[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Dec 12 18:12:13 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,
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 13 Dec, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 523481
Prefixes after maximum aggregation: 201299
Deaggregation factor: 2.60
Unique aggregates announced to Internet: 255547
Total ASes present in the Internet Routing Table: 48830
Prefixes per ASN: 10.72
Origin-only ASes present in the Internet Routing Table: 36379
Origin ASes announcing only one prefix: 16320
Transit ASes present in the Internet Routing Table: 6187
Transit-only ASes present in the Internet Routing Table: 172
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 100
Max AS path prepend of ASN ( 55644) 93
Prefixes from unregistered ASNs in the Routing Table: 1631
Unregistered ASNs in the Routing Table: 430
Number of 32-bit ASNs allocated by the RIRs: 8142
Number of 32-bit ASNs visible in the Routing Table: 6264
Prefixes from 32-bit ASNs in the Routing Table: 22488
Number of bogon 32-bit ASNs visible in the Routing Table: 7
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 406
Number of addresses announced to Internet: 2715334500
Equivalent to 161 /8s, 216 /16s and 183 /24s
Percentage of available address space announced: 73.3
Percentage of allocated address space announced: 73.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 97.0
Total number of prefixes smaller than registry allocations: 177479
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 128957
Total APNIC prefixes after maximum aggregation: 37484
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 133610
Unique aggregates announced from the APNIC address blocks: 54387
APNIC Region origin ASes present in the Internet Routing Table: 5009
APNIC Prefixes per ASN: 26.67
APNIC Region origin ASes announcing only one prefix: 1216
APNIC Region transit ASes present in the Internet Routing Table: 853
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 100
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1211
Number of APNIC addresses announced to Internet: 738767936
Equivalent to 44 /8s, 8 /16s and 180 /24s
Percentage of available APNIC address space announced: 86.3
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: 173986
Total ARIN prefixes after maximum aggregation: 86173
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 175863
Unique aggregates announced from the ARIN address blocks: 82172
ARIN Region origin ASes present in the Internet Routing Table: 16408
ARIN Prefixes per ASN: 10.72
ARIN Region origin ASes announcing only one prefix: 6075
ARIN Region transit ASes present in the Internet Routing Table: 1711
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 290
Number of ARIN addresses announced to Internet: 1054644192
Equivalent to 62 /8s, 220 /16s and 151 /24s
Percentage of available ARIN address space announced: 55.8
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: 126399
Total RIPE prefixes after maximum aggregation: 63747
RIPE Deaggregation factor: 1.98
Prefixes being announced from the RIPE address blocks: 132300
Unique aggregates announced from the RIPE address blocks: 82743
RIPE Region origin ASes present in the Internet Routing Table: 17824
RIPE Prefixes per ASN: 7.42
RIPE Region origin ASes announcing only one prefix: 8183
RIPE Region transit ASes present in the Internet Routing Table: 2919
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: 3260
Number of RIPE addresses announced to Internet: 692278148
Equivalent to 41 /8s, 67 /16s and 83 /24s
Percentage of available RIPE address space announced: 100.6
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: 59085
Total LACNIC prefixes after maximum aggregation: 10879
LACNIC Deaggregation factor: 5.43
Prefixes being announced from the LACNIC address blocks: 67965
Unique aggregates announced from the LACNIC address blocks: 30977
LACNIC Region origin ASes present in the Internet Routing Table: 2388
LACNIC Prefixes per ASN: 28.46
LACNIC Region origin ASes announcing only one prefix: 638
LACNIC Region transit ASes present in the Internet Routing Table: 476
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 30
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1424
Number of LACNIC addresses announced to Internet: 167471296
Equivalent to 9 /8s, 251 /16s and 104 /24s
Percentage of available LACNIC address space announced: 99.8
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: 12432
Total AfriNIC prefixes after maximum aggregation: 2972
AfriNIC Deaggregation factor: 4.18
Prefixes being announced from the AfriNIC address blocks: 13337
Unique aggregates announced from the AfriNIC address blocks: 4901
AfriNIC Region origin ASes present in the Internet Routing Table: 735
AfriNIC Prefixes per ASN: 18.15
AfriNIC Region origin ASes announcing only one prefix: 208
AfriNIC Region transit ASes present in the Internet Routing Table: 151
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 79
Number of AfriNIC addresses announced to Internet: 60186624
Equivalent to 3 /8s, 150 /16s and 96 /24s
Percentage of available AfriNIC address space announced: 59.8
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 2953 11585 929 Korea Telecom
17974 2834 904 77 PT Telekomunikasi Indonesia
7545 2488 337 129 TPG Telecom Limited
4755 1923 416 191 TATA Communications formerly
4538 1816 4190 71 China Education and Research
9829 1662 1323 28 National Internet Backbone
9808 1496 6719 19 Guangdong Mobile Communicatio
4808 1443 2209 426 CNCGROUP IP network China169
9583 1366 112 564 Sify Limited
9498 1294 336 97 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 2922 2956 141 Cox Communications Inc.
