* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 24 Sep, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 419909
Prefixes after maximum aggregation: 176202
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 208682
Total ASes present in the Internet Routing Table: 39089
Prefixes per ASN: 10.74
Origin-only ASes present in the Internet Routing Table: 33637
Origin ASes announcing only one prefix: 15800
Transit ASes present in the Internet Routing Table: 5452
Transit-only ASes present in the Internet Routing Table: 123
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1401
Unregistered ASNs in the Routing Table: 302
Number of 32-bit ASNs allocated by the RIRs: 3313
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7778
Special use prefixes present in the Routing Table: 16
Prefixes being announced from unallocated address space: 173
Number of addresses announced to Internet: 2617883648
Equivalent to 156 /8s, 9 /16s and 188 /24s
Percentage of available address space announced: 70.7
Percentage of allocated address space announced: 70.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.7
Total number of prefixes smaller than registry allocations: 145776
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97483
Total APNIC prefixes after maximum aggregation: 30994
APNIC Deaggregation factor: 3.15
Prefixes being announced from the APNIC address blocks: 98694
Unique aggregates announced from the APNIC address blocks: 42711
APNIC Region origin ASes present in the Internet Routing Table: 4709
APNIC Prefixes per ASN: 20.96
APNIC Region origin ASes announcing only one prefix: 1264
APNIC Region transit ASes present in the Internet Routing Table: 740
Average APNIC Region AS path length visible: 4.1
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: 706187520
Equivalent to 42 /8s, 23 /16s and 145 /24s
Percentage of available APNIC address space announced: 82.5
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: 152964
Total ARIN prefixes after maximum aggregation: 77602
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153883
Unique aggregates announced from the ARIN address blocks: 68990
ARIN Region origin ASes present in the Internet Routing Table: 15191
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5761
ARIN Region transit ASes present in the Internet Routing Table: 1524
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1084391168
Equivalent to 64 /8s, 162 /16s and 127 /24s
Percentage of available ARIN address space announced: 57.4
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: 108103
Total RIPE prefixes after maximum aggregation: 57024
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 110640
Unique aggregates announced from the RIPE address blocks: 71087
RIPE Region origin ASes present in the Internet Routing Table: 16837
RIPE Prefixes per ASN: 6.57
RIPE Region origin ASes announcing only one prefix: 8154
RIPE Region transit ASes present in the Internet Routing Table: 2678
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 646310400
Equivalent to 38 /8s, 133 /16s and 234 /24s
Percentage of available RIPE address space announced: 94.0
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: 43075
Total LACNIC prefixes after maximum aggregation: 8314
LACNIC Deaggregation factor: 5.18
Prefixes being announced from the LACNIC address blocks: 46226
Unique aggregates announced from the LACNIC address blocks: 22288
LACNIC Region origin ASes present in the Internet Routing Table: 1637
LACNIC Prefixes per ASN: 28.24
LACNIC Region origin ASes announcing only one prefix: 449
LACNIC Region transit ASes present in the Internet Routing Table: 306
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 116611840
Equivalent to 6 /8s, 243 /16s and 91 /24s
Percentage of available LACNIC address space announced: 69.5
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: 9808
Total AfriNIC prefixes after maximum aggregation: 2211
AfriNIC Deaggregation factor: 4.44
Prefixes being announced from the AfriNIC address blocks: 10292
Unique aggregates announced from the AfriNIC address blocks: 3462
AfriNIC Region origin ASes present in the Internet Routing Table: 559
AfriNIC Prefixes per ASN: 18.41
AfriNIC Region origin ASes announcing only one prefix: 172
AfriNIC Region transit ASes present in the Internet Routing Table: 126
Average AfriNIC Region AS path length visible: 3.5
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: 41820416
Equivalent to 2 /8s, 126 /16s and 33 /24s
Percentage of available AfriNIC address space announced: 41.5
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 2354 702 54 PT Telekomunikasi Indonesia
4766 2110 11421 605 Korea Telecom (KIX)
7545 1753 301 87 TPG Internet Pty Ltd
4755 1599 387 161 TATA Communications formerly
9829 1336 1106 41 National Internet Backbone
9583 1189 88 514 Sify Limited
7552 1124 1062 11 Vietel Corporation
24560 1041 386 160 Bharti Airtel Ltd., Telemedia
18101 1015 135 169 Reliance Infocom Ltd Internet
9498 1012 310 73 BHARTI Airtel Ltd.
