[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Dec 27 18:12:26 UTC 2013
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 28 Dec, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 476821
Prefixes after maximum aggregation: 190476
Deaggregation factor: 2.50
Unique aggregates announced to Internet: 236639
Total ASes present in the Internet Routing Table: 45824
Prefixes per ASN: 10.41
Origin-only ASes present in the Internet Routing Table: 35504
Origin ASes announcing only one prefix: 16271
Transit ASes present in the Internet Routing Table: 5971
Transit-only ASes present in the Internet Routing Table: 176
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: 2660
Unregistered ASNs in the Routing Table: 629
Number of 32-bit ASNs allocated by the RIRs: 5609
Number of 32-bit ASNs visible in the Routing Table: 4349
Prefixes from 32-bit ASNs in the Routing Table: 13678
Number of bogon 32-bit ASNs visible in the Routing Table: 1
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 1520
Number of addresses announced to Internet: 2661350716
Equivalent to 158 /8s, 160 /16s and 253 /24s
Percentage of available address space announced: 71.9
Percentage of allocated address space announced: 71.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.4
Total number of prefixes smaller than registry allocations: 166420
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 113329
Total APNIC prefixes after maximum aggregation: 34207
APNIC Deaggregation factor: 3.31
Prefixes being announced from the APNIC address blocks: 115615
Unique aggregates announced from the APNIC address blocks: 48424
APNIC Region origin ASes present in the Internet Routing Table: 4874
APNIC Prefixes per ASN: 23.72
APNIC Region origin ASes announcing only one prefix: 1207
APNIC Region transit ASes present in the Internet Routing Table: 836
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 800
Number of APNIC addresses announced to Internet: 729291968
Equivalent to 43 /8s, 120 /16s and 28 /24s
Percentage of available APNIC address space announced: 85.2
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: 163452
Total ARIN prefixes after maximum aggregation: 81927
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 164176
Unique aggregates announced from the ARIN address blocks: 75931
ARIN Region origin ASes present in the Internet Routing Table: 15934
ARIN Prefixes per ASN: 10.30
ARIN Region origin ASes announcing only one prefix: 5997
ARIN Region transit ASes present in the Internet Routing Table: 1667
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 50
Number of ARIN addresses announced to Internet: 1075567744
Equivalent to 64 /8s, 27 /16s and 220 /24s
Percentage of available ARIN address space announced: 56.9
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: 120144
Total RIPE prefixes after maximum aggregation: 61394
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123813
Unique aggregates announced from the RIPE address blocks: 79385
RIPE Region origin ASes present in the Internet Routing Table: 17585
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8311
RIPE Region transit ASes present in the Internet Routing Table: 2835
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 53
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2547
Number of RIPE addresses announced to Internet: 655655812
Equivalent to 39 /8s, 20 /16s and 131 /24s
Percentage of available RIPE address space announced: 95.3
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, 196608-200191
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: 53629
Total LACNIC prefixes after maximum aggregation: 10074
LACNIC Deaggregation factor: 5.32
Prefixes being announced from the LACNIC address blocks: 59123
Unique aggregates announced from the LACNIC address blocks: 27515
LACNIC Region origin ASes present in the Internet Routing Table: 2060
LACNIC Prefixes per ASN: 28.70
LACNIC Region origin ASes announcing only one prefix: 548
LACNIC Region transit ASes present in the Internet Routing Table: 405
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 944
Number of LACNIC addresses announced to Internet: 147391160
Equivalent to 8 /8s, 201 /16s and 2 /24s
Percentage of available LACNIC address space announced: 87.9
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: 11810
Total AfriNIC prefixes after maximum aggregation: 2621
AfriNIC Deaggregation factor: 4.51
Prefixes being announced from the AfriNIC address blocks: 12574
Unique aggregates announced from the AfriNIC address blocks: 4208
AfriNIC Region origin ASes present in the Internet Routing Table: 699
AfriNIC Prefixes per ASN: 17.99
AfriNIC Region origin ASes announcing only one prefix: 208
AfriNIC Region transit ASes present in the Internet Routing Table: 146
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: 8
Number of AfriNIC addresses announced to Internet: 48542656
Equivalent to 2 /8s, 228 /16s and 179 /24s
Percentage of available AfriNIC address space announced: 48.2
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 2946 11558 952 Korea Telecom
17974 2732 902 88 PT Telekomunikasi Indonesia
7545 2121 319 112 TPG Telecom Limited
4755 1810 392 191 TATA Communications formerly
9829 1559 1251 42 National Internet Backbone
9583 1293 100 537 Sify Limited
9498 1235 309 71 BHARTI Airtel Ltd.