6389 2892 3688 51 BellSouth.net Inc.
3356 2552 10684 471 Level 3 Communications, Inc.
18566 2042 379 183 MegaPath Corporation
20115 1838 1817 452 Charter Communications
4323 1639 1054 410 tw telecom holdings, inc.
6983 1625 867 245 EarthLink, Inc.
30036 1505 311 591 Mediacom Communications Corp
701 1418 11265 698 MCI Communications Services,
22561 1317 411 244 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 1907 298 358 TELLCOM ILETISIM HIZMETLERI A
20940 1530 598 1133 Akamai International B.V.
8402 1420 544 15 OJSC "Vimpelcom"
31148 1045 45 21 Freenet Ltd.
13188 997 95 60 TOV "Bank-Inform"
8551 898 373 43 Bezeq International-Ltd
6849 833 356 25 JSC "Ukrtelecom"
9198 831 349 26 JSC Kazakhtelecom
6830 821 2340 442 Liberty Global Operations B.V
12479 800 789 95 France Telecom Espana SA
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 3059 496 224 Telmex Colombia S.A.
28573 2295 2119 112 NET Serviços de Comunicação S
6147 1807 374 30 Telefonica del Peru S.A.A.
7303 1777 1172 241 Telecom Argentina S.A.
8151 1485 3034 428 Uninet S.A. de C.V.
6503 1229 433 58 Axtel, S.A.B. de C.V.
7738 999 1882 41 Telemar Norte Leste S.A.
26615 918 2325 35 Tim Celular S.A.
3816 909 394 147 COLOMBIA TELECOMUNICACIONES S
27947 886 129 50 Telconet 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 1429 958 13 TE-AS
24863 951 284 26 Link Egypt (Link.NET)
36903 456 230 95 Office National des Postes et
36992 382 824 29 ETISALAT MISR
24835 308 144 9 Vodafone Data
37492 282 133 65 Orange Tunisie
3741 250 921 213 Internet Solutions
29571 235 21 12 Cote d'Ivoire Telecom
37457 194 160 4 Telkom SA Ltd.
36947 187 807 13 Telecom Algeria
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
10620 3059 496 224 Telmex Colombia S.A.
4766 2953 11585 929 Korea Telecom
22773 2922 2956 141 Cox Communications Inc.
6389 2892 3688 51 BellSouth.net Inc.
17974 2834 904 77 PT Telekomunikasi Indonesia
3356 2552 10684 471 Level 3 Communications, Inc.
7545 2488 337 129 TPG Telecom Limited
28573 2295 2119 112 NET Serviços de Comunicação S
18566 2042 379 183 MegaPath Corporation
4755 1923 416 191 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 2892 2841 BellSouth.net Inc.
22773 2922 2781 Cox Communications Inc.
17974 2834 2757 PT Telekomunikasi Indonesia
7545 2488 2359 TPG Telecom Limited
28573 2295 2183 NET Serviços de Comunicação S
3356 2552 2081 Level 3 Communications, Inc.
4766 2953 2024 Korea Telecom
18566 2042 1859 MegaPath Corporation
6147 1807 1777 Telefonica del Peru S.A.A.
