[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri May 2 18:12:23 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 03 May, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 493507
Prefixes after maximum aggregation: 193714
Deaggregation factor: 2.55
Unique aggregates announced to Internet: 244007
Total ASes present in the Internet Routing Table: 46734
Prefixes per ASN: 10.56
Origin-only ASes present in the Internet Routing Table: 35795
Origin ASes announcing only one prefix: 16388
Transit ASes present in the Internet Routing Table: 6056
Transit-only ASes present in the Internet Routing Table: 170
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: 1837
Unregistered ASNs in the Routing Table: 459
Number of 32-bit ASNs allocated by the RIRs: 6508
Number of 32-bit ASNs visible in the Routing Table: 4883
Prefixes from 32-bit ASNs in the Routing Table: 16259
Number of bogon 32-bit ASNs visible in the Routing Table: 133
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 441
Number of addresses announced to Internet: 2678216965
Equivalent to 159 /8s, 162 /16s and 89 /24s
Percentage of available address space announced: 72.3
Percentage of allocated address space announced: 72.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 96.3
Total number of prefixes smaller than registry allocations: 171214
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 117313
Total APNIC prefixes after maximum aggregation: 34942
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 120226
Unique aggregates announced from the APNIC address blocks: 50108
APNIC Region origin ASes present in the Internet Routing Table: 4923
APNIC Prefixes per ASN: 24.42
APNIC Region origin ASes announcing only one prefix: 1231
APNIC Region transit ASes present in the Internet Routing Table: 860
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 931
Number of APNIC addresses announced to Internet: 732419201
Equivalent to 43 /8s, 167 /16s and 212 /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: 168115
Total ARIN prefixes after maximum aggregation: 83465
ARIN Deaggregation factor: 2.01
Prefixes being announced from the ARIN address blocks: 169561
Unique aggregates announced from the ARIN address blocks: 79577
ARIN Region origin ASes present in the Internet Routing Table: 16243
ARIN Prefixes per ASN: 10.44
ARIN Region origin ASes announcing only one prefix: 6118
ARIN Region transit ASes present in the Internet Routing Table: 1663
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: 96
Number of ARIN addresses announced to Internet: 1074634880
Equivalent to 64 /8s, 13 /16s and 160 /24s
Percentage of available ARIN address space announced: 56.8
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: 123413
Total RIPE prefixes after maximum aggregation: 62512
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 127972
Unique aggregates announced from the RIPE address blocks: 80777
RIPE Region origin ASes present in the Internet Routing Table: 17675
RIPE Prefixes per ASN: 7.24
RIPE Region origin ASes announcing only one prefix: 8280
RIPE Region transit ASes present in the Internet Routing Table: 2868
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: 2698
Number of RIPE addresses announced to Internet: 657606020
Equivalent to 39 /8s, 50 /16s and 69 /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: 56426
Total LACNIC prefixes after maximum aggregation: 10071
LACNIC Deaggregation factor: 5.60
Prefixes being announced from the LACNIC address blocks: 62759
Unique aggregates announced from the LACNIC address blocks: 28862
LACNIC Region origin ASes present in the Internet Routing Table: 2095
LACNIC Prefixes per ASN: 29.96
LACNIC Region origin ASes announcing only one prefix: 550
LACNIC Region transit ASes present in the Internet Routing Table: 430
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 34
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1133
Number of LACNIC addresses announced to Internet: 159008128
Equivalent to 9 /8s, 122 /16s and 69 /24s
Percentage of available LACNIC address space announced: 94.8
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: 11875
Total AfriNIC prefixes after maximum aggregation: 2687
AfriNIC Deaggregation factor: 4.42
Prefixes being announced from the AfriNIC address blocks: 12548
Unique aggregates announced from the AfriNIC address blocks: 4311
AfriNIC Region origin ASes present in the Internet Routing Table: 720
AfriNIC Prefixes per ASN: 17.43
AfriNIC Region origin ASes announcing only one prefix: 209
AfriNIC Region transit ASes present in the Internet Routing Table: 151
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: 25
Number of AfriNIC addresses announced to Internet: 54232064
Equivalent to 3 /8s, 59 /16s and 132 /24s
Percentage of available AfriNIC address space announced: 53.9
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 2947 11591 922 Korea Telecom
17974 2798 903 78 PT Telekomunikasi Indonesia
7545 2219 320 117 TPG Telecom Limited
4755 1852 396 198 TATA Communications formerly
9829 1622 1288 35 National Internet Backbone
9583 1327 103 546 Sify Limited
9498 1257 314 84 BHARTI Airtel Ltd.
7552 1219 1082 13 Viettel Corporation
4808 1210 2151 355 CNCGROUP IP network China169
24560 1126 385 175 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 2971 3688 53 BellSouth.net Inc.
22773 2417 2937 134 Cox Communications Inc.
1785 2201 700 135 PaeTec Communications, Inc.
18566 2047 379 178 MegaPath Corporation
20115 1706 1690 561 Charter Communications
4323 1628 1073 408 tw telecom holdings, inc.