7552 1219 1080 13 Viettel Corporation
4808 1138 2120 346 CNCGROUP IP network China169
24560 1098 382 167 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 3027 3688 53 BellSouth.net Inc.
22773 2320 2939 139 Cox Communications Inc.
1785 2146 686 131 PaeTec Communications, Inc.
18566 2050 379 178 MegaPath Corporation
20115 1682 1664 594 Charter Communications
4323 1629 1081 412 tw telecom holdings, inc.
701 1507 11144 778 MCI Communications Services,
30036 1375 309 574 Mediacom Communications Corp
7018 1309 17746 848 AT&T Services, Inc.
6983 1295 756 580 ITC^Deltacom
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
8402 1868 544 16 OJSC "Vimpelcom"
34984 1359 243 225 TELLCOM ILETISIM HIZMETLERI A
20940 1210 456 913 Akamai International B.V.
31148 1012 45 20 Freenet Ltd.
13188 919 99 41 TOV "Bank-Inform"
6849 860 363 38 JSC "Ukrtelecom"
8551 848 370 38 Bezeq International-Ltd
6830 771 2327 424 Liberty Global Operations B.V
12479 685 798 53 France Telecom Espana SA
35228 551 246 16 Telefonica UK Limited
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 3420 1839 100 NET Serviços de Comunicação S
10620 2691 435 209 Telmex Colombia S.A.
18881 1789 908 20 Global Village Telecom
7303 1743 1163 230 Telecom Argentina S.A.
8151 1373 2857 430 Uninet S.A. de C.V.
11830 868 364 15 Instituto Costarricense de El
27947 858 93 89 Telconet S.A
7738 813 1562 37 Telemar Norte Leste S.A.
6503 791 434 60 Axtel, S.A.B. de C.V.
6147 786 373 27 Telefonica del Peru S.A.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
36998 1819 112 5 Sudanese Mobile Telephone (ZA
24863 890 338 26 Link Egypt (Link.NET)
6713 600 653 27 Office National des Postes et
8452 420 956 9 TE-AS
24835 299 144 9 Vodafone Data
3741 247 921 209 Internet Solutions
29571 240 21 14 Cote d'Ivoire Telecom
36992 224 501 29 ETISALAT MISR
15706 219 32 6 Sudatel (Sudan Telecom Co. Lt
29975 192 668 21 Vodacom
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 3420 1839 100 NET Serviços de Comunicação S
6389 3027 3688 53 BellSouth.net Inc.
4766 2946 11558 952 Korea Telecom
17974 2732 902 88 PT Telekomunikasi Indonesia
10620 2691 435 209 Telmex Colombia S.A.
22773 2320 2939 139 Cox Communications Inc.
1785 2146 686 131 PaeTec Communications, Inc.
7545 2121 319 112 TPG Telecom Limited
18566 2050 379 178 MegaPath Corporation
8402 1868 544 16 OJSC "Vimpelcom"
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 3027 2974 BellSouth.net Inc.
17974 2732 2644 PT Telekomunikasi Indonesia
10620 2691 2482 Telmex Colombia S.A.
22773 2320 2181 Cox Communications Inc.
1785 2146 2015 PaeTec Communications, Inc.
7545 2121 2009 TPG Telecom Limited
4766 2946 1994 Korea Telecom
18566 2050 1872 MegaPath Corporation
8402 1868 1852 OJSC "Vimpelcom"
36998 1819 1814 Sudanese Mobile Telephone (ZA
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
14728 UNALLOCATED 8.8.192.0/23 3356 Level 3 Communicatio
14728 UNALLOCATED 8.8.196.0/22 3356 Level 3 Communicatio
14728 UNALLOCATED 8.8.200.0/23 3356 Level 3 Communicatio
14728 UNALLOCATED 8.8.202.0/23 3356 Level 3 Communicatio
53506 UNALLOCATED 8.17.102.0/23 2828 XO Communications
62828 UNALLOCATED 8.21.130.0/24 4323 tw telecom holdings,
62850 UNALLOCATED 8.25.147.0/24 46887 Lightower Fiber Netw
20260 UNALLOCATED 8.25.160.0/24 3356 Level 3 Communicatio
20260 UNALLOCATED 8.25.161.0/24 3356 Level 3 Communicatio
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.90.128.0/18 27418 OUTOFWALL INC.
