* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Fri 05 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 420575
Prefixes after maximum aggregation: 176542
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 209765
Total ASes present in the Internet Routing Table: 39154
Prefixes per ASN: 10.74
Origin-only ASes present in the Internet Routing Table: 33670
Origin ASes announcing only one prefix: 15793
Transit ASes present in the Internet Routing Table: 5484
Transit-only ASes present in the Internet Routing Table: 130
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: 1428
Unregistered ASNs in the Routing Table: 319
Number of 32-bit ASNs allocated by the RIRs: 3348
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7978
Special use prefixes present in the Routing Table: 18
Prefixes being announced from unallocated address space: 157
Number of addresses announced to Internet: 2624198912
Equivalent to 156 /8s, 106 /16s and 25 /24s
Percentage of available address space announced: 70.9
Percentage of allocated address space announced: 70.9
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: 145969
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97173
Total APNIC prefixes after maximum aggregation: 30959
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 98460
Unique aggregates announced from the APNIC address blocks: 42622
APNIC Region origin ASes present in the Internet Routing Table: 4717
APNIC Prefixes per ASN: 20.87
APNIC Region origin ASes announcing only one prefix: 1269
APNIC Region transit ASes present in the Internet Routing Table: 744
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: 708365056
Equivalent to 42 /8s, 56 /16s and 203 /24s
Percentage of available APNIC address space announced: 82.8
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: 152955
Total ARIN prefixes after maximum aggregation: 77661
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153841
Unique aggregates announced from the ARIN address blocks: 69268
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: 5756
ARIN Region transit ASes present in the Internet Routing Table: 1536
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: 1086571520
Equivalent to 64 /8s, 195 /16s and 196 /24s
Percentage of available ARIN address space announced: 57.5
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: 108938
Total RIPE prefixes after maximum aggregation: 57179
RIPE Deaggregation factor: 1.91
Prefixes being announced from the RIPE address blocks: 111587
Unique aggregates announced from the RIPE address blocks: 71655
RIPE Region origin ASes present in the Internet Routing Table: 16875
RIPE Prefixes per ASN: 6.61
RIPE Region origin ASes announcing only one prefix: 8138
RIPE Region transit ASes present in the Internet Routing Table: 2699
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: 647559424
Equivalent to 38 /8s, 152 /16s and 249 /24s
Percentage of available RIPE address space announced: 94.1
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: 43072
Total LACNIC prefixes after maximum aggregation: 8443
LACNIC Deaggregation factor: 5.10
Prefixes being announced from the LACNIC address blocks: 46312
Unique aggregates announced from the LACNIC address blocks: 22548
LACNIC Region origin ASes present in the Internet Routing Table: 1650
LACNIC Prefixes per ASN: 28.07
LACNIC Region origin ASes announcing only one prefix: 458
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: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 117246976
Equivalent to 6 /8s, 253 /16s and 12 /24s
Percentage of available LACNIC address space announced: 69.9
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: 9740
Total AfriNIC prefixes after maximum aggregation: 2243
AfriNIC Deaggregation factor: 4.34
Prefixes being announced from the AfriNIC address blocks: 10217
Unique aggregates announced from the AfriNIC address blocks: 3533
AfriNIC Region origin ASes present in the Internet Routing Table: 561
AfriNIC Prefixes per ASN: 18.21
AfriNIC Region origin ASes announcing only one prefix: 172
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: 41897728
Equivalent to 2 /8s, 127 /16s and 79 /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 2363 830 54 PT Telekomunikasi Indonesia
4766 2115 11420 608 Korea Telecom (KIX)
7545 1758 301 87 TPG Internet Pty Ltd
4755 1605 387 162 TATA Communications formerly
9829 1392 1154 41 National Internet Backbone
9583 1223 90 517 Sify Limited
7552 1096 1062 11 Vietel Corporation
24560 1034 385 161 Bharti Airtel Ltd., Telemedia
9498 1018 310 74 BHARTI Airtel Ltd.
18101 1013 135 172 Reliance Infocom Ltd Internet
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 3280 3729 177 BellSouth.net Inc.
7029 3163 990 161 Windstream Communications Inc
18566 2085 382 180 Covad Communications Co.
1785 1926 678 128 PaeTec Communications, Inc.
22773 1906 2931 128 Cox Communications Inc.
20115 1657 1582 618 Charter Communications
4323 1573 1170 386 tw telecom holdings, inc.
30036 1347 270 756 Mediacom Communications Corp
7018 1274 10320 848 AT&T Services, Inc.
7011 1205 329 699 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 1651 544 16 Corbina telecom
2118 1399 97 14 EUnet/RELCOM Autonomous Syste
12479 845 775 74 France Telecom Espana SA
34984 793 206 180 BILISIM TELEKOM
31148 721 37 9 FreeNet ISP
6830 720 2313 445 UPC Broadband
13188 698 92 147 Ukraine
20940 679 220 528 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 2199 379 222 Types of queries are: POCs, o
28573 2123 1253 57 Types of queries are: POCs, o
7303 1566 1035 202 Telecom Argentina S.A.
