[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Oct 3 18:12:05 UTC 2014
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, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.
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 04 Oct, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 513366
Prefixes after maximum aggregation: 199005
Deaggregation factor: 2.58
Unique aggregates announced to Internet: 252719
Total ASes present in the Internet Routing Table: 48192
Prefixes per ASN: 10.65
Origin-only ASes present in the Internet Routing Table: 36237
Origin ASes announcing only one prefix: 16367
Transit ASes present in the Internet Routing Table: 6144
Transit-only ASes present in the Internet Routing Table: 171
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 118
Max AS path prepend of ASN ( 55644) 111
Prefixes from unregistered ASNs in the Routing Table: 1796
Unregistered ASNs in the Routing Table: 436
Number of 32-bit ASNs allocated by the RIRs: 7552
Number of 32-bit ASNs visible in the Routing Table: 5811
Prefixes from 32-bit ASNs in the Routing Table: 20513
Number of bogon 32-bit ASNs visible in the Routing Table: 13
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 345
Number of addresses announced to Internet: 2709985028
Equivalent to 161 /8s, 135 /16s and 23 /24s
Percentage of available address space announced: 73.2
Percentage of allocated address space announced: 73.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 96.9
Total number of prefixes smaller than registry allocations: 176366
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 124949
Total APNIC prefixes after maximum aggregation: 36672
APNIC Deaggregation factor: 3.41
Prefixes being announced from the APNIC address blocks: 128774
Unique aggregates announced from the APNIC address blocks: 53389
APNIC Region origin ASes present in the Internet Routing Table: 4979
APNIC Prefixes per ASN: 25.86
APNIC Region origin ASes announcing only one prefix: 1189
APNIC Region transit ASes present in the Internet Routing Table: 856
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 118
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1115
Number of APNIC addresses announced to Internet: 734732608
Equivalent to 43 /8s, 203 /16s and 33 /24s
Percentage of available APNIC address space announced: 85.9
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, 131072-135580
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: 170714
Total ARIN prefixes after maximum aggregation: 85222
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 172625
Unique aggregates announced from the ARIN address blocks: 80799
ARIN Region origin ASes present in the Internet Routing Table: 16372
ARIN Prefixes per ASN: 10.54
ARIN Region origin ASes announcing only one prefix: 6108
ARIN Region transit ASes present in the Internet Routing Table: 1697
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 215
Number of ARIN addresses announced to Internet: 1085100736
Equivalent to 64 /8s, 173 /16s and 82 /24s
Percentage of available ARIN address space announced: 57.4
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, 393216-394239
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: 125205
Total RIPE prefixes after maximum aggregation: 63502
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 130400
Unique aggregates announced from the RIPE address blocks: 82997
RIPE Region origin ASes present in the Internet Routing Table: 17747
RIPE Prefixes per ASN: 7.35
RIPE Region origin ASes announcing only one prefix: 8210
RIPE Region transit ASes present in the Internet Routing Table: 2904
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3091
Number of RIPE addresses announced to Internet: 659138692
Equivalent to 39 /8s, 73 /16s and 168 /24s
Percentage of available RIPE address space announced: 95.8
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, 196608-202239
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: 59835
Total LACNIC prefixes after maximum aggregation: 10728
LACNIC Deaggregation factor: 5.58
Prefixes being announced from the LACNIC address blocks: 68362
Unique aggregates announced from the LACNIC address blocks: 30503
LACNIC Region origin ASes present in the Internet Routing Table: 2342
LACNIC Prefixes per ASN: 29.19
LACNIC Region origin ASes announcing only one prefix: 648
LACNIC Region transit ASes present in the Internet Routing Table: 458
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 23
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1335
Number of LACNIC addresses announced to Internet: 171129216
Equivalent to 10 /8s, 51 /16s and 57 /24s
Percentage of available LACNIC address space announced: 102.0
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-265628 + 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: 12042
Total AfriNIC prefixes after maximum aggregation: 2835
AfriNIC Deaggregation factor: 4.25
Prefixes being announced from the AfriNIC address blocks: 12860
Unique aggregates announced from the AfriNIC address blocks: 4717
AfriNIC Region origin ASes present in the Internet Routing Table: 739
AfriNIC Prefixes per ASN: 17.40
AfriNIC Region origin ASes announcing only one prefix: 212
AfriNIC Region transit ASes present in the Internet Routing Table: 154
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: 55
Number of AfriNIC addresses announced to Internet: 59530240
Equivalent to 3 /8s, 140 /16s and 92 /24s
Percentage of available AfriNIC address space announced: 59.1
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
4766 2944 11584 926 Korea Telecom
17974 2815 900 74 PT Telekomunikasi Indonesia
7545 2362 336 122 TPG Telecom Limited
4755 1914 413 192 TATA Communications formerly
9829 1641 1306 39 National Internet Backbone
4808 1414 2198 417 CNCGROUP IP network China169
9583 1320 105 541 Sify Limited
9498 1304 333 91 BHARTI Airtel Ltd.
