* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 25 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 422486
Prefixes after maximum aggregation: 177217
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 210951
Total ASes present in the Internet Routing Table: 39258
Prefixes per ASN: 10.76
Origin-only ASes present in the Internet Routing Table: 33765
Origin ASes announcing only one prefix: 15831
Transit ASes present in the Internet Routing Table: 5493
Transit-only ASes present in the Internet Routing Table: 132
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 39
Max AS path prepend of ASN ( 22394) 36
Prefixes from unregistered ASNs in the Routing Table: 1501
Unregistered ASNs in the Routing Table: 351
Number of 32-bit ASNs allocated by the RIRs: 3404
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8142
Special use prefixes present in the Routing Table: 19
Prefixes being announced from unallocated address space: 173
Number of addresses announced to Internet: 2627722496
Equivalent to 156 /8s, 159 /16s and 221 /24s
Percentage of available address space announced: 71.0
Percentage of allocated address space announced: 71.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.8
Total number of prefixes smaller than registry allocations: 146778
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 98205
Total APNIC prefixes after maximum aggregation: 31166
APNIC Deaggregation factor: 3.15
Prefixes being announced from the APNIC address blocks: 99589
Unique aggregates announced from the APNIC address blocks: 42811
APNIC Region origin ASes present in the Internet Routing Table: 4735
APNIC Prefixes per ASN: 21.03
APNIC Region origin ASes announcing only one prefix: 1271
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: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 709364736
Equivalent to 42 /8s, 72 /16s and 12 /24s
Percentage of available APNIC address space announced: 82.9
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: 153170
Total ARIN prefixes after maximum aggregation: 77783
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154007
Unique aggregates announced from the ARIN address blocks: 69473
ARIN Region origin ASes present in the Internet Routing Table: 15230
ARIN Prefixes per ASN: 10.11
ARIN Region origin ASes announcing only one prefix: 5780
ARIN Region transit ASes present in the Internet Routing Table: 1538
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 39
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1087135232
Equivalent to 64 /8s, 204 /16s and 94 /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: 109044
Total RIPE prefixes after maximum aggregation: 57405
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 111715
Unique aggregates announced from the RIPE address blocks: 72179
RIPE Region origin ASes present in the Internet Routing Table: 16887
RIPE Prefixes per ASN: 6.62
RIPE Region origin ASes announcing only one prefix: 8141
RIPE Region transit ASes present in the Internet Routing Table: 2707
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: 648136192
Equivalent to 38 /8s, 161 /16s and 198 /24s
Percentage of available RIPE address space announced: 94.2
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: 43458
Total LACNIC prefixes after maximum aggregation: 8561
LACNIC Deaggregation factor: 5.08
Prefixes being announced from the LACNIC address blocks: 46797
Unique aggregates announced from the LACNIC address blocks: 22860
LACNIC Region origin ASes present in the Internet Routing Table: 1672
LACNIC Prefixes per ASN: 27.99
LACNIC Region origin ASes announcing only one prefix: 468
LACNIC Region transit ASes present in the Internet Routing Table: 307
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: 118146304
Equivalent to 7 /8s, 10 /16s and 197 /24s
Percentage of available LACNIC address space announced: 70.4
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: 9723
Total AfriNIC prefixes after maximum aggregation: 2247
AfriNIC Deaggregation factor: 4.33
Prefixes being announced from the AfriNIC address blocks: 10204
Unique aggregates announced from the AfriNIC address blocks: 3475
AfriNIC Region origin ASes present in the Internet Routing Table: 568
AfriNIC Prefixes per ASN: 17.96
AfriNIC Region origin ASes announcing only one prefix: 171
AfriNIC Region transit ASes present in the Internet Routing Table: 123
Average AfriNIC Region AS path length visible: 3.4
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: 42362624
Equivalent to 2 /8s, 134 /16s and 103 /24s
Percentage of available AfriNIC address space announced: 42.1
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 2417 829 55 PT Telekomunikasi Indonesia
4766 2113 11550 604 Korea Telecom (KIX)
7545 1779 301 85 TPG Internet Pty Ltd
4755 1598 387 162 TATA Communications formerly
9829 1409 1154 41 National Internet Backbone
9583 1175 88 512 Sify Limited
24560 1033 382 170 Bharti Airtel Ltd., Telemedia
9498 1027 310 74 BHARTI Airtel Ltd.
7552 1024 1062 16 Vietel Corporation
18101 1018 135 171 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 3179 3724 164 BellSouth.net Inc.
7029 3132 989 161 Windstream Communications Inc
18566 2072 381 182 Covad Communications Co.
1785 1926 678 125 PaeTec Communications, Inc.
22773 1909 2931 128 Cox Communications Inc.
20115 1665 1586 617 Charter Communications
4323 1591 1171 393 tw telecom holdings, inc.
30036 1345 268 749 Mediacom Communications Corp
7018 1285 10306 856 AT&T Services, Inc.