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 3309 3733 185 BellSouth.net Inc.
7029 3166 990 161 Windstream Communications Inc
18566 2085 382 180 Covad Communications Co.
1785 1919 678 127 PaeTec Communications, Inc.
22773 1886 2931 128 Cox Communications Inc.
20115 1662 1580 614 Charter Communications
4323 1572 1169 385 tw telecom holdings, inc.
30036 1380 273 734 Mediacom Communications Corp
7018 1256 10319 840 AT&T Services, Inc.
7011 1204 329 698 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 1641 544 16 Corbina telecom
2118 1399 97 14 EUnet/RELCOM Autonomous Syste
12479 844 774 77 France Telecom Espana SA
34984 774 206 181 BILISIM TELEKOM
6830 725 2313 449 UPC Broadband
31148 709 37 9 FreeNet ISP
13188 694 92 157 Ukraine
20940 684 223 539 Akamai Technologies European
58113 631 70 366 LIR DATACENTER TELECOM SRL
8551 598 364 61 Bezeq International
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
10620 2164 370 219 Types of queries are: POCs, o
28573 2135 1249 55 Types of queries are: POCs, o
7303 1564 1034 200 Telecom Argentina S.A.
6503 1528 435 70 Axtel, S.A.B. de C.V.
8151 1436 3018 345 Uninet S.A. de C.V.
27947 697 74 87 Telconet S.A
6458 679 81 15 Telgua
3816 643 310 52 Types of queries are: POCs, o
11172 592 101 69 Alestra, S. de R.L. de C.V.
14420 587 86 101 CORPORACION NACIONAL DE TELEC
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 883 275 36 LINKdotNET AS number
8452 796 958 13 TEDATA
36998 772 48 3 MOBITEL
6713 517 650 19 Itissalat Al-MAGHRIB
24835 269 80 8 RAYA Telecom - Egypt
3741 264 904 224 The Internet Solution
33776 216 13 11 Starcomms Nigeria Limited
12258 194 28 66 Vodacom Internet Company
15706 192 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
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 3309 3733 185 BellSouth.net Inc.
7029 3166 990 161 Windstream Communications Inc
17974 2354 702 54 PT Telekomunikasi Indonesia
10620 2164 370 219 Types of queries are: POCs, o
28573 2135 1249 55 Types of queries are: POCs, o
4766 2110 11421 605 Korea Telecom (KIX)
18566 2085 382 180 Covad Communications Co.
1785 1919 678 127 PaeTec Communications, Inc.
22773 1886 2931 128 Cox Communications Inc.
7545 1753 301 87 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
7029 3166 3005 Windstream Communications Inc
17974 2354 2300 PT Telekomunikasi Indonesia
28573 2135 2080 Types of queries are: POCs, o
10620 2164 1945 Types of queries are: POCs, o
18566 2085 1905 Covad Communications Co.
1785 1919 1792 PaeTec Communications, Inc.
22773 1886 1758 Cox Communications Inc.
7545 1753 1666 TPG Internet Pty Ltd
8402 1641 1625 Corbina telecom
4766 2110 1505 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
59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS
59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS
59414 UNALLOCATED 5.102.144.0/21 15576 NTS workspace AG
59395 UNALLOCATED 5.133.16.0/21 12658 Dexterity Networks L
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
59521 UNALLOCATED 5.134.192.0/21 29518 Bredband2 AB
59441 UNALLOCATED 5.144.128.0/21 50810 Mobin Net Communicat
59581 UNALLOCATED 5.149.8.0/21 25577 C4L main AS
59457 UNALLOCATED 5.149.64.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.64.0/19 35567 DASTO semtel d.o.o.
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
128.0.24.0/21 41794 Sibirskie Seti Ltd.
