* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 14 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 431338
Prefixes after maximum aggregation: 179276
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 215684
Total ASes present in the Internet Routing Table: 39582
Prefixes per ASN: 10.90
Origin-only ASes present in the Internet Routing Table: 34042
Origin ASes announcing only one prefix: 15929
Transit ASes present in the Internet Routing Table: 5540
Transit-only ASes present in the Internet Routing Table: 120
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 1000
Unregistered ASNs in the Routing Table: 167
Number of 32-bit ASNs allocated by the RIRs: 3650
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8911
Special use prefixes present in the Routing Table: 23
Prefixes being announced from unallocated address space: 187
Number of addresses announced to Internet: 2644864784
Equivalent to 157 /8s, 165 /16s and 111 /24s
Percentage of available address space announced: 71.4
Percentage of allocated address space announced: 71.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.1
Total number of prefixes smaller than registry allocations: 150423
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99920
Total APNIC prefixes after maximum aggregation: 31522
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 101551
Unique aggregates announced from the APNIC address blocks: 43572
APNIC Region origin ASes present in the Internet Routing Table: 4760
APNIC Prefixes per ASN: 21.33
APNIC Region origin ASes announcing only one prefix: 1268
APNIC Region transit ASes present in the Internet Routing Table: 768
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 715885056
Equivalent to 42 /8s, 171 /16s and 138 /24s
Percentage of available APNIC address space announced: 83.7
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-133119
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: 153765
Total ARIN prefixes after maximum aggregation: 78046
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154411
Unique aggregates announced from the ARIN address blocks: 70685
ARIN Region origin ASes present in the Internet Routing Table: 15310
ARIN Prefixes per ASN: 10.09
ARIN Region origin ASes announcing only one prefix: 5799
ARIN Region transit ASes present in the Internet Routing Table: 1523
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1090894848
Equivalent to 65 /8s, 5 /16s and 188 /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, 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: 112991
Total RIPE prefixes after maximum aggregation: 58293
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 115985
Unique aggregates announced from the RIPE address blocks: 74240
RIPE Region origin ASes present in the Internet Routing Table: 17008
RIPE Prefixes per ASN: 6.82
RIPE Region origin ASes announcing only one prefix: 8165
RIPE Region transit ASes present in the Internet Routing Table: 2721
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 650285072
Equivalent to 38 /8s, 194 /16s and 144 /24s
Percentage of available RIPE address space announced: 94.5
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, 196608-199679
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: 44872
Total LACNIC prefixes after maximum aggregation: 8978
LACNIC Deaggregation factor: 5.00
Prefixes being announced from the LACNIC address blocks: 48462
Unique aggregates announced from the LACNIC address blocks: 23227
LACNIC Region origin ASes present in the Internet Routing Table: 1763
LACNIC Prefixes per ASN: 27.49
LACNIC Region origin ASes announcing only one prefix: 511
LACNIC Region transit ASes present in the Internet Routing Table: 322
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 121180416
Equivalent to 7 /8s, 57 /16s and 17 /24s
Percentage of available LACNIC address space announced: 72.2
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 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: 10096
Total AfriNIC prefixes after maximum aggregation: 2385
AfriNIC Deaggregation factor: 4.23
Prefixes being announced from the AfriNIC address blocks: 10741
Unique aggregates announced from the AfriNIC address blocks: 3791
AfriNIC Region origin ASes present in the Internet Routing Table: 591
AfriNIC Prefixes per ASN: 18.17
AfriNIC Region origin ASes announcing only one prefix: 186
AfriNIC Region transit ASes present in the Internet Routing Table: 125
Average AfriNIC Region AS path length visible: 3.3
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0
Number of AfriNIC addresses announced to Internet: 44051200
Equivalent to 2 /8s, 160 /16s and 43 /24s
Percentage of available AfriNIC address space announced: 43.8
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
17974 2465 828 53 PT Telekomunikasi Indonesia
4766 2124 11548 625 Korea Telecom (KIX)
7545 1814 301 89 TPG Internet Pty Ltd
4755 1644 381 174 TATA Communications formerly
9829 1422 1156 42 National Internet Backbone
9583 1191 89 507 Sify Limited
7552 1137 1070 12 Vietel Corporation
9498 1051 310 74 BHARTI Airtel Ltd.
