* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Sat 22 Sep, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 419648
Prefixes after maximum aggregation: 176135
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 208523
Total ASes present in the Internet Routing Table: 39099
Prefixes per ASN: 10.73
Origin-only ASes present in the Internet Routing Table: 33643
Origin ASes announcing only one prefix: 15793
Transit ASes present in the Internet Routing Table: 5456
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: 1379
Unregistered ASNs in the Routing Table: 299
Number of 32-bit ASNs allocated by the RIRs: 3307
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7775
Special use prefixes present in the Routing Table: 16
Prefixes being announced from unallocated address space: 180
Number of addresses announced to Internet: 2617581568
Equivalent to 156 /8s, 5 /16s and 32 /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: 145541
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97481
Total APNIC prefixes after maximum aggregation: 30998
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 98701
Unique aggregates announced from the APNIC address blocks: 42702
APNIC Region origin ASes present in the Internet Routing Table: 4710
APNIC Prefixes per ASN: 20.96
APNIC Region origin ASes announcing only one prefix: 1266
APNIC Region transit ASes present in the Internet Routing Table: 742
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: 706107136
Equivalent to 42 /8s, 22 /16s and 87 /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: 152894
Total ARIN prefixes after maximum aggregation: 77585
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153818
Unique aggregates announced from the ARIN address blocks: 68907
ARIN Region origin ASes present in the Internet Routing Table: 15188
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5747
ARIN Region transit ASes present in the Internet Routing Table: 1522
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: 1084234752
Equivalent to 64 /8s, 160 /16s and 28 /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: 107948
Total RIPE prefixes after maximum aggregation: 56979
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 110501
Unique aggregates announced from the RIPE address blocks: 71042
RIPE Region origin ASes present in the Internet Routing Table: 16848
RIPE Prefixes per ASN: 6.56
RIPE Region origin ASes announcing only one prefix: 8160
RIPE Region transit ASes present in the Internet Routing Table: 2685
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: 646296576
Equivalent to 38 /8s, 133 /16s and 180 /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: 43035
Total LACNIC prefixes after maximum aggregation: 8300
LACNIC Deaggregation factor: 5.18
Prefixes being announced from the LACNIC address blocks: 46171
Unique aggregates announced from the LACNIC address blocks: 22225
LACNIC Region origin ASes present in the Internet Routing Table: 1635
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: 304
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: 116582912
Equivalent to 6 /8s, 242 /16s and 234 /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: 2215
AfriNIC Deaggregation factor: 4.43
Prefixes being announced from the AfriNIC address blocks: 10276
Unique aggregates announced from the AfriNIC address blocks: 3496
AfriNIC Region origin ASes present in the Internet Routing Table: 561
AfriNIC Prefixes per ASN: 18.32
AfriNIC Region origin ASes announcing only one prefix: 171
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: 41776128
Equivalent to 2 /8s, 125 /16s and 116 /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 2112 11421 605 Korea Telecom (KIX)
7545 1753 301 87 TPG Internet Pty Ltd
4755 1599 387 161 TATA Communications formerly
9829 1335 1106 41 National Internet Backbone
9583 1180 87 513 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 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 3160 990 161 Windstream Communications Inc
18566 2085 382 180 Covad Communications Co.
1785 1919 678 128 PaeTec Communications, Inc.
22773 1884 2931 129 Cox Communications Inc.
20115 1661 1580 614 Charter Communications
4323 1572 1169 385 tw telecom holdings, inc.
30036 1378 273 738 Mediacom Communications Corp
7018 1258 10335 841 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 1559 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 707 37 9 FreeNet ISP
13188 692 92 161 Ukraine
20940 689 224 542 Akamai Technologies European
58113 631 70 366 LIR DATACENTER TELECOM SRL
8551 597 364 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 1559 1034 197 Telecom Argentina S.A.
6503 1528 435 70 Axtel, S.A.B. de C.V.
8151 1446 3026 341 Uninet S.A. de C.V.
27947 700 75 89 Telconet S.A
6458 680 81 15 Telgua
3816 643 310 52 Types of queries are: POCs, o
11172 595 101 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
12258 194 28 66 Vodacom Internet Company
15706 192 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
33776 179 13 11 Starcomms Nigeria Limited
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 3160 990 161 Windstream Communications Inc
17974 2356 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 2112 11421 605 Korea Telecom (KIX)
18566 2085 382 180 Covad Communications Co.
1785 1919 678 128 PaeTec Communications, Inc.
22773 1884 2931 129 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 3160 2999 Windstream Communications Inc
17974 2356 2302 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 1791 PaeTec Communications, Inc.
22773 1884 1755 Cox Communications Inc.
7545 1753 1666 TPG Internet Pty Ltd
8402 1559 1543 Corbina telecom
4766 2112 1507 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 /16:12366 /17:6497 /18:10764
/19:21062 /20:30229 /21:32039 /22:42099 /23:39596 /24:221172
/25:9 /26:14 /27:10 /28:142 /29:163 /30:86
/31:0 /32:136
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2643 3160 Windstream Communications Inc
18566 2035 2085 Covad Communications Co.
6389 1840 3309 BellSouth.net Inc.
30036 1312 1378 Mediacom Communications Corp
8402 1279 1559 Corbina telecom
22773 1227 1884 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)
----------------------------------------------
1:585 2:609 3:1 4:13 5:511 6:3
8:455 12:1986 13:1 14:648 15:11 16:3
17:6 20:27 23:205 24:1786 27:1331 31:1034
32:49 33:2 34:2 36:7 37:791 38:824
39:2 40:133 41:3052 42:158 44:3 46:1575
47:2 49:480 50:581 52:13 54:20 55:9
56:1 57:34 58:929 59:535 60:232 61:1178
62:951 63:1993 64:4242 65:2237 66:4501 67:2047
68:1164 69:3215 70:981 71:511 72:1873 74:2600
75:485 76:314 77:957 78:947 79:491 80:1229
81:963 82:639 83:532 84:517 85:1152 86:486
87:925 88:364 89:1789 90:304 91:5220 92:580
93:1403 94:1623 95:1117 96:418 97:320 98:975
99:36 100:23 101:260 103:1541 105:512 106:118
107:197 108:439 109:1521 110:802 111:998 112:442
113:697 114:627 115:868 116:874 117:733 118:964
119:1221 120:300 121:677 122:1600 123:1167 124:1328
125:1276 128:522 129:177 130:270 131:627 132:303
133:22 134:239 135:61 136:217 137:236 138:338
139:169 140:470 141:280 142:466 143:377 144:478
145:81 146:510 147:261 148:744 149:322 150:149
151:172 152:447 153:178 154:19 155:437 156:223
157:327 158:259 159:575 160:342 161:390 162:361
163:180 164:684 165:416 166:528 167:553 168:961
169:124 170:906 171:161 172:7 173:1693 174:608
175:446 176:788 177:1231 178:1605 180:1363 181:136
182:1044 183:295 184:602 185:2 186:2188 187:1233
188:1670 189:1579 190:6011 192:5984 193:5718 194:4558
195:3453 196:1220 197:222 198:3756 199:4985 200:5887
201:1968 202:8518 203:8627 204:4352 205:2523 206:2671
207:2806 208:4060 209:3645 210:2772 211:1523 212:2009
213:1831 214:862 215:86 216:5115 217:1552 218:554
219:298 220:1241 221:513 222:301 223:386
End of report
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