[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Aug 1 18:12:11 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 02 Aug, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 505153
Prefixes after maximum aggregation: 196190
Deaggregation factor: 2.57
Unique aggregates announced to Internet: 248397
Total ASes present in the Internet Routing Table: 47367
Prefixes per ASN: 10.66
Origin-only ASes present in the Internet Routing Table: 36014
Origin ASes announcing only one prefix: 16383
Transit ASes present in the Internet Routing Table: 6123
Transit-only ASes present in the Internet Routing Table: 172
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 53
Max AS path prepend of ASN ( 50404) 51
Prefixes from unregistered ASNs in the Routing Table: 2030
Unregistered ASNs in the Routing Table: 452
Number of 32-bit ASNs allocated by the RIRs: 7109
Number of 32-bit ASNs visible in the Routing Table: 5230
Prefixes from 32-bit ASNs in the Routing Table: 18854
Number of bogon 32-bit ASNs visible in the Routing Table: 470
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 395
Number of addresses announced to Internet: 2710217476
Equivalent to 161 /8s, 138 /16s and 163 /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: 96.7
Total number of prefixes smaller than registry allocations: 173657
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 121721
Total APNIC prefixes after maximum aggregation: 35794
APNIC Deaggregation factor: 3.40
Prefixes being announced from the APNIC address blocks: 125436
Unique aggregates announced from the APNIC address blocks: 51941
APNIC Region origin ASes present in the Internet Routing Table: 4963
APNIC Prefixes per ASN: 25.27
APNIC Region origin ASes announcing only one prefix: 1228
APNIC Region transit ASes present in the Internet Routing Table: 875
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 24
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1025
Number of APNIC addresses announced to Internet: 734317184
Equivalent to 43 /8s, 196 /16s and 202 /24s
Percentage of available APNIC address space announced: 85.8
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-63999, 131072-133631
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: 169960
Total ARIN prefixes after maximum aggregation: 84347
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 171799
Unique aggregates announced from the ARIN address blocks: 80066
ARIN Region origin ASes present in the Internet Routing Table: 16335
ARIN Prefixes per ASN: 10.52
ARIN Region origin ASes announcing only one prefix: 6120
ARIN Region transit ASes present in the Internet Routing Table: 1688
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 154
Number of ARIN addresses announced to Internet: 1090570752
Equivalent to 65 /8s, 0 /16s and 202 /24s
Percentage of available ARIN address space announced: 57.7
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: 124402
Total RIPE prefixes after maximum aggregation: 62985
RIPE Deaggregation factor: 1.98
Prefixes being announced from the RIPE address blocks: 129274
Unique aggregates announced from the RIPE address blocks: 81810
RIPE Region origin ASes present in the Internet Routing Table: 17723
RIPE Prefixes per ASN: 7.29
RIPE Region origin ASes announcing only one prefix: 8256
RIPE Region transit ASes present in the Internet Routing Table: 2873
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 53
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2727
Number of RIPE addresses announced to Internet: 659039108
Equivalent to 39 /8s, 72 /16s and 35 /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: 58761
Total LACNIC prefixes after maximum aggregation: 10289
LACNIC Deaggregation factor: 5.71
Prefixes being announced from the LACNIC address blocks: 66487
Unique aggregates announced from the LACNIC address blocks: 29734
LACNIC Region origin ASes present in the Internet Routing Table: 2191
LACNIC Prefixes per ASN: 30.35
LACNIC Region origin ASes announcing only one prefix: 566
LACNIC Region transit ASes present in the Internet Routing Table: 454
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 23
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1276
Number of LACNIC addresses announced to Internet: 167649792
Equivalent to 9 /8s, 254 /16s and 34 /24s
Percentage of available LACNIC address space announced: 99.9
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 262144-263679 plus 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: 11040
Total AfriNIC prefixes after maximum aggregation: 2738
AfriNIC Deaggregation factor: 4.03
Prefixes being announced from the AfriNIC address blocks: 11762
Unique aggregates announced from the AfriNIC address blocks: 4506
AfriNIC Region origin ASes present in the Internet Routing Table: 728
AfriNIC Prefixes per ASN: 16.16
AfriNIC Region origin ASes announcing only one prefix: 213
AfriNIC Region transit ASes present in the Internet Routing Table: 159
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 48
Number of AfriNIC addresses announced to Internet: 58252288
Equivalent to 3 /8s, 120 /16s and 220 /24s
Percentage of available AfriNIC address space announced: 57.9
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 2948 11590 919 Korea Telecom
17974 2801 899 72 PT Telekomunikasi Indonesia
7545 2331 320 118 TPG Telecom Limited
4755 1866 392 200 TATA Communications formerly
9829 1649 1306 31 National Internet Backbone
9583 1313 103 535 Sify Limited
9498 1298 317 93 BHARTI Airtel Ltd.
