* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 02 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 420868
Prefixes after maximum aggregation: 176525
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 209478
Total ASes present in the Internet Routing Table: 39131
Prefixes per ASN: 10.76
Origin-only ASes present in the Internet Routing Table: 33639
Origin ASes announcing only one prefix: 15797
Transit ASes present in the Internet Routing Table: 5492
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: 1403
Unregistered ASNs in the Routing Table: 311
Number of 32-bit ASNs allocated by the RIRs: 3339
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7942
Special use prefixes present in the Routing Table: 18
Prefixes being announced from unallocated address space: 160
Number of addresses announced to Internet: 2623074816
Equivalent to 156 /8s, 88 /16s and 242 /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: 146352
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97371
Total APNIC prefixes after maximum aggregation: 30978
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 98650
Unique aggregates announced from the APNIC address blocks: 42730
APNIC Region origin ASes present in the Internet Routing Table: 4710
APNIC Prefixes per ASN: 20.94
APNIC Region origin ASes announcing only one prefix: 1266
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: 707766272
Equivalent to 42 /8s, 47 /16s and 168 /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: 153154
Total ARIN prefixes after maximum aggregation: 77710
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154043
Unique aggregates announced from the ARIN address blocks: 69124
ARIN Region origin ASes present in the Internet Routing Table: 15181
ARIN Prefixes per ASN: 10.15
ARIN Region origin ASes announcing only one prefix: 5757
ARIN Region transit ASes present in the Internet Routing Table: 1541
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: 1086723328
Equivalent to 64 /8s, 198 /16s and 21 /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: 108623
Total RIPE prefixes after maximum aggregation: 57164
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 111216
Unique aggregates announced from the RIPE address blocks: 71454
RIPE Region origin ASes present in the Internet Routing Table: 16868
RIPE Prefixes per ASN: 6.59
RIPE Region origin ASes announcing only one prefix: 8140
RIPE Region transit ASes present in the Internet Routing Table: 2695
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: 647249408
Equivalent to 38 /8s, 148 /16s and 62 /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: 43204
Total LACNIC prefixes after maximum aggregation: 8385
LACNIC Deaggregation factor: 5.15
Prefixes being announced from the LACNIC address blocks: 46460
Unique aggregates announced from the LACNIC address blocks: 22479
LACNIC Region origin ASes present in the Internet Routing Table: 1648
LACNIC Prefixes per ASN: 28.19
LACNIC Region origin ASes announcing only one prefix: 459
LACNIC Region transit ASes present in the Internet Routing Table: 306
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: 116864256
Equivalent to 6 /8s, 247 /16s and 53 /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: 9859
Total AfriNIC prefixes after maximum aggregation: 2231
AfriNIC Deaggregation factor: 4.42
Prefixes being announced from the AfriNIC address blocks: 10338
Unique aggregates announced from the AfriNIC address blocks: 3548
AfriNIC Region origin ASes present in the Internet Routing Table: 564
AfriNIC Prefixes per ASN: 18.33
AfriNIC Region origin ASes announcing only one prefix: 175
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: 41913344
Equivalent to 2 /8s, 127 /16s and 140 /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 1755 301 87 TPG Internet Pty Ltd
4755 1603 387 162 TATA Communications formerly
9829 1389 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 1015 135 169 Reliance Infocom Ltd Internet
9498 1014 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 3289 3729 178 BellSouth.net Inc.
7029 3164 990 161 Windstream Communications Inc
18566 2085 382 180 Covad Communications Co.
1785 1923 678 128 PaeTec Communications, Inc.
22773 1886 2931 128 Cox Communications Inc.
20115 1657 1582 618 Charter Communications
4323 1573 1169 385 tw telecom holdings, inc.
30036 1366 272 750 Mediacom Communications Corp
7018 1271 10352 849 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 1667 544 16 Corbina telecom
2118 1399 97 14 EUnet/RELCOM Autonomous Syste
12479 847 775 74 France Telecom Espana SA
34984 784 206 181 BILISIM TELEKOM
6830 725 2313 449 UPC Broadband
31148 711 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 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 2198 378 220 Types of queries are: POCs, o
28573 2137 1251 56 Types of queries are: POCs, o
7303 1561 1034 199 Telecom Argentina S.A.
