* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 08 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 420793
Prefixes after maximum aggregation: 176610
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 210072
Total ASes present in the Internet Routing Table: 39149
Prefixes per ASN: 10.75
Origin-only ASes present in the Internet Routing Table: 33661
Origin ASes announcing only one prefix: 15796
Transit ASes present in the Internet Routing Table: 5488
Transit-only ASes present in the Internet Routing Table: 133
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: 1432
Unregistered ASNs in the Routing Table: 317
Number of 32-bit ASNs allocated by the RIRs: 3359
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8002
Special use prefixes present in the Routing Table: 18
Prefixes being announced from unallocated address space: 154
Number of addresses announced to Internet: 2624577536
Equivalent to 156 /8s, 111 /16s and 224 /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: 145986
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97292
Total APNIC prefixes after maximum aggregation: 30943
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 98590
Unique aggregates announced from the APNIC address blocks: 42760
APNIC Region origin ASes present in the Internet Routing Table: 4712
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: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 708632832
Equivalent to 42 /8s, 60 /16s and 225 /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: 152926
Total ARIN prefixes after maximum aggregation: 77681
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153797
Unique aggregates announced from the ARIN address blocks: 69284
ARIN Region origin ASes present in the Internet Routing Table: 15194
ARIN Prefixes per ASN: 10.12
ARIN Region origin ASes announcing only one prefix: 5770
ARIN Region transit ASes present in the Internet Routing Table: 1537
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1086556928
Equivalent to 64 /8s, 195 /16s and 139 /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: 109077
Total RIPE prefixes after maximum aggregation: 57241
RIPE Deaggregation factor: 1.91
Prefixes being announced from the RIPE address blocks: 111713
Unique aggregates announced from the RIPE address blocks: 71735
RIPE Region origin ASes present in the Internet Routing Table: 16865
RIPE Prefixes per ASN: 6.62
RIPE Region origin ASes announcing only one prefix: 8130
RIPE Region transit ASes present in the Internet Routing Table: 2706
Average RIPE Region AS path length visible: 3.4
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: 647846400
Equivalent to 38 /8s, 157 /16s and 90 /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: 43000
Total LACNIC prefixes after maximum aggregation: 8447
LACNIC Deaggregation factor: 5.09
Prefixes being announced from the LACNIC address blocks: 46284
Unique aggregates announced from the LACNIC address blocks: 22616
LACNIC Region origin ASes present in the Internet Routing Table: 1651
LACNIC Prefixes per ASN: 28.03
LACNIC Region origin ASes announcing only one prefix: 459
LACNIC Region transit ASes present in the Internet Routing Table: 303
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: 117074432
Equivalent to 6 /8s, 250 /16s and 106 /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: 9779
Total AfriNIC prefixes after maximum aggregation: 2241
AfriNIC Deaggregation factor: 4.36
Prefixes being announced from the AfriNIC address blocks: 10254
Unique aggregates announced from the AfriNIC address blocks: 3540
AfriNIC Region origin ASes present in the Internet Routing Table: 561
AfriNIC Prefixes per ASN: 18.28
AfriNIC Region origin ASes announcing only one prefix: 170
AfriNIC Region transit ASes present in the Internet Routing Table: 124
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: 41910784
Equivalent to 2 /8s, 127 /16s and 130 /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 2111 11420 608 Korea Telecom (KIX)
7545 1757 301 86 TPG Internet Pty Ltd
4755 1606 387 162 TATA Communications formerly
9829 1397 1154 41 National Internet Backbone
9583 1225 90 517 Sify Limited
7552 1106 1062 11 Vietel Corporation
24560 1034 385 162 Bharti Airtel Ltd., Telemedia
9498 1018 310 74 BHARTI Airtel Ltd.
18101 1014 135 168 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 3230 3727 171 BellSouth.net Inc.
7029 3163 990 161 Windstream Communications Inc
18566 2085 382 180 Covad Communications Co.
1785 1927 678 128 PaeTec Communications, Inc.
22773 1903 2931 128 Cox Communications Inc.
20115 1656 1582 618 Charter Communications
4323 1579 1170 388 tw telecom holdings, inc.
