* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Sun 23 Sep, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 419714
Prefixes after maximum aggregation: 176180
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 208702
Total ASes present in the Internet Routing Table: 39081
Prefixes per ASN: 10.74
Origin-only ASes present in the Internet Routing Table: 33626
Origin ASes announcing only one prefix: 15793
Transit ASes present in the Internet Routing Table: 5455
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: 1391
Unregistered ASNs in the Routing Table: 299
Number of 32-bit ASNs allocated by the RIRs: 3312
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7767
Special use prefixes present in the Routing Table: 16
Prefixes being announced from unallocated address space: 175
Number of addresses announced to Internet: 2617805568
Equivalent to 156 /8s, 8 /16s and 139 /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: 145783
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97265
Total APNIC prefixes after maximum aggregation: 30966
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 98474
Unique aggregates announced from the APNIC address blocks: 42665
APNIC Region origin ASes present in the Internet Routing Table: 4703
APNIC Prefixes per ASN: 20.94
APNIC Region origin ASes announcing only one prefix: 1263
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: 706024448
Equivalent to 42 /8s, 21 /16s and 20 /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: 153074
Total ARIN prefixes after maximum aggregation: 77641
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153996
Unique aggregates announced from the ARIN address blocks: 69049
ARIN Region origin ASes present in the Internet Routing Table: 15193
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5760
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: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1084483840
Equivalent to 64 /8s, 163 /16s and 233 /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: 108056
Total RIPE prefixes after maximum aggregation: 57006
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 110584
Unique aggregates announced from the RIPE address blocks: 71101
RIPE Region origin ASes present in the Internet Routing Table: 16842
RIPE Prefixes per ASN: 6.57
RIPE Region origin ASes announcing only one prefix: 8155
RIPE Region transit ASes present in the Internet Routing Table: 2687
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: 646322432
Equivalent to 38 /8s, 134 /16s and 25 /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: 43026
Total LACNIC prefixes after maximum aggregation: 8302
LACNIC Deaggregation factor: 5.18
Prefixes being announced from the LACNIC address blocks: 46169
Unique aggregates announced from the LACNIC address blocks: 22285
LACNIC Region origin ASes present in the Internet Routing Table: 1629
LACNIC Prefixes per ASN: 28.34
LACNIC Region origin ASes announcing only one prefix: 445
LACNIC Region transit ASes present in the Internet Routing Table: 305
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: 116607744
Equivalent to 6 /8s, 243 /16s and 75 /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: 9830
Total AfriNIC prefixes after maximum aggregation: 2207
AfriNIC Deaggregation factor: 4.45
Prefixes being announced from the AfriNIC address blocks: 10315
Unique aggregates announced from the AfriNIC address blocks: 3456
AfriNIC Region origin ASes present in the Internet Routing Table: 557
AfriNIC Prefixes per ASN: 18.52
AfriNIC Region origin ASes announcing only one prefix: 170
AfriNIC Region transit ASes present in the Internet Routing Table: 123
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: 41802752
Equivalent to 2 /8s, 125 /16s and 220 /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 2356 702 54 PT Telekomunikasi Indonesia
4766 2110 11421 605 Korea Telecom (KIX)
7545 1751 301 85 TPG Internet Pty Ltd
4755 1599 387 161 TATA Communications formerly
9829 1336 1106 41 National Internet Backbone
9583 1196 88 514 Sify Limited
7552 1067 1062 11 Vietel Corporation
24560 1040 386 160 Bharti Airtel Ltd., Telemedia
18101 1015 135 169 Reliance Infocom Ltd Internet
9498 1013 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 1920 678 128 PaeTec Communications, Inc.
22773 1885 2931 128 Cox Communications Inc.
20115 1661 1580 614 Charter Communications
4323 1572 1169 385 tw telecom holdings, inc.