4538 1816 1745 China Education and Research
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
46467 UNALLOCATED 8.19.192.0/24 46887 Lightower Fiber Netw
18985 UNALLOCATED 8.21.68.0/22 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
27205 UNALLOCATED 8.38.16.0/21 6461 Abovenet Communicati
15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I
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
23.252.224.0/20 62502 >>UNKNOWN<<
23.252.224.0/21 62502 >>UNKNOWN<<
23.252.232.0/21 62502 >>UNKNOWN<<
24.231.96.0/24 21548 MTO Telecom Inc.
27.100.7.0/24 56096 >>UNKNOWN<<
27.122.56.0/22 55799 Hostemo Technology Sdn Bhd
31.217.248.0/21 44902 COVAGE NETWORKS SASU
37.16.88.0/23 57652 >>UNKNOWN<<
41.73.1.0/24 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 /11:92 /12:263
/13:501 /14:999 /15:1728 /16:13061 /17:7168 /18:11975
/19:24950 /20:35533 /21:38034 /22:56252 /23:49150 /24:280755
/25:1107 /26:1091 /27:708 /28:16 /29:19 /30:11
/31:0 /32:9
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2137 2922 Cox Communications Inc.
18566 1997 2042 MegaPath Corporation
6389 1672 2892 BellSouth.net Inc.
6147 1352 1807 Telefonica del Peru S.A.A.
30036 1352 1505 Mediacom Communications Corp
6983 1312 1625 EarthLink, Inc.
34984 1214 1907 TELLCOM ILETISIM HIZMETLERI A
11492 1126 1183 CABLE ONE, INC.
10620 1086 3059 Telmex Colombia S.A.
8402 1085 1420 OJSC "Vimpelcom"
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1394 2:676 3:3 4:95 5:1222 6:21
8:1402 12:1842 13:5 14:1208 15:17 16:2
17:42 18:21 20:51 23:1056 24:1662 27:1805
31:1420 32:39 33:2 34:5 36:150 37:1849
38:977 39:13 40:224 41:3035 42:281 43:774
44:20 45:83 46:2105 47:31 49:771 50:788
52:12 54:59 55:6 56:6 57:31 58:1157
59:662 60:448 61:1746 62:1308 63:1871 64:4411
65:2281 66:4092 67:2024 68:1046 69:3262 70:918
71:429 72:1974 74:2608 75:323 76:408 77:1348
78:1026 79:782 80:1321 81:1286 82:811 83:675
84:670 85:1303 86:430 87:1192 88:512 89:1814
90:139 91:5842 92:800 93:1658 94:1977 95:1353
96:422 97:338 98:1048 99:48 100:69 101:787
103:6293 104:822 105:186 106:194 107:873 108:612
109:2011 110:1060 111:1448 112:736 113:896 114:798
115:1236 116:1275 117:1013 118:1667 119:1370 120:420
121:990 122:2203 123:1703 124:1454 125:1568 128:654
129:384 130:384 131:1017 132:437 133:165 134:333
135:85 136:331 137:297 138:388 139:170 140:228
141:423 142:587 143:441 144:510 145:112 146:701
147:563 148:1029 149:407 150:534 151:587 152:474
153:248 154:294 155:654 156:389 157:333 158:252
159:920 160:366 161:615 162:1826 163:379 164:640
165:667 166:307 167:735 168:1161 169:130 170:1421
171:222 172:51 173:1580 174:710 175:592 176:1550
177:3666 178:2089 179:801 180:1824 181:1700 182:1705
183:530 184:723 185:2490 186:2954 187:1679 188:2000
189:1533 190:7929 191:855 192:7893 193:5565 194:4065
195:3631 196:1692 197:862 198:5398 199:5493 200:6538
201:2981 202:9461 203:8992 204:4689 205:2704 206:2995
207:2978 208:3914 209:3858 210:3484 211:1863 212:2495
213:2244 214:862 215:71 216:5571 217:1748 218:652
219:466 220:1303 221:774 222:457 223:643
End of report
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