[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jan 17 18:13:24 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 18 Jan, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 477794
Prefixes after maximum aggregation: 190510
Deaggregation factor: 2.51
Unique aggregates announced to Internet: 236762
Total ASes present in the Internet Routing Table: 45894
Prefixes per ASN: 10.41
Origin-only ASes present in the Internet Routing Table: 35494
Origin ASes announcing only one prefix: 16273
Transit ASes present in the Internet Routing Table: 5985
Transit-only ASes present in the Internet Routing Table: 171
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: 2683
Unregistered ASNs in the Routing Table: 638
Number of 32-bit ASNs allocated by the RIRs: 5697
Number of 32-bit ASNs visible in the Routing Table: 4415
Prefixes from 32-bit ASNs in the Routing Table: 13942
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: 1907
Number of addresses announced to Internet: 2658908708
Equivalent to 158 /8s, 123 /16s and 186 /24s
Percentage of available address space announced: 71.8
Percentage of allocated address space announced: 71.8
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: 166098
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 113736
Total APNIC prefixes after maximum aggregation: 34266
APNIC Deaggregation factor: 3.32
Prefixes being announced from the APNIC address blocks: 116142
Unique aggregates announced from the APNIC address blocks: 48679
APNIC Region origin ASes present in the Internet Routing Table: 4871
APNIC Prefixes per ASN: 23.84
APNIC Region origin ASes announcing only one prefix: 1215
APNIC Region transit ASes present in the Internet Routing Table: 835
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: 805
Number of APNIC addresses announced to Internet: 729226752
Equivalent to 43 /8s, 119 /16s and 30 /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: 163574
Total ARIN prefixes after maximum aggregation: 81969
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 164087
Unique aggregates announced from the ARIN address blocks: 75843
ARIN Region origin ASes present in the Internet Routing Table: 15929
ARIN Prefixes per ASN: 10.30
ARIN Region origin ASes announcing only one prefix: 5981
ARIN Region transit ASes present in the Internet Routing Table: 1672
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: 57
Number of ARIN addresses announced to Internet: 1070986112
Equivalent to 63 /8s, 213 /16s and 243 /24s
Percentage of available ARIN address space announced: 56.7
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: 120201
Total RIPE prefixes after maximum aggregation: 61464
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123838
Unique aggregates announced from the RIPE address blocks: 79301
RIPE Region origin ASes present in the Internet Routing Table: 17579
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8322
RIPE Region transit ASes present in the Internet Routing Table: 2841
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: 2572
Number of RIPE addresses announced to Internet: 655129732
Equivalent to 39 /8s, 12 /16s and 124 /24s
Percentage of available RIPE address space announced: 95.2
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: 53681
Total LACNIC prefixes after maximum aggregation: 9906
LACNIC Deaggregation factor: 5.42
Prefixes being announced from the LACNIC address blocks: 59214
Unique aggregates announced from the LACNIC address blocks: 27413
LACNIC Region origin ASes present in the Internet Routing Table: 2058
LACNIC Prefixes per ASN: 28.77
LACNIC Region origin ASes announcing only one prefix: 553
LACNIC Region transit ASes present in the Internet Routing Table: 402
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: 972
Number of LACNIC addresses announced to Internet: 148257824
Equivalent to 8 /8s, 214 /16s and 60 /24s
Percentage of available LACNIC address space announced: 88.4
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: 11827
Total AfriNIC prefixes after maximum aggregation: 2607
AfriNIC Deaggregation factor: 4.54
Prefixes being announced from the AfriNIC address blocks: 12606
Unique aggregates announced from the AfriNIC address blocks: 4071
AfriNIC Region origin ASes present in the Internet Routing Table: 699
AfriNIC Prefixes per ASN: 18.03
AfriNIC Region origin ASes announcing only one prefix: 202
AfriNIC Region transit ASes present in the Internet Routing Table: 147
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 9
Number of AfriNIC addresses announced to Internet: 49673728
Equivalent to 2 /8s, 245 /16s and 246 /24s
Percentage of available AfriNIC address space announced: 49.3
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 2941 11558 953 Korea Telecom
17974 2738 902 88 PT Telekomunikasi Indonesia
7545 2139 320 115 TPG Telecom Limited
4755 1812 392 193 TATA Communications formerly
9829 1574 1266 43 National Internet Backbone
9583 1297 101 533 Sify Limited
7552 1233 1080 13 Viettel Corporation
9498 1213 309 68 BHARTI Airtel Ltd.
4808 1158 2121 348 CNCGROUP IP network China169
24560 1093 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 3028 3688 53 BellSouth.net Inc.
22773 2321 2940 139 Cox Communications Inc.
1785 2151 688 133 PaeTec Communications, Inc.
18566 2048 379 178 MegaPath Corporation
20115 1681 1665 587 Charter Communications
4323 1629 1082 412 tw telecom holdings, inc.
701 1503 11158 772 MCI Communications Services,
30036 1377 297 571 Mediacom Communications Corp
7018 1302 17747 846 AT&T Services, Inc.
6983 1295 756 581 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 1856 544 16 OJSC "Vimpelcom"
34984 1367 244 224 TELLCOM ILETISIM HIZMETLERI A
20940 1220 459 919 Akamai International B.V.
13188 1039 100 26 TOV "Bank-Inform"
31148 1013 45 21 Freenet Ltd.
