* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 04 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 427656
Prefixes after maximum aggregation: 178187
Deaggregation factor: 2.40
Unique aggregates announced to Internet: 212945
Total ASes present in the Internet Routing Table: 39384
Prefixes per ASN: 10.86
Origin-only ASes present in the Internet Routing Table: 33893
Origin ASes announcing only one prefix: 15820
Transit ASes present in the Internet Routing Table: 5491
Transit-only ASes present in the Internet Routing Table: 123
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 40
Max AS path prepend of ASN ( 22394) 35
Prefixes from unregistered ASNs in the Routing Table: 1773
Unregistered ASNs in the Routing Table: 452
Number of 32-bit ASNs allocated by the RIRs: 3548
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8479
Special use prefixes present in the Routing Table: 21
Prefixes being announced from unallocated address space: 148
Number of addresses announced to Internet: 2635264512
Equivalent to 157 /8s, 18 /16s and 242 /24s
Percentage of available address space announced: 71.2
Percentage of allocated address space announced: 71.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.0
Total number of prefixes smaller than registry allocations: 149069
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99178
Total APNIC prefixes after maximum aggregation: 31252
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 100676
Unique aggregates announced from the APNIC address blocks: 43206
APNIC Region origin ASes present in the Internet Routing Table: 4755
APNIC Prefixes per ASN: 21.17
APNIC Region origin ASes announcing only one prefix: 1271
APNIC Region transit ASes present in the Internet Routing Table: 753
Average APNIC Region AS path length visible: 4.0
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: 712667904
Equivalent to 42 /8s, 122 /16s and 115 /24s
Percentage of available APNIC address space announced: 83.3
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: 153776
Total ARIN prefixes after maximum aggregation: 77913
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154514
Unique aggregates announced from the ARIN address blocks: 69856
ARIN Region origin ASes present in the Internet Routing Table: 15246
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5769
ARIN Region transit ASes present in the Internet Routing Table: 1529
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 40
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1087580416
Equivalent to 64 /8s, 211 /16s and 41 /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: 111816
Total RIPE prefixes after maximum aggregation: 57928
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 114700
Unique aggregates announced from the RIPE address blocks: 73329
RIPE Region origin ASes present in the Internet Routing Table: 16943
RIPE Prefixes per ASN: 6.77
RIPE Region origin ASes announcing only one prefix: 8113
RIPE Region transit ASes present in the Internet Routing Table: 2700
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 649352960
Equivalent to 38 /8s, 180 /16s and 87 /24s
Percentage of available RIPE address space announced: 94.4
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: 43923
Total LACNIC prefixes after maximum aggregation: 8743
LACNIC Deaggregation factor: 5.02
Prefixes being announced from the LACNIC address blocks: 47312
Unique aggregates announced from the LACNIC address blocks: 22829
LACNIC Region origin ASes present in the Internet Routing Table: 1711
LACNIC Prefixes per ASN: 27.65
LACNIC Region origin ASes announcing only one prefix: 494
LACNIC Region transit ASes present in the Internet Routing Table: 308
Average LACNIC Region AS path length visible: 3.9
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: 120073216
Equivalent to 7 /8s, 40 /16s and 44 /24s
Percentage of available LACNIC address space announced: 71.6
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: 9728
Total AfriNIC prefixes after maximum aggregation: 2298
AfriNIC Deaggregation factor: 4.23
Prefixes being announced from the AfriNIC address blocks: 10305
Unique aggregates announced from the AfriNIC address blocks: 3595
AfriNIC Region origin ASes present in the Internet Routing Table: 575
AfriNIC Prefixes per ASN: 17.92
AfriNIC Region origin ASes announcing only one prefix: 173
AfriNIC Region transit ASes present in the Internet Routing Table: 126
Average AfriNIC Region AS path length visible: 3.3
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0
Number of AfriNIC addresses announced to Internet: 43014144
Equivalent to 2 /8s, 144 /16s and 88 /24s
Percentage of available AfriNIC address space announced: 42.7
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 826 46 PT Telekomunikasi Indonesia
4766 2101 11550 604 Korea Telecom (KIX)
7545 1802 301 90 TPG Internet Pty Ltd
4755 1605 374 159 TATA Communications formerly
9829 1409 1155 42 National Internet Backbone
9583 1171 88 503 Sify Limited
7552 1125 1062 11 Vietel Corporation
24560 1035 385 165 Bharti Airtel Ltd., Telemedia
9498 1032 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
7029 3194 994 218 Windstream Communications Inc
6389 3144 3719 148 BellSouth.net Inc.
18566 2077 381 182 Covad Communications Co.
22773 1941 2932 131 Cox Communications Inc.
1785 1932 677 122 PaeTec Communications, Inc.
20115 1681 1606 623 Charter Communications
4323 1588 1169 393 tw telecom holdings, inc.
30036 1360 280 751 Mediacom Communications Corp
7018 1281 10307 850 AT&T Services, Inc.
7011 1223 334 693 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 1639 544 16 Corbina telecom
2118 1424 97 15 EUnet/RELCOM Autonomous Syste
12479 856 777 64 France Telecom Espana SA
34984 851 210 218 BILISIM TELEKOM
13188 744 94 129 Ukraine
31148 738 38 13 FreeNet ISP
6830 717 2313 436 UPC Broadband
20940 705 229 550 Akamai Technologies European
8551 624 367 39 Bezeq International
58113 613 68 372 LIR DATACENTER TELECOM SRL
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 2262 386 206 Types of queries are: POCs, o
28573 2171 1280 74 Types of queries are: POCs, o
7303 1668 1138 201 Telecom Argentina S.A.
6503 1530 435 69 Axtel, S.A.B. de C.V.