7552 1235 1098 14 Viettel Corporation
4808 1207 2155 372 CNCGROUP IP network China169
24560 1153 399 191 Bharti Airtel Ltd., Telemedia
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 2943 3688 51 BellSouth.net Inc.
7029 2771 1905 301 Windstream Communications Inc
22773 2729 2940 141 Cox Communications Inc.
18566 2047 379 178 MegaPath Corporation
20115 1745 1731 546 Charter Communications
4323 1631 1072 411 tw telecom holdings, inc.
30036 1497 322 576 Mediacom Communications Corp
701 1438 11203 726 MCI Communications Services,
6983 1390 817 313 ITC^Deltacom
22561 1305 406 233 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 1720 265 277 TELLCOM ILETISIM HIZMETLERI A
20940 1447 563 1062 Akamai International B.V.
8402 1249 544 15 OJSC "Vimpelcom"
13188 1062 100 30 TOV "Bank-Inform"
31148 1041 45 19 Freenet Ltd.
8551 994 371 42 Bezeq International-Ltd
6849 819 356 27 JSC "Ukrtelecom"
6830 776 2335 432 Liberty Global Operations B.V
12479 767 796 59 France Telecom Espana SA
9198 598 346 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 3778 2030 111 NET Serviços de Comunicação S
10620 2939 476 214 Telmex Colombia S.A.
18881 2062 1036 22 Global Village Telecom
7303 1770 1179 237 Telecom Argentina S.A.
8151 1437 2982 418 Uninet S.A. de C.V.
6503 1090 434 62 Axtel, S.A.B. de C.V.
6147 1043 373 28 Telefonica del Peru S.A.A.
7738 977 1882 41 Telemar Norte Leste S.A.
27947 892 130 53 Telconet S.A
26615 860 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
24863 913 280 26 Link Egypt (Link.NET)
6713 673 744 37 Office National des Postes et
8452 594 958 13 TE-AS
36992 310 784 26 ETISALAT MISR
24835 306 144 9 Vodafone Data
3741 249 920 212 Internet Solutions
29571 236 22 17 Cote d'Ivoire Telecom
37054 232 19 6 Data Telecom Service
15706 187 32 6 Sudatel (Sudan Telecom Co. Lt
12258 177 27 68 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 3778 2030 111 NET Serviços de Comunicação S
4766 2948 11590 919 Korea Telecom
6389 2943 3688 51 BellSouth.net Inc.
10620 2939 476 214 Telmex Colombia S.A.
17974 2801 899 72 PT Telekomunikasi Indonesia
7029 2771 1905 301 Windstream Communications Inc
22773 2729 2940 141 Cox Communications Inc.
7545 2331 320 118 TPG Telecom Limited
18881 2062 1036 22 Global Village Telecom
18566 2047 379 178 MegaPath Corporation
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 2943 2892 BellSouth.net Inc.
17974 2801 2729 PT Telekomunikasi Indonesia
10620 2939 2725 Telmex Colombia S.A.
22773 2729 2588 Cox Communications Inc.