30036 1380 273 734 Mediacom Communications Corp
7018 1258 10335 842 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 1585 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 692 92 161 Ukraine
20940 683 223 539 Akamai Technologies European
58113 631 70 366 LIR DATACENTER TELECOM SRL
8551 596 364 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 2159 370 219 Types of queries are: POCs, o
28573 2133 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 1435 3017 344 Uninet S.A. de C.V.
27947 696 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 882 275 36 LINKdotNET AS number
8452 798 958 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 2356 702 54 PT Telekomunikasi Indonesia
10620 2159 370 219 Types of queries are: POCs, o
28573 2133 1249 55 Types of queries are: POCs, o
4766 2110 11421 605 Korea Telecom (KIX)
18566 2085 382 180 Covad Communications Co.
1785 1920 678 128 PaeTec Communications, Inc.
22773 1885 2931 128 Cox Communications Inc.
7545 1751 301 85 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 2356 2302 PT Telekomunikasi Indonesia
28573 2133 2078 Types of queries are: POCs, o
10620 2159 1940 Types of queries are: POCs, o
18566 2085 1905 Covad Communications Co.
1785 1920 1792 PaeTec Communications, Inc.
22773 1885 1757 Cox Communications Inc.
7545 1751 1666 TPG Internet Pty Ltd
8402 1585 1569 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 /17:6479 /18:10768
/19:21053 /20:30182 /21:32063 /22:42120 /23:39610 /24:221258
/25:9 /26:14 /27:10 /28:140 /29:161 /30:86
/31:0 /32:129
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.
30036 1314 1380 Mediacom Communications Corp
8402 1297 1585 Corbina telecom
22773 1228 1885 Cox Communications Inc.
11492 1160 1197 CABLE ONE, INC.
6503 1050 1528 Axtel, S.A.B. de C.V.
1785 1017 1920 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 2:622 3:1 4:13 5:510 6:3
8:456 12:1985 13:1 14:647 15:11 16:3
17:6 20:27 23:204 24:1787 27:1329 31:1038
32:49 33:2 34:2 36:7 37:791 38:824
39:2 40:133 41:3079 42:158 44:3 46:1578
47:2 49:480 50:590 52:13 54:20 55:8
56:1 57:34 58:930 59:535 60:232 61:1177
62:949 63:1993 64:4269 65:2238 66:4499 67:2048
68:1167 69:3228 70:987 71:510 72:1873 74:2599
75:485 76:315 77:957 78:948 79:491 80:1229
81:963 82:639 83:532 84:514 85:1156 86:486
87:926 88:363 89:1796 90:304 91:5222 92:596
93:1418 94:1626 95:1120 96:416 97:321 98:974
99:36 100:23 101:260 103:1535 105:512 106:118
107:198 108:439 109:1521 110:794 111:998 112:442
113:706 114:626 115:869 116:866 117:733 118:954
119:1220 120:299 121:676 122:1595 123:1165 124:1296
125:1274 128:530 129:177 130:270 131:627 132:303
133:22 134:239 135:61 136:217 137:236 138:338
139:169 140:470 141:280 142:466 143:378 144:483
145:81 146:510 147:261 148:740 149:322 150:149
151:172 152:447 153:178 154:19 155:437 156:223
157:327 158:259 159:575 160:342 161:389 162:361
163:180 164:677 165:415 166:528 167:553 168:961
169:124 170:906 171:165 172:6 173:1693 174:612
175:447 176:777 177:1230 178:1607 180:1363 181:136
182:1035 183:295 184:602 185:2 186:2183 187:1238
188:1668 189:1580 190:6021 192:5982 193:5717 194:4560
195:3456 196:1216 197:222 198:3761 199:4985 200:5887
201:1971 202:8514 203:8619 204:4355 205:2526 206:2674
207:2806 208:4055 209:3645 210:2769 211:1522 212:2012
213:1830 214:863 215:86 216:5115 217:1551 218:554
219:298 220:1241 221:513 222:301 223:401
End of report
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