* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 22 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 422240
Prefixes after maximum aggregation: 177065
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 210847
Total ASes present in the Internet Routing Table: 39220
Prefixes per ASN: 10.77
Origin-only ASes present in the Internet Routing Table: 33746
Origin ASes announcing only one prefix: 15806
Transit ASes present in the Internet Routing Table: 5474
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: 1488
Unregistered ASNs in the Routing Table: 346
Number of 32-bit ASNs allocated by the RIRs: 3399
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8099
Special use prefixes present in the Routing Table: 19
Prefixes being announced from unallocated address space: 170
Number of addresses announced to Internet: 2626898432
Equivalent to 156 /8s, 147 /16s and 74 /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: 146620
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97856
Total APNIC prefixes after maximum aggregation: 31150
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 99213
Unique aggregates announced from the APNIC address blocks: 42944
APNIC Region origin ASes present in the Internet Routing Table: 4728
APNIC Prefixes per ASN: 20.98
APNIC Region origin ASes announcing only one prefix: 1270
APNIC Region transit ASes present in the Internet Routing Table: 749
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: 708937216
Equivalent to 42 /8s, 65 /16s and 134 /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: 153123
Total ARIN prefixes after maximum aggregation: 77694
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153954
Unique aggregates announced from the ARIN address blocks: 69433
ARIN Region origin ASes present in the Internet Routing Table: 15213
ARIN Prefixes per ASN: 10.12
ARIN Region origin ASes announcing only one prefix: 5765
ARIN Region transit ASes present in the Internet Routing Table: 1531
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: 1086724096
Equivalent to 64 /8s, 198 /16s and 24 /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: 109509
Total RIPE prefixes after maximum aggregation: 57389
RIPE Deaggregation factor: 1.91
Prefixes being announced from the RIPE address blocks: 112163
Unique aggregates announced from the RIPE address blocks: 71967
RIPE Region origin ASes present in the Internet Routing Table: 16883
RIPE Prefixes per ASN: 6.64
RIPE Region origin ASes announcing only one prefix: 8135
RIPE Region transit ASes present in the Internet Routing Table: 2694
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: 648263424
Equivalent to 38 /8s, 163 /16s and 183 /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: 43372
Total LACNIC prefixes after maximum aggregation: 8541
LACNIC Deaggregation factor: 5.08
Prefixes being announced from the LACNIC address blocks: 46706
Unique aggregates announced from the LACNIC address blocks: 22790
LACNIC Region origin ASes present in the Internet Routing Table: 1666
LACNIC Prefixes per ASN: 28.03
LACNIC Region origin ASes announcing only one prefix: 466
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: 118052352
Equivalent to 7 /8s, 9 /16s and 86 /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: 9553
Total AfriNIC prefixes after maximum aggregation: 2237
AfriNIC Deaggregation factor: 4.27
Prefixes being announced from the AfriNIC address blocks: 10033
Unique aggregates announced from the AfriNIC address blocks: 3563
AfriNIC Region origin ASes present in the Internet Routing Table: 565
AfriNIC Prefixes per ASN: 17.76
AfriNIC Region origin ASes announcing only one prefix: 170
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: 42345472
Equivalent to 2 /8s, 134 /16s and 36 /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 2366 830 54 PT Telekomunikasi Indonesia
4766 2111 11422 603 Korea Telecom (KIX)
7545 1770 301 86 TPG Internet Pty Ltd
4755 1599 387 162 TATA Communications formerly
9829 1409 1154 41 National Internet Backbone
9583 1176 88 513 Sify Limited
24560 1033 382 170 Bharti Airtel Ltd., Telemedia
7552 1019 1062 15 Vietel Corporation
9498 1019 307 69 BHARTI Airtel Ltd.
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 3185 3725 167 BellSouth.net Inc.
7029 3134 990 162 Windstream Communications Inc
18566 2072 381 182 Covad Communications Co.
1785 1924 678 125 PaeTec Communications, Inc.
22773 1907 2931 128 Cox Communications Inc.
20115 1660 1583 615 Charter Communications
4323 1588 1171 392 tw telecom holdings, inc.
30036 1344 268 751 Mediacom Communications Corp
7018 1278 10321 850 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 1745 544 16 Corbina telecom
2118 1172 97 14 EUnet/RELCOM Autonomous Syste
12479 851 776 64 France Telecom Espana SA
34984 820 207 197 BILISIM TELEKOM
6830 725 2313 447 UPC Broadband
31148 725 37 9 FreeNet ISP
13188 703 93 145 Ukraine
20940 686 222 543 Akamai Technologies European
58113 602 67 364 LIR DATACENTER TELECOM SRL
8551 596 364 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 2225 378 227 Types of queries are: POCs, o
28573 2143 1277 60 Types of queries are: POCs, o
7303 1662 1131 203 Telecom Argentina S.A.