6849 883 363 38 JSC "Ukrtelecom"
8551 849 370 38 Bezeq International-Ltd
6830 769 2327 424 Liberty Global Operations B.V
12479 692 797 55 France Telecom Espana SA
35228 552 246 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 3443 1861 77 NET Serviços de Comunicação S
10620 2701 436 205 Telmex Colombia S.A.
18881 1810 909 21 Global Village Telecom
7303 1741 1164 220 Telecom Argentina S.A.
8151 1387 2880 429 Uninet S.A. de C.V.
11830 869 364 15 Instituto Costarricense de El
7738 846 1626 38 Telemar Norte Leste S.A.
27947 837 93 94 Telconet S.A
6503 836 434 61 Axtel, S.A.B. de C.V.
6147 777 373 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 1805 112 5 Sudanese Mobile Telephone (ZA
24863 904 380 28 Link Egypt (Link.NET)
6713 600 653 27 Office National des Postes et
8452 468 956 9 TE-AS
24835 298 144 9 Vodafone Data
3741 247 921 209 Internet Solutions
29571 239 21 14 Cote d'Ivoire Telecom
36992 237 783 24 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 3443 1861 77 NET Serviços de Comunicação S
6389 3028 3688 53 BellSouth.net Inc.
4766 2941 11558 953 Korea Telecom
17974 2738 902 88 PT Telekomunikasi Indonesia
10620 2701 436 205 Telmex Colombia S.A.
22773 2321 2940 139 Cox Communications Inc.
1785 2151 688 133 PaeTec Communications, Inc.
7545 2139 320 115 TPG Telecom Limited
18566 2048 379 178 MegaPath Corporation
8402 1856 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 3028 2975 BellSouth.net Inc.
17974 2738 2650 PT Telekomunikasi Indonesia
10620 2701 2496 Telmex Colombia S.A.
22773 2321 2182 Cox Communications Inc.
7545 2139 2024 TPG Telecom Limited
1785 2151 2018 PaeTec Communications, Inc.
4766 2941 1988 Korea Telecom
18566 2048 1870 MegaPath Corporation
8402 1856 1840 OJSC "Vimpelcom"
36998 1805 1800 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 40676 Psychz Networks
23.91.112.0/21 32475 SingleHop
23.91.120.0/21 36351 SoftLayer Technologies Inc.
23.91.128.0/19 5645 TekSavvy Solutions, Inc.
23.91.160.0/19 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 /10:30 /11:92 /12:253
/13:475 /14:947 /15:1644 /16:12849 /17:6802 /18:11458
/19:23434 /20:33165 /21:35851 /22:50929 /23:44223 /24:253415
/25:787 /26:945 /27:426 /28:12 /29:14 /30:7
/31:0 /32:9
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2003 2048 MegaPath Corporation
36998 1771 1805 Sudanese Mobile Telephone (ZA
6389 1698 3028 BellSouth.net Inc.
22773 1565 2321 Cox Communications Inc.
8402 1543 1856 OJSC "Vimpelcom"
30036 1217 1377 Mediacom Communications Corp
1785 1163 2151 PaeTec Communications, Inc.
11492 1157 1194 CABLE ONE, INC.
6983 1036 1295 ITC^Deltacom
31148 957 1013 Freenet Ltd.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:935 2:839 3:3 4:15 5:860 6:21
8:634 12:1872 13:3 14:910 15:9 16:3
17:23 18:19 20:36 23:659 24:1751 27:1729
31:1522 32:44 33:2 34:5 36:112 37:1907
38:917 39:3 40:184 41:3301 42:243 44:14
46:2124 47:12 49:670 50:842 52:12 54:44
55:5 56:4 57:26 58:1136 59:594 60:370
61:1500 62:1211 63:1947 64:4372 65:2315 66:4132
67:2057 68:1080 69:3286 70:913 71:501 72:2037
74:2596 75:314 76:308 77:1151 78:1014 79:688
80:1308 81:1078 82:681 83:740 84:649 85:1219
86:429 87:1020 88:510 89:1593 90:145 91:5699
92:646 93:1582 94:2102 95:1478 96:533 97:350
98:1068 99:41 100:29 101:711 103:3968 105:534
106:142 107:380 108:548 109:2039 110:978 111:1207
112:609 113:820 114:774 115:1076 116:1015 117:835
118:1239 119:1296 120:326 121:787 122:1916 123:1268
124:1393 125:1450 128:665 129:236 130:345 131:663
132:353 133:159 134:312 135:74 136:281 137:314
138:351 139:143 140:199 141:354 142:552 143:406
144:500 145:93 146:566 147:432 148:793 149:360
150:149 151:476 152:414 153:206 154:52 155:528
156:317 157:420 158:293 159:831 160:361 161:471
162:1032 163:232 164:668 165:590 166:271 167:639
168:1042 169:123 170:1169 171:187 172:12 173:1640
174:680 175:559 176:1360 177:2633 178:1946 179:392
180:1617 181:939 182:1418 183:499 184:636 185:1187
186:2795 187:1440 188:1965 189:1277 190:7326 191:9
192:7038 193:5417 194:4017 195:3384 196:1353 197:1084
198:4823 199:5539 200:6058 201:2536 202:9070 203:8904
204:4509 205:2639 206:2893 207:2846 208:3947 209:3716
210:3078 211:1624 212:2154 213:1972 214:883 215:83
216:5425 217:1726 218:610 219:324 220:1268 221:593
222:334 223:569
End of report
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