* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 04 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 420916
Prefixes after maximum aggregation: 176581
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 209905
Total ASes present in the Internet Routing Table: 39146
Prefixes per ASN: 10.75
Origin-only ASes present in the Internet Routing Table: 33665
Origin ASes announcing only one prefix: 15798
Transit ASes present in the Internet Routing Table: 5481
Transit-only ASes present in the Internet Routing Table: 127
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: 1423
Unregistered ASNs in the Routing Table: 316
Number of 32-bit ASNs allocated by the RIRs: 3343
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7971
Special use prefixes present in the Routing Table: 18
Prefixes being announced from unallocated address space: 163
Number of addresses announced to Internet: 2623750144
Equivalent to 156 /8s, 99 /16s and 64 /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: 146062
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97386
Total APNIC prefixes after maximum aggregation: 30977
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 98647
Unique aggregates announced from the APNIC address blocks: 42835
APNIC Region origin ASes present in the Internet Routing Table: 4716
APNIC Prefixes per ASN: 20.92
APNIC Region origin ASes announcing only one prefix: 1267
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: 708340992
Equivalent to 42 /8s, 56 /16s and 109 /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: 153045
Total ARIN prefixes after maximum aggregation: 77702
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153923
Unique aggregates announced from the ARIN address blocks: 69233
ARIN Region origin ASes present in the Internet Routing Table: 15184
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5757
ARIN Region transit ASes present in the Internet Routing Table: 1543
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: 1086516480
Equivalent to 64 /8s, 194 /16s and 237 /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: 108901
Total RIPE prefixes after maximum aggregation: 57165
RIPE Deaggregation factor: 1.91
Prefixes being announced from the RIPE address blocks: 111539
Unique aggregates announced from the RIPE address blocks: 71582
RIPE Region origin ASes present in the Internet Routing Table: 16871
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: 2690
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: 647369728
Equivalent to 38 /8s, 150 /16s and 20 /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: 43211
Total LACNIC prefixes after maximum aggregation: 8445
LACNIC Deaggregation factor: 5.12
Prefixes being announced from the LACNIC address blocks: 46456
Unique aggregates announced from the LACNIC address blocks: 22574
LACNIC Region origin ASes present in the Internet Routing Table: 1651
LACNIC Prefixes per ASN: 28.14
LACNIC Region origin ASes announcing only one prefix: 460
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: 117141760
Equivalent to 6 /8s, 251 /16s and 113 /24s
Percentage of available LACNIC address space announced: 69.8
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: 9714
Total AfriNIC prefixes after maximum aggregation: 2235
AfriNIC Deaggregation factor: 4.35
Prefixes being announced from the AfriNIC address blocks: 10187
Unique aggregates announced from the AfriNIC address blocks: 3535
AfriNIC Region origin ASes present in the Internet Routing Table: 564
AfriNIC Prefixes per ASN: 18.06
AfriNIC Region origin ASes announcing only one prefix: 176
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: 41820672
Equivalent to 2 /8s, 126 /16s and 34 /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 2363 830 54 PT Telekomunikasi Indonesia
4766 2115 11420 608 Korea Telecom (KIX)
7545 1758 301 87 TPG Internet Pty Ltd
4755 1604 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 1034 385 161 Bharti Airtel Ltd., Telemedia
9498 1017 310 74 BHARTI Airtel Ltd.
18101 1014 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 3282 3729 178 BellSouth.net Inc.
7029 3162 990 160 Windstream Communications Inc
18566 2085 382 180 Covad Communications Co.
1785 1924 678 128 PaeTec Communications, Inc.
22773 1906 2931 128 Cox Communications Inc.
20115 1656 1581 618 Charter Communications
4323 1573 1170 386 tw telecom holdings, inc.
30036 1362 272 756 Mediacom Communications Corp
7018 1272 10320 846 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 1624 544 16 Corbina telecom
2118 1399 97 14 EUnet/RELCOM Autonomous Syste
12479 845 775 74 France Telecom Espana SA
34984 793 206 181 BILISIM TELEKOM
6830 723 2313 447 UPC Broadband
31148 721 37 9 FreeNet ISP
13188 697 92 149 Ukraine
20940 678 220 527 Akamai Technologies European
58113 631 70 366 LIR DATACENTER TELECOM SRL
8551 599 364 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 378 222 Types of queries are: POCs, o
28573 2128 1251 56 Types of queries are: POCs, o
7303 1566 1035 202 Telecom Argentina S.A.