701 1481 11158 750 MCI Communications Services,
30036 1400 302 546 Mediacom Communications Corp
6983 1327 800 307 ITC^Deltacom
22561 1302 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 1709 264 271 TELLCOM ILETISIM HIZMETLERI A
8402 1520 544 16 OJSC "Vimpelcom"
20940 1302 497 978 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 825 357 28 JSC "Ukrtelecom"
6830 766 2333 427 Liberty Global Operations B.V
12479 720 797 56 France Telecom Espana SA
9198 574 344 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 3739 1957 99 NET Serviços de Comunicação S
10620 2850 461 202 Telmex Colombia S.A.
18881 1967 972 21 Global Village Telecom
7303 1753 1174 228 Telecom Argentina S.A.
8151 1400 2930 405 Uninet S.A. de C.V.
6503 1111 434 60 Axtel, S.A.B. de C.V.
7738 914 1754 40 Telemar Norte Leste S.A.
27947 867 114 52 Telconet S.A
11830 842 364 15 Instituto Costarricense de El
26615 842 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
36998 1114 240 6 Sudanese Mobile Telephone (ZA
24863 961 280 26 Link Egypt (Link.NET)
6713 614 722 28 Office National des Postes et
8452 578 958 13 TE-AS
24835 304 144 9 Vodafone Data
36992 275 783 24 ETISALAT MISR
3741 248 921 209 Internet Solutions
29571 228 22 23 Cote d'Ivoire Telecom
37054 216 19 6 Data Telecom Service
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 3739 1957 99 NET Serviços de Comunicação S
6389 2971 3688 53 BellSouth.net Inc.
4766 2947 11591 922 Korea Telecom
10620 2850 461 202 Telmex Colombia S.A.
17974 2798 903 78 PT Telekomunikasi Indonesia
22773 2417 2937 134 Cox Communications Inc.
7545 2219 320 117 TPG Telecom Limited
1785 2201 700 135 PaeTec Communications, Inc.
18566 2047 379 178 MegaPath Corporation
18881 1967 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 2971 2918 BellSouth.net Inc.
17974 2798 2720 PT Telekomunikasi Indonesia
10620 2850 2648 Telmex Colombia S.A.
22773 2417 2283 Cox Communications Inc.
7545 2219 2102 TPG Telecom Limited
1785 2201 2066 PaeTec Communications, Inc.
4766 2947 2025 Korea Telecom
18881 1967 1946 Global Village Telecom
18566 2047 1869 MegaPath Corporation
4755 1852 1654 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
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 /10:31 /11:90 /12:257
/13:481 /14:964 /15:1697 /16:12960 /17:6813 /18:11593
/19:24278 /20:34188 /21:36791 /22:52944 /23:46162 /24:262047
/25:785 /26:932 /27:395 /28:13 /29:15 /30:5
/31:0 /32:38
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2002 2047 MegaPath Corporation
6389 1692 2971 BellSouth.net Inc.
22773 1660 2417 Cox Communications Inc.
30036 1238 1400 Mediacom Communications Corp
8402 1197 1520 OJSC "Vimpelcom"
11492 1197 1240 CABLE ONE, INC.
1785 1165 2201 PaeTec Communications, Inc.
36998 1080 1114 Sudanese Mobile Telephone (ZA
6983 1043 1327 ITC^Deltacom
34984 1038 1709 TELLCOM ILETISIM HIZMETLERI A
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1028 2:680 3:3 4:15 5:983 6:19
8:736 12:1848 13:4 14:987 15:13 16:2
17:31 18:21 20:36 23:854 24:1735 25:1
27:1779 31:1477 32:40 33:2 34:5 36:131
37:1879 38:955 39:6 40:196 41:3181 42:247
44:10 46:2174 47:18 49:696 50:917 52:12
54:47 55:7 57:28 58:1229 59:601 60:403
61:1547 62:1234 63:1959 64:4378 65:2288 66:4147
67:2063 68:1035 69:3307 70:856 71:445 72:2011
74:2657 75:311 76:418 77:1529 78:935 79:711
80:1298 81:1165 82:743 83:756 84:728 85:1259
86:470 87:1172 88:482 89:1801 90:140 91:5703
92:694 93:1712 94:2042 95:1467 96:544 97:349
98:1075 99:48 100:54 101:789 103:4752 105:536
106:173 107:606 108:579 109:2049 110:968 111:1293
112:657 113:847 114:902 115:1119 116:1061 117:925
118:1393 119:1345 120:377 121:806 122:2041 123:1326
124:1414 125:1401 128:649 129:313 130:345 131:660
132:399 133:162 134:323 135:74 136:256 137:324
138:352 139:170 140:213 141:367 142:579 143:439
144:507 145:100 146:603 147:452 148:924 149:346
150:167 151:634 152:423 153:218 154:273 155:482
156:336 157:337 158:241 159:896 160:332 161:532
162:1367 163:218 164:688 165:598 166:278 167:610
168:1030 169:124 170:1393 171:191 172:22 173:1634
174:701 175:608 176:1415 177:2869 178:1961 179:612
180:1715 181:1132 182:1556 183:511 184:713 185:1569
186:2748 187:1533 188:1921 189:1470 190:7530 191:245
192:7250 193:5497 194:4039 195:3484 196:1398 197:640
198:5034 199:5581 200:6248 201:2703 202:9020 203:8885
204:4630 205:2709 206:2950 207:2945 208:3986 209:3718
210:3102 211:1678 212:2254 213:2068 214:921 215:86
216:5518 217:1685 218:575 219:318 220:1280 221:595
222:353 223:579
End of report
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