23.91.0.0/19 40676 Psychz Networks
23.91.14.0/24 40676 Psychz Networks
23.91.32.0/19 36315 Servpac Inc.
23.91.80.0/20 21560 Netstream Communications, LLC
23.91.96.0/20 37958 Beijing Blue I.T Technologies
23.91.112.0/21 32475 SingleHop
23.91.120.0/21 36351 SoftLayer Technologies Inc.
23.91.160.0/19 36493 FIBERNETICS CORPORATION
23.91.160.0/22 36493 FIBERNETICS CORPORATION
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 /9:11 /10:31 /11:92 /12:253
/13:473 /14:939 /15:1639 /16:12867 /17:6772 /18:11420
/19:23245 /20:33090 /21:35784 /22:50691 /23:44145 /24:253000
/25:803 /26:956 /27:436 /28:47 /29:71 /30:26
/31:0 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2005 2050 MegaPath Corporation
36998 1786 1819 Sudanese Mobile Telephone (ZA
6389 1699 3027 BellSouth.net Inc.
22773 1564 2320 Cox Communications Inc.
8402 1556 1868 OJSC "Vimpelcom"
30036 1216 1375 Mediacom Communications Corp
1785 1163 2146 PaeTec Communications, Inc.
11492 1148 1185 CABLE ONE, INC.
6983 1037 1295 ITC^Deltacom
22561 977 1252 CenturyTel Internet Holdings,
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:927 2:858 3:3 4:16 5:839 6:21
8:637 12:1878 13:3 14:899 15:9 16:3
17:20 18:19 20:36 23:638 24:1752 27:1705
31:1518 32:46 33:2 34:5 36:105 37:1933
38:919 39:3 40:182 41:3336 42:243 44:14
46:2110 47:10 49:706 50:841 52:12 54:44
55:5 56:4 57:26 58:1138 59:590 60:370
61:1495 62:1232 63:1980 64:4380 65:2329 66:4133
67:2101 68:1086 69:3311 70:909 71:511 72:2023
74:2585 75:322 76:305 77:1184 78:1030 79:678
80:1278 81:1077 82:644 83:755 84:640 85:1232
86:402 87:1016 88:521 89:1576 90:150 91:5738
92:620 93:1618 94:2100 95:1483 96:532 97:351
98:1085 99:41 100:32 101:693 103:3882 105:534
106:144 107:258 108:548 109:2036 110:975 111:1135
112:613 113:816 114:763 115:1049 116:1018 117:832
118:1249 119:1297 120:340 121:772 122:1884 123:1289
124:1395 125:1455 128:655 129:234 130:357 131:667
132:343 133:159 134:312 135:73 136:277 137:251
138:354 139:172 140:202 141:349 142:553 143:405
144:497 145:92 146:566 147:428 148:790 149:359
150:153 151:484 152:410 153:205 154:49 155:520
156:314 157:418 158:287 159:808 160:356 161:459
162:959 163:231 164:663 165:582 166:281 167:641
168:1038 169:123 170:1150 171:185 172:12 173:1705
174:675 175:550 176:1359 177:2637 178:1911 179:340
180:1609 181:915 182:1422 183:477 184:630 185:1170
186:2790 187:1445 188:1952 189:1259 190:7313 191:16
192:7091 193:5442 194:4030 195:3408 196:1345 197:1085
198:4814 199:5531 200:6059 201:2553 202:9013 203:8934
204:4536 205:2642 206:2909 207:2811 208:3951 209:3707
210:3076 211:1633 212:2171 213:1974 214:875 215:85
216:5427 217:1702 218:622 219:323 220:1267 221:587
222:348 223:564
End of report
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