[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri May 16 18:11:44 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 17 May, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 494425
Prefixes after maximum aggregation: 194026
Deaggregation factor: 2.55
Unique aggregates announced to Internet: 244746
Total ASes present in the Internet Routing Table: 46876
Prefixes per ASN: 10.55
Origin-only ASes present in the Internet Routing Table: 35819
Origin ASes announcing only one prefix: 16376
Transit ASes present in the Internet Routing Table: 6100
Transit-only ASes present in the Internet Routing Table: 178
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 53
Max AS path prepend of ASN ( 50404) 51
Prefixes from unregistered ASNs in the Routing Table: 1767
Unregistered ASNs in the Routing Table: 459
Number of 32-bit ASNs allocated by the RIRs: 6631
Number of 32-bit ASNs visible in the Routing Table: 4957
Prefixes from 32-bit ASNs in the Routing Table: 16579
Number of bogon 32-bit ASNs visible in the Routing Table: 123
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 455
Number of addresses announced to Internet: 2686157316
Equivalent to 160 /8s, 27 /16s and 130 /24s
Percentage of available address space announced: 72.6
Percentage of allocated address space announced: 72.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 96.4
Total number of prefixes smaller than registry allocations: 170913
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 117997
Total APNIC prefixes after maximum aggregation: 35118
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 120997
Unique aggregates announced from the APNIC address blocks: 50556
APNIC Region origin ASes present in the Internet Routing Table: 4941
APNIC Prefixes per ASN: 24.49
APNIC Region origin ASes announcing only one prefix: 1231
APNIC Region transit ASes present in the Internet Routing Table: 871
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 21
Number of APNIC region 32-bit ASNs visible in the Routing Table: 947
Number of APNIC addresses announced to Internet: 732831104
Equivalent to 43 /8s, 174 /16s and 29 /24s
Percentage of available APNIC address space announced: 85.6
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: 168161
Total ARIN prefixes after maximum aggregation: 83564
ARIN Deaggregation factor: 2.01
Prefixes being announced from the ARIN address blocks: 169653
Unique aggregates announced from the ARIN address blocks: 79930
ARIN Region origin ASes present in the Internet Routing Table: 16272
ARIN Prefixes per ASN: 10.43
ARIN Region origin ASes announcing only one prefix: 6124
ARIN Region transit ASes present in the Internet Routing Table: 1670
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 103
Number of ARIN addresses announced to Internet: 1075289472
Equivalent to 64 /8s, 23 /16s and 157 /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: 123140
Total RIPE prefixes after maximum aggregation: 62592
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 127720
Unique aggregates announced from the RIPE address blocks: 80508
RIPE Region origin ASes present in the Internet Routing Table: 17686
RIPE Prefixes per ASN: 7.22
RIPE Region origin ASes announcing only one prefix: 8272
RIPE Region transit ASes present in the Internet Routing Table: 2884
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: 2702
Number of RIPE addresses announced to Internet: 657675908
Equivalent to 39 /8s, 51 /16s and 86 /24s
Percentage of available RIPE address space announced: 95.6
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: 56577
Total LACNIC prefixes after maximum aggregation: 10060
LACNIC Deaggregation factor: 5.62
Prefixes being announced from the LACNIC address blocks: 63064
Unique aggregates announced from the LACNIC address blocks: 29007
LACNIC Region origin ASes present in the Internet Routing Table: 2098
LACNIC Prefixes per ASN: 30.06
LACNIC Region origin ASes announcing only one prefix: 541
LACNIC Region transit ASes present in the Internet Routing Table: 437
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1174
Number of LACNIC addresses announced to Internet: 161174912
Equivalent to 9 /8s, 155 /16s and 85 /24s
Percentage of available LACNIC address space announced: 96.1
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: 11859
Total AfriNIC prefixes after maximum aggregation: 2654
AfriNIC Deaggregation factor: 4.47
Prefixes being announced from the AfriNIC address blocks: 12536
Unique aggregates announced from the AfriNIC address blocks: 4364
AfriNIC Region origin ASes present in the Internet Routing Table: 718
AfriNIC Prefixes per ASN: 17.46
AfriNIC Region origin ASes announcing only one prefix: 208
AfriNIC Region transit ASes present in the Internet Routing Table: 152
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 31
Number of AfriNIC addresses announced to Internet: 55690496
Equivalent to 3 /8s, 81 /16s and 197 /24s
Percentage of available AfriNIC address space announced: 55.3
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 2946 11591 922 Korea Telecom
17974 2793 899 72 PT Telekomunikasi Indonesia
7545 2228 320 117 TPG Telecom Limited
4755 1852 396 199 TATA Communications formerly
9829 1645 1306 37 National Internet Backbone
9583 1315 104 543 Sify Limited
9498 1260 314 86 BHARTI Airtel Ltd.