7029 2771 2470 Windstream Communications Inc
7545 2331 2213 TPG Telecom Limited
18881 2062 2040 Global Village Telecom
4766 2948 2029 Korea Telecom
18566 2047 1869 MegaPath Corporation
4755 1866 1666 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
65456 PRIVATE 5.109.32.0/19 23456 32bit Transition AS
65456 PRIVATE 5.109.96.0/19 23456 32bit Transition AS
30662 UNALLOCATED 8.2.129.0/24 3356 Level 3 Communicatio
53506 UNALLOCATED 8.17.102.0/23 2828 XO Communications
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
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.226.240.0/20 40430 colo4jax, LLC
23.226.240.0/21 40430 colo4jax, LLC
23.226.248.0/21 40430 colo4jax, LLC
24.231.96.0/24 21548 MTO Telecom Inc.
27.100.7.0/24 56096 >>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 /9:13 /10:30 /11:91 /12:259
/13:498 /14:982 /15:1704 /16:13037 /17:7026 /18:11700
/19:24678 /20:35148 /21:37559 /22:54349 /23:47682 /24:268329
/25:798 /26:808 /27:389 /28:13 /29:18 /30:10
/31:1 /32:15
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2002 2047 MegaPath Corporation
22773 1972 2729 Cox Communications Inc.
6389 1691 2943 BellSouth.net Inc.
7029 1481 2771 Windstream Communications Inc
30036 1338 1497 Mediacom Communications Corp
11492 1185 1237 CABLE ONE, INC.
6983 1096 1390 ITC^Deltacom
34984 1048 1720 TELLCOM ILETISIM HIZMETLERI A
10620 1029 2939 Telmex Colombia S.A.
22561 1003 1305 CenturyTel Internet Holdings,
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1315 2:657 3:3 4:15 5:1049 6:21
8:713 12:1854 13:4 14:1106 15:15 16:2
17:40 18:21 20:36 23:878 24:1748 27:1756
31:1470 32:41 33:2 34:5 36:140 37:1826
38:960 39:7 40:210 41:2663 42:259 43:156
44:15 45:45 46:2092 47:24 49:728 50:830
52:12 54:47 55:6 56:3 57:30 58:1218
59:614 60:424 61:1591 62:1251 63:1852 64:4363
65:2325 66:4229 67:2062 68:1054 69:3338 70:890
71:462 72:2020 74:2624 75:337 76:415 77:1654
78:804 79:704 80:1313 81:1217 82:769 83:771
84:768 85:1320 86:414 87:1146 88:467 89:1786
90:139 91:5713 92:771 93:1763 94:2028 95:1615
96:509 97:361 98:1109 99:49 100:65 101:700
103:5323 104:151 105:36 106:174 107:577 108:582
109:2009 110:1022 111:1333 112:666 113:857 114:772
115:1109 116:1116 117:1016 118:1503 119:1421 120:411
121:853 122:2157 123:1471 124:1427 125:1561 128:573
129:343 130:362 131:680 132:391 133:162 134:322
135:76 136:299 137:289 138:370 139:170 140:210
141:387 142:559 143:412 144:502 145:107 146:652
147:501 148:903 149:404 150:393 151:607 152:448
153:220 154:321 155:521 156:354 157:344 158:271
159:936 160:326 161:572 162:1671 163:332 164:694
165:630 166:344 167:674 168:1115 169:122 170:1380
171:183 172:62 173:1534 174:711 175:618 176:1415
177:3375 178:2073 179:789 180:1783 181:1323 182:1615
183:538 184:702 185:1909 186:2913 187:1652 188:2162
189:1471 190:7647 191:665 192:7444 193:5506 194:4045
195:3566 196:1430 197:668 198:5112 199:5545 200:6322
201:2735 202:9169 203:8997 204:4551 205:2636 206:2966
207:2950 208:3969 209:3745 210:3167 211:1750 212:2316
213:2115 214:878 215:86 216:5705 217:1683 218:615
219:331 220:1282 221:626 222:358 223:597
End of report
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