6503 1529 435 70 Axtel, S.A.B. de C.V.
8151 1447 3026 349 Uninet S.A. de C.V.
27947 714 75 91 Telconet S.A
3816 650 309 69 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 672 48 3 MOBITEL
8452 645 958 13 TEDATA
6713 516 650 19 Itissalat Al-MAGHRIB
24835 270 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15399 192 29 6 Wananchi Online Limited
15706 192 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 3185 3725 167 BellSouth.net Inc.
7029 3134 990 162 Windstream Communications Inc
17974 2366 830 54 PT Telekomunikasi Indonesia
10620 2225 378 227 Types of queries are: POCs, o
28573 2143 1277 60 Types of queries are: POCs, o
4766 2111 11422 603 Korea Telecom (KIX)
18566 2072 381 182 Covad Communications Co.
1785 1924 678 125 PaeTec Communications, Inc.
22773 1907 2931 128 Cox Communications Inc.
7545 1770 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 3134 2972 Windstream Communications Inc
17974 2366 2312 PT Telekomunikasi Indonesia
28573 2143 2083 Types of queries are: POCs, o
10620 2225 1998 Types of queries are: POCs, o
18566 2072 1890 Covad Communications Co.
1785 1924 1799 PaeTec Communications, Inc.
22773 1907 1779 Cox Communications Inc.
8402 1745 1729 Corbina telecom
7545 1770 1684 TPG Internet Pty Ltd
4766 2111 1508 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 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.
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
128.0.72.0/21 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 /12:242
/13:476 /14:851 /15:1559 /16:12402 /17:6531 /18:10774
/19:21159 /20:30374 /21:32296 /22:42521 /23:39838 /24:222496
/25:9 /26:13 /27:11 /28:142 /29:174 /30:86
/31:0 /32:136
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2623 3134 Windstream Communications Inc
18566 2022 2072 Covad Communications Co.
6389 1791 3185 BellSouth.net Inc.
8402 1462 1745 Corbina telecom
30036 1271 1344 Mediacom Communications Corp
22773 1247 1907 Cox Communications Inc.
11492 1148 1183 CABLE ONE, INC.
6503 1050 1529 Axtel, S.A.B. de C.V.
1785 1016 1924 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)
----------------------------------------------
1:595 2:749 3:1 4:13 5:574 6:3
8:473 12:1976 13:1 14:651 15:11 16:3
17:6 20:27 23:210 24:1783 27:1368 31:1050
32:49 33:2 34:2 36:7 37:858 38:833
39:2 40:136 41:2789 42:158 44:3 46:1638
47:2 49:452 50:594 52:12 54:25 55:7
56:5 57:31 58:971 59:539 60:230 61:1281
62:960 63:1993 64:4272 65:2227 66:4515 67:2122
68:1153 69:3236 70:987 71:505 72:1869 74:2610
75:481 76:309 77:978 78:985 79:504 80:1238
81:977 82:638 83:543 84:526 85:1152 86:486
87:948 88:361 89:1800 90:303 91:5257 92:596
93:1482 94:1672 95:1157 96:396 97:325 98:962
99:36 100:31 101:265 103:1652 105:428 106:121
107:201 108:466 109:1614 110:801 111:969 112:428
113:712 114:623 115:880 116:864 117:742 118:943
119:1178 120:341 121:679 122:1662 123:1168 124:1305
125:1281 128:529 129:184 130:271 131:607 132:296
133:22 134:239 135:62 136:217 137:236 138:337
139:168 140:466 141:285 142:474 143:370 144:492
145:82 146:504 147:258 148:728 149:329 150:148
151:202 152:446 153:183 154:19 155:433 156:224
157:328 158:262 159:578 160:339 161:389 162:364
163:180 164:561 165:438 166:526 167:555 168:992
169:125 170:919 171:152 172:7 173:1686 174:616
175:452 176:748 177:1297 178:1640 180:1343 181:163
182:1097 183:313 184:606 185:28 186:2225 187:1334
188:1766 189:1583 190:5852 192:5992 193:5540 194:4592
195:3667 196:1229 197:244 198:3818 199:5035 200:5935
201:1969 202:8494 203:8606 204:4339 205:2504 206:2652
207:2729 208:4058 209:3605 210:2758 211:1527 212:2026
213:1847 214:881 215:85 216:5110 217:1573 218:559
219:298 220:1248 221:532 222:337 223:397
End of report
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