6503 1527 435 69 Axtel, S.A.B. de C.V.
8151 1456 3070 351 Uninet S.A. de C.V.
27947 703 74 88 Telconet S.A
3816 645 309 69 Types of queries are: POCs, o
11172 593 101 66 Alestra, S. de R.L. de C.V.
14420 588 87 102 CORPORACION NACIONAL DE TELEC
22047 580 326 15 Types of queries are: POCs, o
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 891 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 714 958 13 TEDATA
6713 517 650 19 Itissalat Al-MAGHRIB
24835 269 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15706 192 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
29571 164 14 18 Ci Telecom Autonomous system
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 3280 3729 177 BellSouth.net Inc.
7029 3163 990 161 Windstream Communications Inc
17974 2363 830 54 PT Telekomunikasi Indonesia
10620 2199 379 222 Types of queries are: POCs, o
28573 2123 1253 57 Types of queries are: POCs, o
4766 2115 11420 608 Korea Telecom (KIX)
18566 2085 382 180 Covad Communications Co.
1785 1926 678 128 PaeTec Communications, Inc.
22773 1906 2931 128 Cox Communications Inc.
7545 1758 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 3163 3002 Windstream Communications Inc
17974 2363 2309 PT Telekomunikasi Indonesia
28573 2123 2066 Types of queries are: POCs, o
10620 2199 1977 Types of queries are: POCs, o
18566 2085 1905 Covad Communications Co.
1785 1926 1798 PaeTec Communications, Inc.
22773 1906 1778 Cox Communications Inc.
7545 1758 1671 TPG Internet Pty Ltd
8402 1651 1635 Corbina telecom
4766 2115 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
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
128.0.128.0/20 29285 AMT closed joint-stock compan
128.0.144.0/22 59675 >>UNKNOWN<<
128.0.160.0/21 23456 32-bit ASN transition
128.0.168.0/21 15772 W-NET Kiev
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 /11:87 /12:241
/13:475 /14:848 /15:1552 /16:12392 /17:6511 /18:10785
/19:21074 /20:30341 /21:32176 /22:42313 /23:39664 /24:221483
/25:9 /26:13 /27:10 /28:140 /29:169 /30:88
/31:0 /32:141
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2646 3163 Windstream Communications Inc
18566 2035 2085 Covad Communications Co.
6389 1836 3280 BellSouth.net Inc.
8402 1367 1651 Corbina telecom
30036 1280 1347 Mediacom Communications Corp
22773 1245 1906 Cox Communications Inc.
11492 1164 1201 CABLE ONE, INC.
6503 1050 1527 Axtel, S.A.B. de C.V.
1785 1017 1926 PaeTec Communications, Inc.
7011 944 1205 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:590 2:691 3:1 4:14 5:552 6:3
8:463 12:1975 13:1 14:653 15:11 16:3
17:6 20:27 23:200 24:1779 27:1367 31:1047
32:49 33:2 34:2 36:7 37:838 38:823
39:2 40:133 41:2940 42:158 44:3 46:1590
47:2 49:303 50:585 52:12 54:22 55:9
56:3 57:31 58:929 59:534 60:222 61:1176
62:951 63:1991 64:4273 65:2230 66:4509 67:2111
68:1170 69:3220 70:986 71:513 72:1874 74:2598
75:484 76:305 77:956 78:954 79:498 80:1243
81:970 82:640 83:537 84:518 85:1161 86:494
87:928 88:364 89:1780 90:304 91:5244 92:593
93:1506 94:1624 95:1095 96:395 97:325 98:967
99:36 100:24 101:262 103:1599 105:512 106:118
107:199 108:448 109:1558 110:806 111:962 112:436
113:709 114:623 115:880 116:860 117:732 118:956
119:1180 120:332 121:677 122:1597 123:1165 124:1300
125:1273 128:527 129:180 130:270 131:629 132:301
133:22 134:240 135:62 136:219 137:236 138:338
139:169 140:471 141:281 142:471 143:382 144:485
145:82 146:509 147:264 148:730 149:325 150:151
151:193 152:449 153:178 154:19 155:439 156:219
157:329 158:258 159:580 160:345 161:386 162:364
163:180 164:543 165:420 166:526 167:555 168:985
169:126 170:911 171:149 172:7 173:1672 174:623
175:445 176:763 177:1253 178:1620 180:1324 181:149
182:1052 183:296 184:604 185:23 186:2203 187:1282
188:1689 189:1580 190:5864 192:5985 193:5741 194:4612
195:3663 196:1225 197:232 198:3781 199:5022 200:5928
201:1958 202:8418 203:8603 204:4332 205:2520 206:2675
207:2764 208:4044 209:3628 210:2767 211:1521 212:2025
213:1807 214:884 215:86 216:5116 217:1571 218:559
219:294 220:1241 221:511 222:302 223:408
End of report
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