7011 1221 333 691 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 1672 544 16 Corbina telecom
12479 851 776 64 France Telecom Espana SA
34984 821 207 198 BILISIM TELEKOM
31148 726 37 9 FreeNet ISP
6830 725 2313 447 UPC Broadband
13188 707 93 134 Ukraine
20940 690 224 547 Akamai Technologies European
2118 664 97 14 EUnet/RELCOM Autonomous Syste
8551 617 364 61 Bezeq International
58113 601 66 364 LIR DATACENTER TELECOM SRL
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 2225 378 227 Types of queries are: POCs, o
28573 2145 1278 61 Types of queries are: POCs, o
7303 1661 1131 202 Telecom Argentina S.A.
6503 1529 435 70 Axtel, S.A.B. de C.V.
8151 1445 3027 350 Uninet S.A. de C.V.
27947 716 75 92 Telconet S.A
3816 652 309 68 Types of queries are: POCs, o
11172 590 101 66 Alestra, S. de R.L. de C.V.
14420 589 87 102 CORPORACION NACIONAL DE TELEC
7738 586 1178 33 Telecomunicacoes da Bahia S.A
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 900 307 37 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 649 958 13 TEDATA
6713 516 650 19 Itissalat Al-MAGHRIB
24835 287 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15399 192 29 5 Wananchi Online Limited
15706 191 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 3179 3724 164 BellSouth.net Inc.
7029 3132 989 161 Windstream Communications Inc
17974 2417 829 55 PT Telekomunikasi Indonesia
10620 2225 378 227 Types of queries are: POCs, o
28573 2145 1278 61 Types of queries are: POCs, o
4766 2113 11550 604 Korea Telecom (KIX)
18566 2072 381 182 Covad Communications Co.
1785 1926 678 125 PaeTec Communications, Inc.
22773 1909 2931 128 Cox Communications Inc.
7545 1779 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 3132 2971 Windstream Communications Inc
17974 2417 2362 PT Telekomunikasi Indonesia
28573 2145 2084 Types of queries are: POCs, o
10620 2225 1998 Types of queries are: POCs, o
18566 2072 1890 Covad Communications Co.
1785 1926 1801 PaeTec Communications, Inc.
22773 1909 1781 Cox Communications Inc.
7545 1779 1694 TPG Internet Pty Ltd
8402 1672 1656 Corbina telecom
4766 2113 1509 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
61408 UNALLOCATED 5.56.0.0/22 174 Cogent Communication
59414 UNALLOCATED 5.102.144.0/21 15576 NTS workspace AG
59395 UNALLOCATED 5.133.16.0/21 3549 Global Crossing
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.
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
128.0.72.0/21 23456 32-bit ASN transition
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
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
/13:476 /14:852 /15:1557 /16:12403 /17:6531 /18:10787
/19:21185 /20:30439 /21:32372 /22:42625 /23:39840 /24:222443
/25:9 /26:13 /27:11 /28:143 /29:180 /30:88
/31:0 /32:141
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2622 3132 Windstream Communications Inc
18566 2022 2072 Covad Communications Co.
6389 1790 3179 BellSouth.net Inc.
8402 1379 1672 Corbina telecom
30036 1271 1345 Mediacom Communications Corp
22773 1249 1909 Cox Communications Inc.
11492 1148 1183 CABLE ONE, INC.
6503 1050 1529 Axtel, S.A.B. de C.V.
1785 1018 1926 PaeTec Communications, Inc.
7011 957 1221 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:607 2:700 3:1 4:13 5:581 6:3
8:475 12:1978 13:1 14:663 15:11 16:3
17:6 20:27 23:206 24:1779 27:1370 31:1050
32:49 33:2 34:2 36:7 37:900 38:831
39:2 40:136 41:2803 42:174 44:3 46:1628
47:2 49:459 50:603 52:12 54:25 55:8
56:4 57:31 58:978 59:537 60:230 61:1283
62:989 63:1997 64:4278 65:2218 66:4514 67:2118
68:1154 69:3218 70:985 71:506 72:1866 74:2618
75:478 76:308 77:970 78:1000 79:504 80:1233
81:972 82:633 83:539 84:526 85:1151 86:486
87:944 88:361 89:1797 90:303 91:5273 92:596
93:1443 94:1649 95:1200 96:396 97:325 98:967
99:36 100:29 101:287 103:1680 105:512 106:123
107:201 108:454 109:1613 110:805 111:970 112:427
113:713 114:627 115:865 116:858 117:750 118:944
119:1183 120:346 121:680 122:1666 123:1162 124:1303
125:1284 128:539 129:184 130:270 131:610 132:301
133:142 134:241 135:62 136:218 137:234 138:336
139:168 140:465 141:288 142:472 143:382 144:492
145:82 146:508 147:261 148:728 149:329 150:151
151:204 152:448 153:183 154:19 155:435 156:224
157:327 158:262 159:580 160:337 161:389 162:364
163:180 164:562 165:440 166:512 167:555 168:973
169:125 170:918 171:152 172:7 173:1688 174:608
175:454 176:732 177:1324 178:1628 180:1350 181:161
182:1069 183:313 184:607 185:33 186:2231 187:1367
188:1771 189:1585 190:5883 192:5986 193:5544 194:4278
195:3465 196:1233 197:247 198:3853 199:5041 200:5939
201:1976 202:8509 203:8616 204:4335 205:2488 206:2647
207:2732 208:4050 209:3603 210:2757 211:1521 212:2084
213:1838 214:890 215:84 216:5108 217:1577 218:557
219:289 220:1250 221:533 222:337 223:397
End of report
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