6503 1528 435 70 Axtel, S.A.B. de C.V.
8151 1447 3026 344 Uninet S.A. de C.V.
27947 700 74 87 Telconet S.A
3816 643 309 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 588 87 102 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 890 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 770 958 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 3289 3729 178 BellSouth.net Inc.
7029 3164 990 161 Windstream Communications Inc
17974 2355 702 54 PT Telekomunikasi Indonesia
10620 2198 378 220 Types of queries are: POCs, o
28573 2137 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 1886 2931 128 Cox Communications Inc.
7545 1755 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 3164 3003 Windstream Communications Inc
17974 2355 2301 PT Telekomunikasi Indonesia
28573 2137 2081 Types of queries are: POCs, o
10620 2198 1978 Types of queries are: POCs, o
18566 2085 1905 Covad Communications Co.
1785 1923 1795 PaeTec Communications, Inc.
22773 1886 1758 Cox Communications Inc.
7545 1755 1668 TPG Internet Pty Ltd
8402 1667 1651 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 /15:1554 /16:12387 /17:6505 /18:10779
/19:21050 /20:30275 /21:32132 /22:42296 /23:39732 /24:221876
/25:9 /26:13 /27:10 /28:142 /29:165 /30:88
/31:0 /32:141
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2647 3164 Windstream Communications Inc
18566 2035 2085 Covad Communications Co.
6389 1838 3289 BellSouth.net Inc.
8402 1379 1667 Corbina telecom
30036 1300 1366 Mediacom Communications Corp
22773 1227 1886 Cox Communications Inc.
11492 1162 1199 CABLE ONE, INC.
6503 1050 1528 Axtel, S.A.B. de C.V.
1785 1017 1923 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)
----------------------------------------------
1:584 2:629 3:1 4:13 5:547 6:3
8:462 12:1976 13:1 14:649 15:11 16:3
17:6 20:27 23:200 24:1780 27:1344 31:1042
32:49 33:2 34:2 36:7 37:820 38:823
39:2 40:133 41:3062 42:159 44:3 46:1587
47:2 49:469 50:590 52:12 54:22 55:8
56:2 57:31 58:930 59:533 60:231 61:1184
62:951 63:1984 64:4265 65:2239 66:4509 67:2089
68:1166 69:3234 70:987 71:509 72:1872 74:2593
75:486 76:310 77:957 78:962 79:496 80:1238
81:970 82:640 83:537 84:516 85:1160 86:499
87:929 88:364 89:1834 90:303 91:5234 92:596
93:1418 94:1626 95:1226 96:422 97:324 98:969
99:36 100:24 101:261 103:1586 105:512 106:118
107:199 108:447 109:1534 110:802 111:969 112:444
113:707 114:624 115:883 116:874 117:732 118:945
119:1184 120:330 121:678 122:1567 123:1165 124:1300
125:1276 128:530 129:179 130:268 131:628 132:303
133:22 134:240 135:61 136:218 137:236 138:338
139:169 140:471 141:277 142:468 143:382 144:492
145:82 146:516 147:265 148:728 149:324 150:148
151:192 152:449 153:178 154:19 155:438 156:221
157:326 158:258 159:581 160:344 161:386 162:362
163:180 164:682 165:418 166:527 167:555 168:984
169:126 170:909 171:168 172:6 173:1682 174:625
175:444 176:778 177:1253 178:1617 180:1332 181:140
182:1046 183:292 184:599 185:16 186:2223 187:1270
188:1696 189:1585 190:6006 192:5989 193:5734 194:4560
195:3479 196:1226 197:232 198:3775 199:5000 200:5919
201:1985 202:8477 203:8565 204:4337 205:2523 206:2674
207:2788 208:4061 209:3628 210:2787 211:1521 212:2007
213:1818 214:882 215:86 216:5125 217:1573 218:556
219:295 220:1242 221:511 222:302 223:409
End of report
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