18101 1016 135 170 Reliance Infocom Ltd Internet
24560 1011 372 162 Bharti Airtel Ltd., Telemedia
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3109 3701 127 BellSouth.net Inc.
7029 2286 1265 212 Windstream Communications Inc
18566 2078 382 178 Covad Communications Co.
22773 1956 2932 131 Cox Communications Inc.
1785 1944 677 123 PaeTec Communications, Inc.
20115 1686 1606 623 Charter Communications
4323 1596 1171 395 tw telecom holdings, inc.
30036 1356 288 697 Mediacom Communications Corp
7018 1307 10582 866 AT&T Services, Inc.
7011 1206 321 685 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1732 544 16 Corbina telecom
2118 1052 97 15 EUnet/RELCOM Autonomous Syste
34984 910 212 235 BILISIM TELEKOM
12479 869 777 64 France Telecom Espana SA
13188 771 96 112 Ukraine
31148 744 38 14 FreeNet ISP
20940 716 239 570 Akamai Technologies European
6830 714 2313 435 UPC Broadband
8551 675 367 39 Bezeq International
58113 634 70 378 LIR DATACENTER TELECOM SRL
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 2277 1302 78 Types of queries are: POCs, o
10620 2275 388 212 Types of queries are: POCs, o
7303 1670 1139 204 Telecom Argentina S.A.
6503 1446 435 69 Axtel, S.A.B. de C.V.
8151 1387 2873 359 Uninet S.A. de C.V.
18881 750 716 18 Global Village Telecom
27947 745 86 90 Telconet S.A
3816 628 307 91 Types of queries are: POCs, o
11172 602 101 66 Alestra, S. de R.L. de C.V.
7738 587 1242 34 Telecomunicacoes da Bahia S.A
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 874 275 36 LINKdotNET AS number
36998 774 80 4 MOBITEL
8452 541 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 291 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
37054 210 11 5 Data Telecom Service
15399 200 29 7 Wananchi Online Limited
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3109 3701 127 BellSouth.net Inc.
17974 2465 828 53 PT Telekomunikasi Indonesia
7029 2286 1265 212 Windstream Communications Inc
28573 2277 1302 78 Types of queries are: POCs, o
10620 2275 388 212 Types of queries are: POCs, o
4766 2124 11548 625 Korea Telecom (KIX)
18566 2078 382 178 Covad Communications Co.
22773 1956 2932 131 Cox Communications Inc.
1785 1944 677 123 PaeTec Communications, Inc.
7545 1814 301 89 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
17974 2465 2412 PT Telekomunikasi Indonesia
28573 2277 2199 Types of queries are: POCs, o
7029 2286 2074 Windstream Communications Inc
10620 2275 2063 Types of queries are: POCs, o
18566 2078 1900 Covad Communications Co.
22773 1956 1825 Cox Communications Inc.
1785 1944 1821 PaeTec Communications, Inc.
7545 1814 1725 TPG Internet Pty Ltd
8402 1732 1716 Corbina telecom
4766 2124 1499 Korea Telecom (KIX)
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65333 PRIVATE 10.0.0.0/8 0 *
32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc.
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T Services, Inc.
16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T Services, Inc.
21861 UNALLOCATED 12.37.59.0/24 7018 AT&T Services, Inc.
19577 UNALLOCATED 12.41.188.0/24 7832 WW/Precision Communi
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T Services, Inc.
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T Services, Inc.