6503 1514 435 70 Axtel, S.A.B. de C.V.
8151 1453 3058 346 Uninet S.A. de C.V.
27947 702 74 87 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 715 958 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 3282 3729 178 BellSouth.net Inc.
7029 3162 990 160 Windstream Communications Inc
17974 2363 830 54 PT Telekomunikasi Indonesia
10620 2199 378 222 Types of queries are: POCs, o
28573 2128 1251 56 Types of queries are: POCs, o
4766 2115 11420 608 Korea Telecom (KIX)
18566 2085 382 180 Covad Communications Co.
1785 1924 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 3162 3002 Windstream Communications Inc
17974 2363 2309 PT Telekomunikasi Indonesia
28573 2128 2072 Types of queries are: POCs, o
10620 2199 1977 Types of queries are: POCs, o
18566 2085 1905 Covad Communications Co.
1785 1924 1796 PaeTec Communications, Inc.
22773 1906 1778 Cox Communications Inc.
7545 1758 1671 TPG Internet Pty Ltd
8402 1624 1608 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 /16:12386 /17:6506 /18:10778
/19:21065 /20:30353 /21:32189 /22:42310 /23:39684 /24:221838
/25:6 /26:13 /27:10 /28:132 /29:164 /30:86
/31:0 /32:130
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2647 3162 Windstream Communications Inc
18566 2035 2085 Covad Communications Co.
6389 1836 3282 BellSouth.net Inc.
8402 1348 1624 Corbina telecom
30036 1295 1362 Mediacom Communications Corp
22773 1245 1906 Cox Communications Inc.
11492 1164 1201 CABLE ONE, INC.
6503 1050 1514 Axtel, S.A.B. de C.V.
1785 1017 1924 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 2:630 3:1 4:13 5:550 6:3
8:463 12:1975 13:1 14:650 15:11 16:3
17:6 20:27 23:200 24:1778 27:1367 31:1043
32:49 33:2 34:2 36:7 37:820 38:824
39:2 40:133 41:2936 42:159 44:3 46:1586
47:2 49:460 50:590 52:12 54:22 55:10
56:3 57:31 58:930 59:534 60:231 61:1181
62:952 63:1985 64:4270 65:2238 66:4510 67:2111
68:1170 69:3220 70:986 71:513 72:1873 74:2597
75:484 76:308 77:948 78:953 79:497 80:1245
81:971 82:640 83:537 84:520 85:1163 86:495
87:928 88:364 89:1814 90:304 91:5230 92:595
93:1445 94:1626 95:1217 96:394 97:325 98:964
99:36 100:24 101:261 103:1604 105:512 106:118
107:199 108:448 109:1556 110:805 111:969 112:437
113:707 114:609 115:884 116:869 117:733 118:955
119:1177 120:334 121:676 122:1597 123:1164 124:1293
125:1279 128:518 129:180 130:269 131:627 132:302
133:22 134:240 135:61 136:219 137:236 138:338
139:169 140:471 141:279 142:470 143:382 144:485
145:82 146:514 147:265 148:721 149:324 150:151
151:193 152:449 153:178 154:19 155:408 156:221
157:329 158:258 159:581 160:344 161:385 162:363
163:180 164:684 165:420 166:526 167:555 168:984
169:126 170:911 171:150 172:7 173:1674 174:617
175:444 176:761 177:1250 178:1615 180:1338 181:148
182:1050 183:296 184:603 185:22 186:2213 187:1271
188:1718 189:1583 190:5954 192:5989 193:5737 194:4748
195:3518 196:1220 197:234 198:3779 199:5014 200:5946
201:1972 202:8427 203:8588 204:4334 205:2519 206:2673
207:2761 208:4048 209:3625 210:2773 211:1521 212:2011
213:1808 214:883 215:86 216:5100 217:1576 218:558
219:295 220:1243 221:511 222:302 223:408
End of report
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