9808 1292 6639 15 Guangdong Mobile Communicatio
7552 1232 1098 14 Viettel Corporation
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
6389 2896 3688 51 BellSouth.net Inc.
22773 2891 2940 141 Cox Communications Inc.
18566 2045 379 181 MegaPath Corporation
7029 1932 1975 329 Windstream Communications Inc
20115 1803 1785 479 Charter Communications
4323 1634 1052 410 tw telecom holdings, inc.
6983 1492 867 249 ITC^Deltacom
30036 1477 309 626 Mediacom Communications Corp
701 1432 11258 716 MCI Communications Services,
22561 1307 408 237 CenturyTel Internet Holdings,
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
34984 1822 296 348 TELLCOM ILETISIM HIZMETLERI A
20940 1493 580 1099 Akamai International B.V.
8402 1359 544 15 OJSC "Vimpelcom"
31148 1045 45 21 Freenet Ltd.
13188 1034 100 36 TOV "Bank-Inform"
8551 963 372 41 Bezeq International-Ltd
6849 834 356 26 JSC "Ukrtelecom"
12479 805 798 58 France Telecom Espana SA
6830 777 2334 432 Liberty Global Operations B.V
9198 668 346 28 JSC Kazakhtelecom
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
28573 3026 2311 114 NET Serviços de Comunicação S
10620 2990 484 249 Telmex Colombia S.A.
18881 1903 1036 22 Global Village Telecom
6147 1772 374 30 Telefonica del Peru S.A.A.
7303 1764 1175 250 Telecom Argentina S.A.
8151 1476 2999 434 Uninet S.A. de C.V.
6503 1109 434 59 Axtel, S.A.B. de C.V.
7738 999 1882 41 Telemar Norte Leste S.A.
27947 911 130 51 Telconet S.A
26615 902 2325 35 Tim Celular S.A.
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
8452 1300 958 13 TE-AS
24863 950 280 26 Link Egypt (Link.NET)
6713 678 760 38 Office National des Postes et
36992 347 824 27 ETISALAT MISR
24835 307 144 9 Vodafone Data
3741 249 920 212 Internet Solutions
29571 245 22 17 Cote d'Ivoire Telecom
37054 234 19 6 Data Telecom Service
15706 186 17 6 Sudatel (Sudan Telecom Co. Lt
12258 174 26 71 MWEB CONNECT (PROPRIETARY) LI
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
28573 3026 2311 114 NET Serviços de Comunicação S
10620 2990 484 249 Telmex Colombia S.A.
4766 2944 11584 926 Korea Telecom
6389 2896 3688 51 BellSouth.net Inc.
22773 2891 2940 141 Cox Communications Inc.
17974 2815 900 74 PT Telekomunikasi Indonesia
7545 2362 336 122 TPG Telecom Limited
18566 2045 379 181 MegaPath Corporation
7029 1932 1975 329 Windstream Communications Inc
4755 1914 413 192 TATA Communications formerly
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 2896 2845 BellSouth.net Inc.
22773 2891 2750 Cox Communications Inc.
10620 2990 2741 Telmex Colombia S.A.
17974 2815 2741 PT Telekomunikasi Indonesia
7545 2362 2240 TPG Telecom Limited
4766 2944 2018 Korea Telecom
18881 1903 1881 Global Village Telecom
18566 2045 1864 MegaPath Corporation
6147 1772 1742 Telefonica del Peru S.A.A.
