963 248 Telecom Argentina S.A., AR
6503 1420 437 54 Axtel, S.A.B. de C.V., MX
11830 1322 367 57 Instituto Costarricense de Electricidad
6147 1207 377 28 Telefonica del Peru S.A.A., PE
28573 1008 2263 166 CLARO S.A., BR
7738 994 1882 40 Telemar Norte Leste S.A., BR
3816 976 472 200 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 905 125 75 Alestra, S. de R.L. de C.V., MX
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 1184 402 50 LINKdotNET-AS, EG
36903 680 342 128 MT-MPLS, MA
37611 664 67 6 Afrihost, ZA
36992 566 1373 25 ETISALAT-MISR, EG
8452 514 1471 15 TE-AS TE-AS, EG
37492 386 250 69 ORANGE-TN, TN
24835 365 614 17 RAYA-AS, EG
29571 335 37 12 CITelecom-AS, CI
15399 307 35 6 WANANCHI-KE, KE
2018 269 327 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 5528 4190 74 ERX-CERNET-BKB China Education and Rese
7545 3587 382 248 TPG-INTERNET-AP TPG Telecom Limited, AU
22773 3542 2965 146 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3511 542 161 Telmex Colombia S.A., CO
39891 3329 169 15 ALJAWWALSTC-AS , SA
17974 2954 905 71 TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940 2817 1048 2011 AKAMAI-ASN1 , US
9829 2697 1497 530 BSNL-NIB National Internet Backbone, IN
4766 2658 11127 737 KIXS-AS-KR Korea Telecom, KR
8151 2285 3356 555 Uninet S.A. de C.V., MX
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 3542 3396 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3511 3350 Telmex Colombia S.A., CO
7545 3587 3339 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3329 3314 ALJAWWALSTC-AS , SA
17974 2954 2883 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9808 2214 2172 CMNET-GD Guangdong Mobile Communication
9829 2697 2167 BSNL-NIB National Internet Backbone, IN
18566 2196 2086 MEGAPATH5-US - MegaPath Corporation, US
6389 2095 2056 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
4766 2658 1921 KIXS-AS-KR Korea Telecom, KR
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
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
65512 PRIVATE 45.252.244.0/24 45899 VNPT-AS-VN VNPT Corp, VN
65512 PRIVATE 45.252.245.0/24 45899 VNPT-AS-VN VNPT Corp, VN
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.100.7.0/24 56096 UNKNOWN
41.73.1.0/24 37004 -Reserved AS-, ZZ
41.73.2.0/24 37004 -Reserved AS-, ZZ
41.73.3.0/24 37004 -Reserved AS-, ZZ
41.73.4.0/24 37004 -Reserved AS-, ZZ
41.73.5.0/24 37004 -Reserved AS-, ZZ
41.73.6.0/24 37004 -Reserved AS-, ZZ
41.73.7.0/24 37004 -Reserved AS-, ZZ
41.73.8.0/24 37004 -Reserved AS-, ZZ
41.73.9.0/24 37004 -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 /8:16 /9:13 /10:36 /11:102 /12:274
/13:521 /14:1049 /15:1775 /16:13148 /17:7836 /18:13041
/19:25443 /20:38819 /21:40354 /22:69194 /23:59899 /24:342445
/25:447 /26:343 /27:275 /28:57 /29:33 /30:13
/31:1 /32:32
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2896 3329 ALJAWWALSTC-AS , SA
22773 2764 3542 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566 2088 2196 MEGAPATH5-US - MegaPath Corporation, US
30036 1558 1744 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
10620 1430 3511 Telmex Colombia S.A., CO
6389 1393 2095 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
6983 1326 1678 ITCDELTA - Earthlink, Inc., US
13188 1300 1571 TRIOLAN , UA
34984 1272 1988 TELLCOM-AS , TR
11492 1232 1326 CABLEONE - CABLE ONE, INC., US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1539 2:808 4:23 5:2172 6:32 8:993
12:1804 13:49 14:1739 15:46 16:2 17:100
18:126 20:48 23:1872 24:1811 27:2358 31:1802
32:83 33:4 35:3 36:336 37:2363 38:1279
39:33 40:100 41:2952 42:463 43:1874 44:47
45:2135 46:2581 47:101 49:1213 50:904 51:13
52:560 53:2 54:351 55:6 56:4 57:40
58:1572 59:993 60:378 61:1838 62:1531 63:1934
64:4571 65:2171 66:4298 67:2253 68:1138 69:3297
70:1290 71:562 72:2077 74:2580 75:403 76:416
77:1432 78:1236 79:918 80:1304 81:1402 82:986
83:705 84:887 85:1589 86:478 87:1133 88:555
89:2045 90:222 91:6114 92:930 93:2357 94:2415
95:2483 96:549 97:345 98:945 99:90 100:147
101:1167 103:12636 104:2523 105:125 106:440 107:1434
108:780 109:2436 110:1278 111:1638 112:1085 113:1141
114:1095 115:1686 116:1672 117:1566 118:2070 119:1575
120:938 121:1074 122:2274 123:2000 124:1572 125:1819
128:689 129:449 130:419 131:1335 132:610 133:175
134:512 135:200 136:399 137:407 138:1779 139:432
140:602 141:452 142:672 143:918 144:733 145:165
146:956 147:658 148:1382 149:542 150:661 151:888
152:684 153:300 154:703 155:934 156:531 157:530
158:410 159:1261 160:526 161:732 162:2407 163:578
164:780 165:1109 166:345 167:1187 168:2297 169:666
170:2018 171:254 172:773 173:1772 174:764 175:675
176:1737 177:4117 178:2333 179:1187 180:2151 181:1916
182:2094 183:1010 184:828 185:7753 186:3223 187:2153
188:2220 189:1760 190:7800 191:1316 192:9058 193:5745
194:4479 195:3842 196:1793 197:1241 198:5598 199:5810
200:7145 201:3710 202:10141 203:9818 204:4511 205:2741
206:2994 207:3088 208:3980 209:3891 210:3871 211:2035
212:2742 213:2373 214:876 215:68 216:5726 217:1982
218:812 219:598 220:1641 221:878 222:696 223:1329
End of report
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