* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 03 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 421142
Prefixes after maximum aggregation: 176453
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 209709
Total ASes present in the Internet Routing Table: 39156
Prefixes per ASN: 10.76
Origin-only ASes present in the Internet Routing Table: 33668
Origin ASes announcing only one prefix: 15803
Transit ASes present in the Internet Routing Table: 5488
Transit-only ASes present in the Internet Routing Table: 126
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: 1411
Unregistered ASNs in the Routing Table: 313
Number of 32-bit ASNs allocated by the RIRs: 3342
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7947
Special use prefixes present in the Routing Table: 18
Prefixes being announced from unallocated address space: 162
Number of addresses announced to Internet: 2623253248
Equivalent to 156 /8s, 91 /16s and 171 /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: 146338
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97450
Total APNIC prefixes after maximum aggregation: 31008
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 98738
Unique aggregates announced from the APNIC address blocks: 42838
APNIC Region origin ASes present in the Internet Routing Table: 4719
APNIC Prefixes per ASN: 20.92
APNIC Region origin ASes announcing only one prefix: 1265
APNIC Region transit ASes present in the Internet Routing Table: 745
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: 707848448
Equivalent to 42 /8s, 48 /16s and 233 /24s
Percentage of available APNIC address space announced: 82.7
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: 153019
Total ARIN prefixes after maximum aggregation: 77605
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153907
Unique aggregates announced from the ARIN address blocks: 69164
ARIN Region origin ASes present in the Internet Routing Table: 15185
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5761
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: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1086661120
Equivalent to 64 /8s, 197 /16s and 34 /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: 108907
Total RIPE prefixes after maximum aggregation: 57162
RIPE Deaggregation factor: 1.91
Prefixes being announced from the RIPE address blocks: 111504
Unique aggregates announced from the RIPE address blocks: 71490
RIPE Region origin ASes present in the Internet Routing Table: 16878
RIPE Prefixes per ASN: 6.61
RIPE Region origin ASes announcing only one prefix: 8142
RIPE Region transit ASes present in the Internet Routing Table: 2698
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: 647306496
Equivalent to 38 /8s, 149 /16s and 29 /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: 43269
Total LACNIC prefixes after maximum aggregation: 8393
LACNIC Deaggregation factor: 5.16
Prefixes being announced from the LACNIC address blocks: 46516
Unique aggregates announced from the LACNIC address blocks: 22519
LACNIC Region origin ASes present in the Internet Routing Table: 1651
LACNIC Prefixes per ASN: 28.17
LACNIC Region origin ASes announcing only one prefix: 462
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: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 116963584
Equivalent to 6 /8s, 248 /16s and 185 /24s
Percentage of available LACNIC address space announced: 69.7
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: 9836
Total AfriNIC prefixes after maximum aggregation: 2228
AfriNIC Deaggregation factor: 4.41
Prefixes being announced from the AfriNIC address blocks: 10314
Unique aggregates announced from the AfriNIC address blocks: 3553
AfriNIC Region origin ASes present in the Internet Routing Table: 564
AfriNIC Prefixes per ASN: 18.29
AfriNIC Region origin ASes announcing only one prefix: 173
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: 41914880
Equivalent to 2 /8s, 127 /16s and 146 /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 2355 702 54 PT Telekomunikasi Indonesia
4766 2115 11420 608 Korea Telecom (KIX)
7545 1758 301 87 TPG Internet Pty Ltd
4755 1602 387 162 TATA Communications formerly
9829 1393 1154 41 National Internet Backbone
9583 1222 90 519 Sify Limited
7552 1096 1062 11 Vietel Corporation
24560 1039 386 160 Bharti Airtel Ltd., Telemedia
18101 1016 135 169 Reliance Infocom Ltd Internet
9498 1015 310 74 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 3284 3729 180 BellSouth.net Inc.
7029 3162 990 161 Windstream Communications Inc
18566 2085 382 180 Covad Communications Co.
1785 1923 678 128 PaeTec Communications, Inc.
22773 1884 2931 128 Cox Communications Inc.
20115 1657 1581 618 Charter Communications
4323 1572 1169 385 tw telecom holdings, inc.
30036 1367 272 751 Mediacom Communications Corp
7018 1272 10336 848 AT&T Services, Inc.
11492 1201 217 338 CABLE ONE, INC.