8151 1456 3021 350 Uninet S.A. de C.V.
27947 732 78 88 Telconet S.A
3816 659 309 69 Types of queries are: POCs, o
11172 603 101 68 Alestra, S. de R.L. de C.V.
18881 600 716 18 Global Village Telecom
22047 579 326 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 874 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 539 958 13 TEDATA
6713 519 666 20 Itissalat Al-MAGHRIB
24835 289 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15399 193 29 7 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
7029 3194 994 218 Windstream Communications Inc
6389 3144 3719 148 BellSouth.net Inc.
17974 2430 826 46 PT Telekomunikasi Indonesia
10620 2262 386 206 Types of queries are: POCs, o
28573 2171 1280 74 Types of queries are: POCs, o
4766 2101 11550 604 Korea Telecom (KIX)
18566 2077 381 182 Covad Communications Co.
22773 1941 2932 131 Cox Communications Inc.
1785 1932 677 122 PaeTec Communications, Inc.
7545 1802 301 90 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
6389 3144 2996 BellSouth.net Inc.
17974 2430 2384 PT Telekomunikasi Indonesia
28573 2171 2097 Types of queries are: POCs, o
10620 2262 2056 Types of queries are: POCs, o
18566 2077 1895 Covad Communications Co.
22773 1941 1810 Cox Communications Inc.
1785 1932 1810 PaeTec Communications, Inc.
7545 1802 1712 TPG Internet Pty Ltd
8402 1639 1623 Corbina telecom
4766 2101 1497 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
59530 UNALLOCATED 5.8.182.0/24 31261 GARS Telecom
61408 UNALLOCATED 5.56.0.0/21 174 Cogent Communication
61395 UNALLOCATED 5.83.56.0/22 3292 TDC Data Networks
59414 UNALLOCATED 5.102.144.0/21 15576 NTS workspace AG
59395 UNALLOCATED 5.133.16.0/21 8468 ENTANET Internationa
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
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
128.0.0.0/24 2876 Jump Management SRL
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
128.0.106.0/24 23456 32-bit ASN transition
128.0.128.0/20 29285 AMT closed joint-stock compan
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.112.114.0/24 23884 Proimage Engineering and Comm
41.222.80.0/21 37110 Moztel LDA
41.223.108.0/22 36966 >>UNKNOWN<<
62.12.96.0/19 38478 SunnyVision Limited
62.61.220.0/24 24974 Tachyon Europe BV
62.61.221.0/24 24974 Tachyon Europe BV
64.66.32.0/20 18864 >>UNKNOWN<<
64.187.208.0/24 174 Cogent Communications
64.187.209.0/24 23005 SWITCH Communications Group L
65.111.1.0/24 32258 SDN Global
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 /9:13 /10:30 /11:88 /12:243
/13:475 /14:857 /15:1563 /16:12431 /17:6597 /18:10811
/19:21466 /20:30695 /21:32691 /22:43279 /23:40209 /24:225592
/25:9 /26:12 /27:11 /28:143 /29:191 /30:91
/31:0 /32:140
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2618 3194 Windstream Communications Inc
18566 2027 2077 Covad Communications Co.
6389 1780 3144 BellSouth.net Inc.
8402 1346 1639 Corbina telecom
22773 1274 1941 Cox Communications Inc.
30036 1273 1360 Mediacom Communications Corp
11492 1146 1181 CABLE ONE, INC.
6503 1051 1530 Axtel, S.A.B. de C.V.
1785 1021 1932 PaeTec Communications, Inc.
7011 958 1223 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:608 2:701 3:1 4:13 5:666 6:3
8:485 12:1951 13:3 14:686 15:11 16:3
17:6 20:27 23:218 24:1775 27:1413 31:1317
32:49 33:2 34:2 36:7 37:1056 38:837
39:2 40:140 41:2694 42:179 44:3 46:1692
47:3 49:504 50:612 52:12 54:27 55:6
57:31 58:988 59:547 60:229 61:1271 62:1042
63:2014 64:4323 65:2197 66:4488 67:2079 68:1181
69:3236 70:925 71:556 72:1890 74:2612 75:479
76:301 77:1014 78:962 79:503 80:1223 81:986
82:639 83:538 84:530 85:1158 86:483 87:959
88:352 89:1734 90:305 91:5346 92:578 93:1576
94:2011 95:1222 96:408 97:323 98:969 99:37
100:30 101:284 103:1843 105:516 106:119 107:203
108:470 109:1686 110:804 111:968 112:457 113:716
114:637 115:869 116:870 117:750 118:962 119:1213
120:370 121:663 122:1696 123:1177 124:1295 125:1288
128:540 129:190 130:281 131:634 132:301 133:143
134:243 135:62 136:214 137:232 138:343 139:165
140:156 141:293 142:487 143:367 144:482 145:80
146:511 147:268 148:718 149:330 150:146 151:221
152:396 153:183 154:21 155:440 156:223 157:333
158:256 159:592 160:334 161:390 162:371 163:181
164:578 165:443 166:479 167:562 168:984 169:128
170:974 171:153 172:6 173:1705 174:641 175:459
176:872 177:1389 178:1678 180:1345 181:178 182:1108
183:305 184:620 185:105 186:2025 187:1428 188:1791
189:1600 190:5965 192:6013 193:5825 194:4640 195:3659
196:1238 197:280 198:3898 199:5090 200:5950 201:1979
202:8531 203:8633 204:4366 205:2532 206:2662 207:2730
208:4057 209:3628 210:2772 211:1525 212:2143 213:1870
214:888 215:74 216:5167 217:1589 218:576 219:293
220:1255 221:543 222:336 223:357
End of report
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