17300 UNALLOCATED 12.45.103.0/24 209 Qwest Communications
Complete listing at http://thyme.rand.apnic.net/london/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.0.0.0/8 65333 Internet Assigned Numbers Aut
128.0.0.0/24 2876 Jump Management SRL
128.0.24.0/21 41794 Sibirskie Seti Ltd.
128.0.60.0/23 57417 INTERNET TASMANIA SRL
128.0.62.0/23 57417 INTERNET TASMANIA SRL
128.0.64.0/22 49466 Declic Telecom SAS
128.0.68.0/22 49466 Declic Telecom SAS
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.112.114.0/24 23884 Proimage Engineering and Comm
31.210.16.0/22 15657 Neural Networks ASN
41.222.80.0/21 37110 Moztel LDA
62.12.96.0/19 38478 SunnyVision Limited
62.61.220.0/24 24974 Tachyon Europe BV
62.61.221.0/24 24974 Tachyon Europe BV
64.66.32.0/20 18864 >>UNKNOWN<<
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
Complete listing at http://thyme.rand.apnic.net/london/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 /8:19 /9:13 /10:30 /11:87 /12:246
/13:476 /14:863 /15:1558 /16:12461 /17:6611 /18:10855
/19:21597 /20:31080 /21:32993 /22:43989 /23:40321 /24:227538
/25:9 /26:11 /27:11 /28:145 /29:186 /30:96
/31:0 /32:143
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2028 2078 Covad Communications Co.
6389 1771 3109 BellSouth.net Inc.
7029 1642 2286 Windstream Communications Inc
8402 1463 1732 Corbina telecom
22773 1286 1956 Cox Communications Inc.
30036 1253 1356 Mediacom Communications Corp
11492 1157 1194 CABLE ONE, INC.
1785 1028 1944 PaeTec Communications, Inc.
6503 976 1446 Axtel, S.A.B. de C.V.
7011 955 1206 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:657 2:682 3:3 4:13 5:718 6:3
8:484 12:1921 13:3 14:685 15:11 16:3
17:6 20:27 23:221 24:1790 27:1473 31:1136
32:49 33:2 34:2 36:10 37:1173 38:832
39:2 40:139 41:2772 42:180 44:3 46:1722
47:3 49:536 50:645 52:12 54:28 55:7
57:31 58:993 59:558 60:229 61:1298 62:1050
63:2031 64:4300 65:2156 66:4286 67:2116 68:1116
69:3307 70:862 71:536 72:1878 74:2545 75:413
76:295 77:1041 78:1024 79:538 80:1221 81:991
82:666 83:537 84:530 85:1166 86:466 87:976
88:359 89:1725 90:303 91:5378 92:609 93:1682
94:1989 95:1523 96:489 97:339 98:968 99:49
100:29 101:298 103:1976 105:583 106:126 107:207
108:485 109:1771 110:830 111:982 112:464 113:721
114:673 115:885 116:872 117:765 118:966 119:1235
120:324 121:689 122:1698 123:1181 124:1281 125:1302
128:514 129:190 130:296 131:641 132:312 133:142
134:242 135:62 136:215 137:230 138:342 139:158
140:190 141:301 142:497 143:368 144:473 145:89
146:516 147:291 148:716 149:334 150:155 151:255
152:398 153:188 154:23 155:443 156:229 157:335
158:257 159:615 160:335 161:398 162:366 163:181
164:582 165:455 166:458 167:571 168:1001 169:129
170:1003 171:161 172:4 173:1519 174:751 175:413
176:1035 177:1552 178:1704 180:1363 181:195 182:1138
183:296 184:632 185:163 186:2177 187:1428 188:1922
189:1563 190:6199 192:6068 193:5725 194:4504 195:3601
196:1258 197:366 198:4023 199:5125 200:5932 201:2041
202:8579 203:8611 204:4405 205:2512 206:2699 207:2700
208:4073 209:3512 210:2780 211:1554 212:2018 213:1888
214:894 215:90 216:5028 217:1579 218:585 219:306
220:1260 221:528 222:322 223:396
End of report
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