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 1643 544 16 Corbina telecom
2118 1399 97 14 EUnet/RELCOM Autonomous Syste
12479 847 775 74 France Telecom Espana SA
34984 793 206 181 BILISIM TELEKOM
6830 726 2313 450 UPC Broadband
31148 715 37 9 FreeNet ISP
13188 696 92 151 Ukraine
20940 677 220 526 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 2198 378 221 Types of queries are: POCs, o
28573 2144 1251 56 Types of queries are: POCs, o
7303 1562 1034 200 Telecom Argentina S.A.
6503 1528 435 70 Axtel, S.A.B. de C.V.
8151 1451 3034 341 Uninet S.A. de C.V.
27947 701 74 87 Telconet S.A
3816 645 309 69 Types of queries are: POCs, o
6458 620 81 15 Telgua
11172 591 101 69 Alestra, S. de R.L. de C.V.
14420 589 87 101 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 891 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 740 958 13 TEDATA
6713 516 650 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
33776 192 13 11 Starcomms Nigeria Limited
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 3284 3729 180 BellSouth.net Inc.
7029 3162 990 161 Windstream Communications Inc
17974 2355 702 54 PT Telekomunikasi Indonesia
10620 2198 378 221 Types of queries are: POCs, o
28573 2144 1251 56 Types of queries are: POCs, o
4766 2115 11420 608 Korea Telecom (KIX)
18566 2085 382 180 Covad Communications Co.
1785 1923 678 128 PaeTec Communications, Inc.
22773 1884 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 3162 3001 Windstream Communications Inc
17974 2355 2301 PT Telekomunikasi Indonesia
28573 2144 2088 Types of queries are: POCs, o
10620 2198 1977 Types of queries are: POCs, o
18566 2085 1905 Covad Communications Co.
1785 1923 1795 PaeTec Communications, Inc.
22773 1884 1756 Cox Communications Inc.
7545 1758 1671 TPG Internet Pty Ltd
8402 1643 1627 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 /16:12385 /17:6503 /18:10787
/19:21058 /20:30311 /21:32149 /22:42304 /23:39693 /24:222120
/25:9 /26:13 /27:10 /28:142 /29:166 /30:88
/31:0 /32:138
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2645 3162 Windstream Communications Inc
18566 2035 2085 Covad Communications Co.
6389 1836 3284 BellSouth.net Inc.
8402 1381 1643 Corbina telecom
30036 1300 1367 Mediacom Communications Corp
22773 1226 1884 Cox Communications Inc.
11492 1164 1201 CABLE ONE, INC.
6503 1050 1528 Axtel, S.A.B. de C.V.
1785 1017 1923 PaeTec Communications, Inc.
7011 935 1194 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 2:661 3:1 4:13 5:550 6:3
8:462 12:1977 13:1 14:649 15:11 16:3
17:6 20:27 23:200 24:1778 27:1350 31:1042
32:49 33:2 34:2 36:7 37:820 38:822
39:2 40:133 41:3035 42:159 44:3 46:1586
47:2 49:468 50:591 52:12 54:22 55:8
56:2 57:31 58:930 59:534 60:231 61:1184
62:952 63:1984 64:4264 65:2239 66:4511 67:2110
68:1168 69:3226 70:986 71:513 72:1873 74:2598
75:486 76:308 77:959 78:929 79:497 80:1246
81:970 82:640 83:535 84:520 85:1160 86:494
87:930 88:364 89:1797 90:303 91:5242 92:594
93:1496 94:1630 95:1201 96:424 97:325 98:962
99:36 100:24 101:262 103:1600 105:512 106:118
107:199 108:447 109:1539 110:803 111:971 112:444
113:709 114:622 115:881 116:876 117:732 118:946
119:1183 120:330 121:677 122:1600 123:1165 124:1301
125:1276 128:504 129:180 130:268 131:629 132:302
133:22 134:240 135:61 136:218 137:239 138:338
139:169 140:470 141:281 142:468 143:378 144:491
145:82 146:516 147:265 148:726 149:324 150:148
151:193 152:449 153:178 154:19 155:407 156:221
157:330 158:258 159:580 160:344 161:386 162:365
163:180 164:684 165:418 166:527 167:555 168:984
169:126 170:908 171:168 172:6 173:1680 174:616
175:444 176:780 177:1260 178:1613 180:1341 181:143
182:1051 183:296 184:596 185:22 186:2223 187:1269
188:1694 189:1583 190:6016 192:5987 193:5737 194:4751
195:3519 196:1226 197:232 198:3776 199:5007 200:5944
201:1974 202:8458 203:8598 204:4330 205:2499 206:2670
207:2761 208:4054 209:3623 210:2785 211:1521 212:2010
213:1814 214:869 215:84 216:5128 217:1572 218:557
219:295 220:1243 221:511 222:302 223:409
End of report
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