* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 20 Sep, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 419511
Prefixes after maximum aggregation: 176112
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 208408
Total ASes present in the Internet Routing Table: 39076
Prefixes per ASN: 10.74
Origin-only ASes present in the Internet Routing Table: 33621
Origin ASes announcing only one prefix: 15786
Transit ASes present in the Internet Routing Table: 5455
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: 28
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1374
Unregistered ASNs in the Routing Table: 290
Number of 32-bit ASNs allocated by the RIRs: 3298
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7707
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 185
Number of addresses announced to Internet: 2616853504
Equivalent to 155 /8s, 250 /16s and 4 /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: 93.6
Total number of prefixes smaller than registry allocations: 145748
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97262
Total APNIC prefixes after maximum aggregation: 30998
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 98482
Unique aggregates announced from the APNIC address blocks: 42677
APNIC Region origin ASes present in the Internet Routing Table: 4706
APNIC Prefixes per ASN: 20.93
APNIC Region origin ASes announcing only one prefix: 1264
APNIC Region transit ASes present in the Internet Routing Table: 734
Average APNIC Region AS path length visible: 4.2
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: 706009344
Equivalent to 42 /8s, 20 /16s and 217 /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: 152958
Total ARIN prefixes after maximum aggregation: 77588
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153886
Unique aggregates announced from the ARIN address blocks: 69034
ARIN Region origin ASes present in the Internet Routing Table: 15190
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5751
ARIN Region transit ASes present in the Internet Routing Table: 1526
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: 1084114432
Equivalent to 64 /8s, 158 /16s and 70 /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: 107917
Total RIPE prefixes after maximum aggregation: 56963
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 110419
Unique aggregates announced from the RIPE address blocks: 70907
RIPE Region origin ASes present in the Internet Routing Table: 16832
RIPE Prefixes per ASN: 6.56
RIPE Region origin ASes announcing only one prefix: 8151
RIPE Region transit ASes present in the Internet Routing Table: 2689
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: 645761280
Equivalent to 38 /8s, 125 /16s and 137 /24s
Percentage of available RIPE address space announced: 93.9
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: 43065
Total LACNIC prefixes after maximum aggregation: 8288
LACNIC Deaggregation factor: 5.20
Prefixes being announced from the LACNIC address blocks: 46160
Unique aggregates announced from the LACNIC address blocks: 22149
LACNIC Region origin ASes present in the Internet Routing Table: 1633
LACNIC Prefixes per ASN: 28.27
LACNIC Region origin ASes announcing only one prefix: 448
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: 116566016
Equivalent to 6 /8s, 242 /16s and 168 /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: 9891
Total AfriNIC prefixes after maximum aggregation: 2218
AfriNIC Deaggregation factor: 4.46
Prefixes being announced from the AfriNIC address blocks: 10378
Unique aggregates announced from the AfriNIC address blocks: 3485
AfriNIC Region origin ASes present in the Internet Routing Table: 562
AfriNIC Prefixes per ASN: 18.47
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: 41826304
Equivalent to 2 /8s, 126 /16s and 56 /24s
Percentage of available AfriNIC address space announced: 41.6
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 2340 702 54 PT Telekomunikasi Indonesia
4766 2112 11421 605 Korea Telecom (KIX)
7545 1754 301 88 TPG Internet Pty Ltd
4755 1598 387 161 TATA Communications formerly
9829 1335 1106 41 National Internet Backbone
9583 1178 87 514 Sify Limited
7552 1111 1062 11 Vietel Corporation
24560 1041 386 160 Bharti Airtel Ltd., Telemedia
18101 1015 135 170 Reliance Infocom Ltd Internet
9498 1011 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 3314 3734 186 BellSouth.net Inc.
7029 3154 990 161 Windstream Communications Inc
18566 2086 382 180 Covad Communications Co.
1785 1919 678 129 PaeTec Communications, Inc.
22773 1884 2931 129 Cox Communications Inc.
20115 1660 1580 615 Charter Communications
4323 1573 1169 386 tw telecom holdings, inc.
30036 1382 273 735 Mediacom Communications Corp
7018 1253 10334 838 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 1647 544 16 Corbina telecom
2118 1399 97 14 EUnet/RELCOM Autonomous Syste
12479 844 774 77 France Telecom Espana SA
34984 769 205 179 BILISIM TELEKOM
6830 724 2313 448 UPC Broadband
31148 709 37 9 FreeNet ISP
20940 689 224 542 Akamai Technologies European
13188 666 91 176 Ukraine
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 2159 369 216 Types of queries are: POCs, o
28573 2109 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 1433 3014 341 Uninet S.A. de C.V.