128.0.64.0/22 49466 Declic Telecom SAS
128.0.68.0/22 49466 Declic Telecom SAS
128.0.80.0/20 52041 Timer LTD
128.0.144.0/21 59675 >>UNKNOWN<<
128.0.160.0/21 23456 32-bit ASN transition
128.0.168.0/21 15772 W-NET Kiev
128.0.170.0/24 24685 ISP Elencom autonomous system
128.0.176.0/20 30764 PODA s.r.o.
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
27.112.114.0/24 23884 Proimage Engineering and Comm
41.220.80.0/24 38925 G.I.T. TELECOM LIMITED
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 /9:14 /10:30 /11:84 /12:237
/13:474 /14:847 /15:1559 /16:12368 /17:6496 /18:10772
/19:21061 /20:30246 /21:32074 /22:42153 /23:39617 /24:221306
/25:9 /26:14 /27:10 /28:139 /29:162 /30:86
/31:0 /32:132
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2647 3166 Windstream Communications Inc
18566 2035 2085 Covad Communications Co.
6389 1840 3309 BellSouth.net Inc.
8402 1357 1641 Corbina telecom
30036 1314 1380 Mediacom Communications Corp
22773 1228 1886 Cox Communications Inc.
11492 1161 1198 CABLE ONE, INC.
6503 1050 1528 Axtel, S.A.B. de C.V.
1785 1016 1919 PaeTec Communications, Inc.
7011 943 1204 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:584 2:646 3:1 4:13 5:514 6:3
8:456 12:1983 13:1 14:644 15:11 16:3
17:6 20:27 23:205 24:1788 27:1330 31:1034
32:49 33:2 34:2 36:7 37:792 38:824
39:2 40:133 41:3072 42:158 44:3 46:1578
47:2 49:481 50:590 52:13 54:20 55:8
56:1 57:34 58:930 59:535 60:232 61:1177
62:949 63:1992 64:4258 65:2236 66:4484 67:2036
68:1167 69:3223 70:987 71:510 72:1873 74:2601
75:485 76:315 77:956 78:945 79:491 80:1233
81:964 82:639 83:532 84:512 85:1156 86:488
87:926 88:363 89:1794 90:304 91:5218 92:596
93:1415 94:1621 95:1156 96:416 97:322 98:973
99:36 100:23 101:259 103:1545 105:512 106:118
107:198 108:439 109:1519 110:802 111:998 112:436
113:709 114:624 115:871 116:874 117:730 118:954
119:1219 120:300 121:678 122:1599 123:1163 124:1303
125:1275 128:526 129:177 130:270 131:627 132:271
133:22 134:240 135:60 136:217 137:236 138:337
139:169 140:470 141:280 142:465 143:379 144:481
145:81 146:510 147:261 148:738 149:324 150:148
151:172 152:447 153:178 154:19 155:437 156:221
157:327 158:259 159:576 160:342 161:388 162:361
163:180 164:684 165:415 166:528 167:554 168:961
169:124 170:906 171:165 172:6 173:1693 174:613
175:446 176:787 177:1231 178:1609 180:1364 181:136
182:1060 183:295 184:602 185:6 186:2189 187:1247
188:1669 189:1572 190:6039 192:5977 193:5720 194:4556
195:3455 196:1218 197:222 198:3757 199:4980 200:5890
201:1971 202:8519 203:8623 204:4357 205:2525 206:2674
207:2803 208:4052 209:3646 210:2773 211:1523 212:2011
213:1829 214:863 215:86 216:5114 217:1550 218:555
219:298 220:1240 221:513 222:301 223:394
End of report
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