7552 1223 1082 13 Viettel Corporation
4808 1219 2153 363 CNCGROUP IP network China169
24560 1129 389 183 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 2960 3688 53 BellSouth.net Inc.
22773 2438 2937 133 Cox Communications Inc.
1785 2206 701 135 PaeTec Communications, Inc.
18566 2047 379 178 MegaPath Corporation
20115 1706 1689 567 Charter Communications
4323 1632 1073 412 tw telecom holdings, inc.
701 1473 11159 746 MCI Communications Services,
30036 1407 306 549 Mediacom Communications Corp
6983 1327 800 306 ITC^Deltacom
22561 1306 402 232 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 1708 264 270 TELLCOM ILETISIM HIZMETLERI A
8402 1497 544 16 OJSC "Vimpelcom"
20940 1328 509 991 Akamai International B.V.
13188 1049 100 28 TOV "Bank-Inform"
31148 1018 45 19 Freenet Ltd.
8551 918 370 40 Bezeq International-Ltd
6849 823 357 28 JSC "Ukrtelecom"
6830 765 2333 427 Liberty Global Operations B.V
12479 722 797 56 France Telecom Espana SA
9198 569 344 25 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 3757 1990 99 NET Serviços de Comunicação S
10620 2853 461 202 Telmex Colombia S.A.
18881 1982 972 21 Global Village Telecom
7303 1753 1174 229 Telecom Argentina S.A.
8151 1403 2933 405 Uninet S.A. de C.V.
6503 1108 434 60 Axtel, S.A.B. de C.V.
7738 912 1754 39 Telemar Norte Leste S.A.
27947 876 114 50 Telconet S.A
26615 858 2325 35 Tim Celular S.A.
3816 817 334 136 COLOMBIA TELECOMUNICACIONES S
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 1114 240 6 Sudanese Mobile Telephone (ZA
24863 961 280 26 Link Egypt (Link.NET)
6713 615 727 32 Office National des Postes et
8452 577 958 13 TE-AS
24835 304 144 9 Vodafone Data
36992 301 783 24 ETISALAT MISR
3741 248 921 209 Internet Solutions
37054 241 19 6 Data Telecom Service
29571 229 22 16 Cote d'Ivoire Telecom
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 3757 1990 99 NET Serviços de Comunicação S
6389 2960 3688 53 BellSouth.net Inc.
4766 2946 11591 922 Korea Telecom
10620 2853 461 202 Telmex Colombia S.A.
17974 2793 899 72 PT Telekomunikasi Indonesia
22773 2438 2937 133 Cox Communications Inc.
7545 2228 320 117 TPG Telecom Limited
1785 2206 701 135 PaeTec Communications, Inc.
18566 2047 379 178 MegaPath Corporation
18881 1982 972 21 Global Village Telecom
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 2960 2907 BellSouth.net Inc.
17974 2793 2721 PT Telekomunikasi Indonesia
10620 2853 2651 Telmex Colombia S.A.
22773 2438 2305 Cox Communications Inc.