6458 711 81 15 Telgua
27947 697 75 89 Telconet S.A
3816 643 310 52 Types of queries are: POCs, o
11172 593 101 69 Alestra, S. de R.L. de C.V.
14420 584 85 98 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 805 958 13 TEDATA
36998 772 48 3 MOBITEL
6713 517 650 19 Itissalat Al-MAGHRIB
24835 269 80 8 RAYA Telecom - Egypt
3741 263 904 223 The Internet Solution
33776 228 13 11 Starcomms Nigeria Limited
12258 194 28 66 Vodacom Internet Company
15706 193 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 3314 3734 186 BellSouth.net Inc.
7029 3154 990 161 Windstream Communications Inc
17974 2340 702 54 PT Telekomunikasi Indonesia
10620 2159 369 216 Types of queries are: POCs, o
4766 2112 11421 605 Korea Telecom (KIX)
28573 2109 1249 55 Types of queries are: POCs, o
18566 2086 382 180 Covad Communications Co.
1785 1919 678 129 PaeTec Communications, Inc.
22773 1884 2931 129 Cox Communications Inc.
7545 1754 301 88 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 3154 2993 Windstream Communications Inc
17974 2340 2286 PT Telekomunikasi Indonesia
28573 2109 2054 Types of queries are: POCs, o
10620 2159 1943 Types of queries are: POCs, o
18566 2086 1906 Covad Communications Co.
1785 1919 1790 PaeTec Communications, Inc.
22773 1884 1755 Cox Communications Inc.
7545 1754 1666 TPG Internet Pty Ltd
8402 1647 1631 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<<
128.0.168.0/21 15772 W-NET Kiev
128.0.170.0/24 24685 ISP Elencom autonomous system
128.0.176.0/20 30764 PODA s.r.o.
128.0.192.0/21 51483 SaSG GmbH & Co. KG
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
/13:475 /14:846 /15:1558 /16:12365 /17:6480 /18:10757
/19:21052 /20:30206 /21:32037 /22:42070 /23:39602 /24:221111
/25:9 /26:14 /27:10 /28:143 /29:165 /30:86
/31:0 /32:141
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2641 3154 Windstream Communications Inc
18566 2036 2086 Covad Communications Co.
6389 1841 3314 BellSouth.net Inc.
8402 1371 1647 Corbina telecom
30036 1316 1382 Mediacom Communications Corp
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)
----------------------------------------------
1:587 2:576 3:1 4:13 5:511 6:3
8:453 12:1991 13:1 14:648 15:11 16:3
17:6 20:27 23:206 24:1789 27:1329 31:1036
32:49 33:2 34:2 36:7 37:781 38:824
39:2 40:133 41:3138 42:158 44:3 46:1578
47:2 49:480 50:586 52:13 54:19 55:9
56:1 57:34 58:928 59:531 60:233 61:1176
62:952 63:1991 64:4263 65:2232 66:4490 67:2055
68:1165 69:3209 70:986 71:508 72:1869 74:2590
75:485 76:314 77:955 78:970 79:492 80:1227
81:961 82:638 83:532 84:517 85:1149 86:486
87:927 88:363 89:1793 90:304 91:5203 92:579
93:1409 94:1622 95:1202 96:415 97:319 98:979
99:36 100:23 101:260 103:1532 105:512 106:115
107:198 108:445 109:1518 110:796 111:967 112:444
113:702 114:626 115:832 116:872 117:725 118:947
119:1225 120:301 121:677 122:1604 123:1167 124:1296
125:1278 128:516 129:177 130:271 131:625 132:303
133:22 134:238 135:61 136:217 137:235 138:342
139:169 140:471 141:281 142:467 143:374 144:490
145:81 146:503 147:267 148:744 149:322 150:148
151:172 152:449 153:178 154:19 155:409 156:223
157:335 158:255 159:574 160:342 161:389 162:358
163:180 164:681 165:416 166:529 167:553 168:962
169:124 170:908 171:161 172:7 173:1683 174:618
175:441 176:793 177:1208 178:1593 180:1354 181:136
182:1046 183:294 184:601 185:1 186:2244 187:1243
188:1667 189:1570 190:6027 192:5981 193:5738 194:4558
195:3435 196:1214 197:222 198:3743 199:4969 200:5884
201:1968 202:8502 203:8616 204:4349 205:2522 206:2671
207:2806 208:4056 209:3646 210:2754 211:1524 212:2034
213:1825 214:881 215:85 216:5118 217:1530 218:553
219:298 220:1235 221:513 222:301 223:384
End of report
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