30036 1347 270 756 Mediacom Communications Corp
7018 1276 10321 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 1686 544 16 Corbina telecom
2118 1399 97 14 EUnet/RELCOM Autonomous Syste
12479 820 769 77 France Telecom Espana SA
34984 793 206 180 BILISIM TELEKOM
6830 723 2313 447 UPC Broadband
31148 722 37 9 FreeNet ISP
13188 698 92 147 Ukraine
20940 682 221 529 Akamai Technologies European
58113 603 67 364 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 2201 379 222 Types of queries are: POCs, o
28573 2123 1268 63 Types of queries are: POCs, o
7303 1566 1035 202 Telecom Argentina S.A.
6503 1528 435 70 Axtel, S.A.B. de C.V.
8151 1444 3028 351 Uninet S.A. de C.V.
27947 700 74 87 Telconet S.A
3816 645 309 69 Types of queries are: POCs, o
11172 592 101 66 Alestra, S. de R.L. de C.V.
14420 589 87 101 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 3230 3727 171 BellSouth.net Inc.
7029 3163 990 161 Windstream Communications Inc
17974 2363 830 54 PT Telekomunikasi Indonesia
10620 2201 379 222 Types of queries are: POCs, o
28573 2123 1268 63 Types of queries are: POCs, o
4766 2111 11420 608 Korea Telecom (KIX)
18566 2085 382 180 Covad Communications Co.
1785 1927 678 128 PaeTec Communications, Inc.
22773 1903 2931 128 Cox Communications Inc.
7545 1757 301 86 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 2060 Types of queries are: POCs, o
10620 2201 1979 Types of queries are: POCs, o
18566 2085 1905 Covad Communications Co.
1785 1927 1799 PaeTec Communications, Inc.
22773 1903 1775 Cox Communications Inc.
7545 1757 1671 TPG Internet Pty Ltd
8402 1686 1670 Corbina telecom
4766 2111 1503 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 /12:242
/13:475 /14:848 /15:1552 /16:12398 /17:6510 /18:10782
/19:21072 /20:30363 /21:32223 /22:42313 /23:39653 /24:221644
/25:9 /26:13 /27:10 /28:143 /29:168 /30:88
/31:0 /32:137
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 1801 3230 BellSouth.net Inc.
8402 1404 1686 Corbina telecom
30036 1280 1347 Mediacom Communications Corp
22773 1244 1903 Cox Communications Inc.
11492 1164 1201 CABLE ONE, INC.
6503 1050 1528 Axtel, S.A.B. de C.V.
1785 1017 1927 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)
----------------------------------------------
1:592 2:702 3:1 4:13 5:554 6:3
8:468 12:1974 13:1 14:653 15:11 16:3
17:6 20:27 23:201 24:1778 27:1353 31:1044
32:49 33:2 34:2 36:7 37:837 38:822
39:2 40:133 41:2960 42:158 44:3 46:1603
47:2 49:459 50:585 52:12 54:22 55:6
56:3 57:31 58:930 59:534 60:231 61:1180
62:950 63:1994 64:4268 65:2228 66:4501 67:2105
68:1170 69:3225 70:985 71:514 72:1875 74:2600
75:485 76:305 77:959 78:965 79:501 80:1249
81:970 82:642 83:538 84:520 85:1159 86:491
87:934 88:361 89:1809 90:304 91:5232 92:576
93:1515 94:1625 95:1086 96:393 97:325 98:964
99:36 100:24 101:262 103:1609 105:512 106:120
107:199 108:449 109:1560 110:797 111:951 112:435
113:709 114:614 115:883 116:853 117:736 118:932
119:1172 120:333 121:676 122:1595 123:1160 124:1294
125:1280 128:525 129:182 130:269 131:631 132:302
133:22 134:242 135:62 136:219 137:236 138:337
139:169 140:471 141:284 142:471 143:379 144:482
145:85 146:497 147:266 148:728 149:325 150:153
151:195 152:447 153:178 154:19 155:438 156:221
157:328 158:258 159:581 160:345 161:386 162:364
163:180 164:551 165:420 166:526 167:555 168:984
169:126 170:911 171:151 172:7 173:1674 174:627
175:445 176:770 177:1264 178:1610 180:1343 181:149
182:1032 183:297 184:606 185:24 186:2178 187:1299
188:1722 189:1584 190:5795 192:5987 193:5753 194:4611
195:3665 196:1231 197:234 198:3780 199:5024 200:5930
201:1956 202:8443 203:8602 204:4333 205:2514 206:2675
207:2771 208:4038 209:3623 210:2763 211:1520 212:2031
213:1817 214:875 215:86 216:5105 217:1573 218:559
219:295 220:1243 221:511 222:302 223:396
End of report
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