4755 1914 1722 TATA Communications formerly
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
30662 UNALLOCATED 8.2.129.0/24 3356 Level 3 Communicatio
53506 UNALLOCATED 8.17.102.0/23 3356 Level 3 Communicatio
20260 UNALLOCATED 8.25.160.0/24 3356 Level 3 Communicatio
20260 UNALLOCATED 8.25.161.0/24 3356 Level 3 Communicatio
46473 UNALLOCATED 8.27.122.0/24 12180 Internap Network Ser
46473 UNALLOCATED 8.27.124.0/24 12180 Internap Network Ser
55020 UNALLOCATED 8.30.123.0/24 3356 Level 3 Communicatio
27205 UNALLOCATED 8.38.16.0/21 6461 Abovenet Communicati
15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I
33628 UNALLOCATED 12.0.239.0/24 1239 Sprint
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.100.241.0/24 23456 32bit Transition AS
24.231.96.0/24 21548 MTO Telecom Inc.
27.100.7.0/24 56096 >>UNKNOWN<<
31.217.248.0/21 44902 COVAGE NETWORKS SASU
37.16.88.0/23 57652 >>UNKNOWN<<
41.73.1.0/24 37004 >>UNKNOWN<<
41.73.2.0/24 37004 >>UNKNOWN<<
41.73.10.0/24 37004 >>UNKNOWN<<
41.73.11.0/24 37004 >>UNKNOWN<<
41.73.12.0/24 37004 >>UNKNOWN<<
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 /9:12 /10:31 /11:90 /12:262
/13:504 /14:1003 /15:1714 /16:13037 /17:7095 /18:11802
/19:24588 /20:35312 /21:37686 /22:54782 /23:48002 /24:274515
/25:1091 /26:1056 /27:709 /28:16 /29:19 /30:10
/31:1 /32:13
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2124 2891 Cox Communications Inc.
18566 2000 2045 MegaPath Corporation
6389 1676 2896 BellSouth.net Inc.
6147 1337 1772 Telefonica del Peru S.A.A.
30036 1322 1477 Mediacom Communications Corp
6983 1185 1492 ITC^Deltacom
34984 1142 1822 TELLCOM ILETISIM HIZMETLERI A
7029 1138 1932 Windstream Communications Inc
11492 1125 1174 CABLE ONE, INC.
10620 1055 2990 Telmex Colombia S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1348 2:663 3:3 4:17 5:1153 6:21
8:760 12:1848 13:4 14:1124 15:17 16:2
17:42 18:21 20:51 23:928 24:1751 27:1787
31:1407 32:41 33:2 34:5 36:157 37:1779
38:998 39:12 40:227 41:2979 42:271 43:423
44:17 45:76 46:2168 47:26 49:734 50:796
52:12 54:52 55:5 56:6 57:32 58:1211
59:640 60:432 61:1719 62:1272 63:1831 64:4404
65:2292 66:4192 67:2057 68:1047 69:3278 70:864
71:475 72:1977 74:2592 75:372 76:413 77:1608
78:925 79:764 80:1325 81:1249 82:793 83:757
84:730 85:1324 86:452 87:1157 88:475 89:1790
90:138 91:5759 92:758 93:1666 94:2086 95:1304
96:426 97:341 98:1100 99:48 100:66 101:727
103:5755 104:339 105:138 106:188 107:645 108:575
109:1987 110:1043 111:1379 112:714 113:900 114:782
115:1213 116:1129 117:991 118:1564 119:1364 120:436
121:973 122:2193 123:1636 124:1442 125:1509 128:612
129:348 130:362 131:872 132:430 133:165 134:325
135:78 136:306 137:292 138:379 139:195 140:223
141:405 142:596 143:420 144:498 145:111 146:685
147:554 148:968 149:379 150:498 151:710 152:471
153:240 154:356 155:561 156:376 157:332 158:277
159:940 160:325 161:604 162:1790 163:402 164:702
165:662 166:362 167:682 168:1119 169:119 170:1412
171:189 172:60 173:1622 174:704 175:615 176:1519
177:3568 178:2087 179:805 180:1765 181:1746 182:1647
183:558 184:717 185:2129 186:3006 187:1704 188:2155
189:1510 190:7890 191:769 192:7585 193:5522 194:4051
195:3586 196:1622 197:748 198:5152 199:5465 200:6466
201:2895 202:9120 203:9043 204:4577 205:2650 206:2975
207:2951 208:3921 209:3728 210:3293 211:1825 212:2363
213:2149 214:856 215:88 216:5616 217:1705 218:618
219:394 220:1371 221:692 222:483 223:601
End of report
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