7545 2228 2111 TPG Telecom Limited
1785 2206 2071 PaeTec Communications, Inc.
4766 2946 2024 Korea Telecom
18881 1982 1961 Global Village Telecom
18566 2047 1869 MegaPath Corporation
4755 1852 1653 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
22511 UNALLOCATED 8.28.225.0/24 2828 XO Communications
22511 UNALLOCATED 8.36.68.0/24 2828 XO Communications
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
100.64.0.0/11 7922 Comcast Cable Communications,
100.64.111.0/24 25019 Autonomus System Number for S
100.96.0.0/12 7922 Comcast Cable Communications,
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
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<<
41.73.13.0/24 37004 >>UNKNOWN<<
41.73.14.0/24 37004 >>UNKNOWN<<
41.73.15.0/24 37004 >>UNKNOWN<<
41.73.16.0/24 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 /10:30 /11:91 /12:259
/13:486 /14:966 /15:1700 /16:12964 /17:6885 /18:11699
/19:24346 /20:34354 /21:36772 /22:52838 /23:46336 /24:262524
/25:775 /26:929 /27:390 /28:13 /29:20 /30:7
/31:1 /32:12
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2002 2047 MegaPath Corporation
6389 1692 2960 BellSouth.net Inc.
22773 1683 2438 Cox Communications Inc.
30036 1245 1407 Mediacom Communications Corp
8402 1182 1497 OJSC "Vimpelcom"
11492 1175 1215 CABLE ONE, INC.
1785 1166 2206 PaeTec Communications, Inc.
36998 1080 1114 Sudanese Mobile Telephone (ZA
6983 1044 1327 ITC^Deltacom
34984 1038 1708 TELLCOM ILETISIM HIZMETLERI A
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1123 2:670 3:3 4:15 5:1000 6:19
8:745 12:1843 13:4 14:997 15:13 16:2
17:32 18:21 20:36 23:820 24:1733 25:1
27:1751 31:1481 32:43 33:2 34:5 36:132
37:1882 38:959 39:8 40:203 41:3165 42:249
44:12 46:2042 47:19 49:703 50:933 52:12
54:47 55:6 57:29 58:1227 59:602 60:408
61:1539 62:1219 63:1962 64:4302 65:2290 66:4192
67:2068 68:1034 69:3332 70:855 71:449 72:2016
74:2652 75:323 76:419 77:1517 78:874 79:706
80:1291 81:1165 82:746 83:752 84:684 85:1294
86:462 87:1157 88:482 89:1829 90:140 91:5684
92:694 93:1712 94:2024 95:1494 96:524 97:364
98:1075 99:48 100:55 101:804 103:4848 105:536
106:170 107:601 108:578 109:2052 110:968 111:1295
112:651 113:846 114:897 115:1124 116:1094 117:941
118:1369 119:1337 120:383 121:811 122:2035 123:1321
124:1407 125:1398 128:582 129:341 130:346 131:661
132:401 133:162 134:321 135:74 136:254 137:296
138:350 139:170 140:214 141:373 142:569 143:464
144:501 145:104 146:624 147:476 148:893 149:355
150:173 151:791 152:420 153:218 154:279 155:484
156:334 157:336 158:240 159:900 160:329 161:542
162:1438 163:221 164:691 165:605 166:281 167:614
168:1050 169:123 170:1405 171:187 172:21 173:1654
174:707 175:599 176:1409 177:2929 178:1979 179:626
180:1730 181:1121 182:1558 183:526 184:700 185:1638
186:2784 187:1539 188:1895 189:1466 190:7511 191:291
192:7263 193:5495 194:4051 195:3497 196:1411 197:646
198:5049 199:5549 200:6273 201:2614 202:9037 203:8893
204:4644 205:2675 206:2935 207:2965 208:3991 209:3722
210:3098 211:1685 212:2295 213:2085 214:879 215:86
216:5511 217:1676 218:581 219:321 220:1291 221:610
222:353 223:580
End of report
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