* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 31 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 421648
Prefixes after maximum aggregation: 176486
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 210973
Total ASes present in the Internet Routing Table: 38987
Prefixes per ASN: 10.82
Origin-only ASes present in the Internet Routing Table: 33488
Origin ASes announcing only one prefix: 15709
Transit ASes present in the Internet Routing Table: 5499
Transit-only ASes present in the Internet Routing Table: 135
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 41
Max AS path prepend of ASN ( 22394) 36
Prefixes from unregistered ASNs in the Routing Table: 1520
Unregistered ASNs in the Routing Table: 355
Number of 32-bit ASNs allocated by the RIRs: 3418
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8209
Special use prefixes present in the Routing Table: 19
Prefixes being announced from unallocated address space: 164
Number of addresses announced to Internet: 2628062720
Equivalent to 156 /8s, 165 /16s and 14 /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: 146367
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 98538
Total APNIC prefixes after maximum aggregation: 31181
APNIC Deaggregation factor: 3.16
Prefixes being announced from the APNIC address blocks: 99937
Unique aggregates announced from the APNIC address blocks: 42964
APNIC Region origin ASes present in the Internet Routing Table: 4745
APNIC Prefixes per ASN: 21.06
APNIC Region origin ASes announcing only one prefix: 1277
APNIC Region transit ASes present in the Internet Routing Table: 752
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 709847552
Equivalent to 42 /8s, 79 /16s and 106 /24s
Percentage of available APNIC address space announced: 83.0
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: 152082
Total ARIN prefixes after maximum aggregation: 77013
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 152911
Unique aggregates announced from the ARIN address blocks: 69403
ARIN Region origin ASes present in the Internet Routing Table: 14928
ARIN Prefixes per ASN: 10.24
ARIN Region origin ASes announcing only one prefix: 5641
ARIN Region transit ASes present in the Internet Routing Table: 1524
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 41
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1086338816
Equivalent to 64 /8s, 192 /16s and 55 /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: 108773
Total RIPE prefixes after maximum aggregation: 57457
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 111468
Unique aggregates announced from the RIPE address blocks: 72077
RIPE Region origin ASes present in the Internet Routing Table: 16898
RIPE Prefixes per ASN: 6.60
RIPE Region origin ASes announcing only one prefix: 8139
RIPE Region transit ASes present in the Internet Routing Table: 2712
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: 648424448
Equivalent to 38 /8s, 166 /16s and 44 /24s
Percentage of available RIPE address space announced: 94.3
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: 43510
Total LACNIC prefixes after maximum aggregation: 8542
LACNIC Deaggregation factor: 5.09
Prefixes being announced from the LACNIC address blocks: 46896
Unique aggregates announced from the LACNIC address blocks: 22928
LACNIC Region origin ASes present in the Internet Routing Table: 1682
LACNIC Prefixes per ASN: 27.88
LACNIC Region origin ASes announcing only one prefix: 480
LACNIC Region transit ASes present in the Internet Routing Table: 309
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: 118255616
Equivalent to 7 /8s, 12 /16s and 112 /24s
Percentage of available LACNIC address space announced: 70.5
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: 9788
Total AfriNIC prefixes after maximum aggregation: 2240
AfriNIC Deaggregation factor: 4.37
Prefixes being announced from the AfriNIC address blocks: 10271
Unique aggregates announced from the AfriNIC address blocks: 3460
AfriNIC Region origin ASes present in the Internet Routing Table: 567
AfriNIC Prefixes per ASN: 18.11
AfriNIC Region origin ASes announcing only one prefix: 172
AfriNIC Region transit ASes present in the Internet Routing Table: 123
Average AfriNIC Region AS path length visible: 3.3
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: 42638592
Equivalent to 2 /8s, 138 /16s and 157 /24s
Percentage of available AfriNIC address space announced: 42.4
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 2430 829 55 PT Telekomunikasi Indonesia
4766 2114 11550 605 Korea Telecom (KIX)
7545 1793 301 85 TPG Internet Pty Ltd
4755 1599 376 159 TATA Communications formerly
9829 1409 1154 41 National Internet Backbone
9583 1180 88 513 Sify Limited
7552 1077 1062 11 Vietel Corporation
24560 1035 385 162 Bharti Airtel Ltd., Telemedia
9498 1020 310 74 BHARTI Airtel Ltd.
18101 1017 135 170 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 3170 3723 161 BellSouth.net Inc.
7029 3132 990 162 Windstream Communications Inc
18566 2072 381 182 Covad Communications Co.
22773 1968 2931 128 Cox Communications Inc.
1785 1920 678 124 PaeTec Communications, Inc.
20115 1664 1585 626 Charter Communications
4323 1592 1171 394 tw telecom holdings, inc.
30036 1364 274 733 Mediacom Communications Corp
7018 1256 10305 848 AT&T Services, Inc.
7011 1222 334 692 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 1792 544 16 Corbina telecom
12479 851 776 64 France Telecom Espana SA
34984 821 207 198 BILISIM TELEKOM
6830 726 2314 448 UPC Broadband
31148 726 37 9 FreeNet ISP
13188 709 93 136 Ukraine
20940 683 222 544 Akamai Technologies European
8551 618 364 61 Bezeq International
58113 601 66 364 LIR DATACENTER TELECOM SRL
9116 541 326 32 Goldenlines main autonomous s
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 2233 380 225 Types of queries are: POCs, o
28573 2149 1278 61 Types of queries are: POCs, o
7303 1661 1131 201 Telecom Argentina S.A.
6503 1531 435 70 Axtel, S.A.B. de C.V.
8151 1447 3029 348 Uninet S.A. de C.V.
27947 699 77 87 Telconet S.A
3816 653 309 68 Types of queries are: POCs, o
14420 594 90 103 CORPORACION NACIONAL DE TELEC
11172 589 101 65 Alestra, S. de R.L. de C.V.
7738 582 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 898 307 37 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 643 958 13 TEDATA
6713 516 650 19 Itissalat Al-MAGHRIB
24835 287 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15399 193 29 5 Wananchi Online Limited
15706 191 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 3170 3723 161 BellSouth.net Inc.
7029 3132 990 162 Windstream Communications Inc
17974 2430 829 55 PT Telekomunikasi Indonesia
10620 2233 380 225 Types of queries are: POCs, o
28573 2149 1278 61 Types of queries are: POCs, o
4766 2114 11550 605 Korea Telecom (KIX)
18566 2072 381 182 Covad Communications Co.
22773 1968 2931 128 Cox Communications Inc.
1785 1920 678 124 PaeTec Communications, Inc.
7545 1793 301 85 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 3132 2970 Windstream Communications Inc
17974 2430 2375 PT Telekomunikasi Indonesia
28573 2149 2088 Types of queries are: POCs, o
10620 2233 2008 Types of queries are: POCs, o
18566 2072 1890 Covad Communications Co.
22773 1968 1840 Cox Communications Inc.
1785 1920 1796 PaeTec Communications, Inc.
8402 1792 1776 Corbina telecom
7545 1793 1708 TPG Internet Pty Ltd
4766 2114 1509 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
61408 UNALLOCATED 5.56.0.0/21 174 Cogent Communication
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.
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 /12:243
/13:476 /14:852 /15:1556 /16:12386 /17:6544 /18:10782
/19:21155 /20:30540 /21:32393 /22:42630 /23:39875 /24:221476
/25:9 /26:13 /27:11 /28:145 /29:184 /30:88
/31:0 /32:140
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2621 3132 Windstream Communications Inc
18566 2022 2072 Covad Communications Co.
6389 1786 3170 BellSouth.net Inc.
8402 1499 1792 Corbina telecom
22773 1301 1968 Cox Communications Inc.
30036 1285 1364 Mediacom Communications Corp
11492 1152 1187 CABLE ONE, INC.
6503 1050 1531 Axtel, S.A.B. de C.V.
1785 1013 1920 PaeTec Communications, Inc.
7011 957 1222 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:609 2:759 3:1 4:13 5:584 6:3
8:470 12:1925 13:3 14:676 15:11 16:3
17:6 20:27 23:209 24:1790 27:1374 31:1048
32:49 33:2 34:2 36:7 37:918 38:760
39:2 40:136 41:2855 42:175 44:3 46:1610
47:2 49:472 50:602 52:12 54:26 55:4
56:4 57:31 58:982 59:542 60:231 61:1277
62:958 63:1929 64:4206 65:2139 66:4443 67:2092
68:1154 69:3194 70:943 71:505 72:1865 74:2586
75:479 76:266 77:973 78:997 79:510 80:1228
81:984 82:630 83:543 84:527 85:1144 86:493
87:944 88:358 89:1796 90:304 91:5294 92:581
93:1427 94:1672 95:1262 96:407 97:323 98:959
99:36 100:29 101:290 103:1727 105:513 106:123
107:199 108:452 109:1597 110:809 111:974 112:429
113:719 114:659 115:845 116:863 117:743 118:954
119:1185 120:353 121:682 122:1659 123:1158 124:1307
125:1287 128:540 129:185 130:258 131:638 132:302
133:142 134:240 135:58 136:218 137:235 138:333
139:168 140:463 141:289 142:473 143:374 144:482
145:82 146:509 147:262 148:716 149:327 150:134
151:205 152:448 153:183 154:20 155:418 156:224
157:320 158:286 159:583 160:333 161:388 162:364
163:180 164:553 165:440 166:513 167:556 168:994
169:127 170:909 171:152 172:6 173:1694 174:631
175:458 176:766 177:1357 178:1633 180:1363 181:162
182:1097 183:311 184:612 185:53 186:2199 187:1377
188:1722 189:1590 190:5904 192:5968 193:5404 194:4081
195:3445 196:1232 197:256 198:3804 199:5008 200:5945
201:1956 202:8523 203:8594 204:4296 205:2491 206:2611
207:2704 208:3987 209:3536 210:2757 211:1520 212:2104
213:1840 214:866 215:86 216:5055 217:1569 218:560
219:289 220:1253 221:523 222:337 223:395
End of report
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