* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 27 Nov, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 426427
Prefixes after maximum aggregation: 178087
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 212690
Total ASes present in the Internet Routing Table: 39382
Prefixes per ASN: 10.83
Origin-only ASes present in the Internet Routing Table: 33871
Origin ASes announcing only one prefix: 15824
Transit ASes present in the Internet Routing Table: 5511
Transit-only ASes present in the Internet Routing Table: 136
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 1730
Unregistered ASNs in the Routing Table: 434
Number of 32-bit ASNs allocated by the RIRs: 3527
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8439
Special use prefixes present in the Routing Table: 21
Prefixes being announced from unallocated address space: 154
Number of addresses announced to Internet: 2633237504
Equivalent to 156 /8s, 244 /16s and 4 /24s
Percentage of available address space announced: 71.1
Percentage of allocated address space announced: 71.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.9
Total number of prefixes smaller than registry allocations: 148685
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99089
Total APNIC prefixes after maximum aggregation: 31233
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 100577
Unique aggregates announced from the APNIC address blocks: 43159
APNIC Region origin ASes present in the Internet Routing Table: 4754
APNIC Prefixes per ASN: 21.16
APNIC Region origin ASes announcing only one prefix: 1272
APNIC Region transit ASes present in the Internet Routing Table: 753
Average APNIC Region AS path length visible: 4.1
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: 712300544
Equivalent to 42 /8s, 116 /16s and 216 /24s
Percentage of available APNIC address space announced: 83.2
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: 153980
Total ARIN prefixes after maximum aggregation: 77990
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154725
Unique aggregates announced from the ARIN address blocks: 70015
ARIN Region origin ASes present in the Internet Routing Table: 15229
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5762
ARIN Region transit ASes present in the Internet Routing Table: 1527
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: 1086850560
Equivalent to 64 /8s, 200 /16s and 6 /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: 110838
Total RIPE prefixes after maximum aggregation: 57844
RIPE Deaggregation factor: 1.92
Prefixes being announced from the RIPE address blocks: 113678
Unique aggregates announced from the RIPE address blocks: 73041
RIPE Region origin ASes present in the Internet Routing Table: 16958
RIPE Prefixes per ASN: 6.70
RIPE Region origin ASes announcing only one prefix: 8126
RIPE Region transit ASes present in the Internet Routing Table: 2716
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: 649217280
Equivalent to 38 /8s, 178 /16s and 69 /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: 43764
Total LACNIC prefixes after maximum aggregation: 8707
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 47209
Unique aggregates announced from the LACNIC address blocks: 22842
LACNIC Region origin ASes present in the Internet Routing Table: 1707
LACNIC Prefixes per ASN: 27.66
LACNIC Region origin ASes announcing only one prefix: 492
LACNIC Region transit ASes present in the Internet Routing Table: 315
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: 119455744
Equivalent to 7 /8s, 30 /16s and 192 /24s
Percentage of available LACNIC address space announced: 71.2
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: 9563
Total AfriNIC prefixes after maximum aggregation: 2260
AfriNIC Deaggregation factor: 4.23
Prefixes being announced from the AfriNIC address blocks: 10083
Unique aggregates announced from the AfriNIC address blocks: 3497
AfriNIC Region origin ASes present in the Internet Routing Table: 567
AfriNIC Prefixes per ASN: 17.78
AfriNIC Region origin ASes announcing only one prefix: 172
AfriNIC Region transit ASes present in the Internet Routing Table: 125
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: 42840832
Equivalent to 2 /8s, 141 /16s and 179 /24s
Percentage of available AfriNIC address space announced: 42.6
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 2431 826 46 PT Telekomunikasi Indonesia
4766 2102 11550 604 Korea Telecom (KIX)
7545 1796 301 90 TPG Internet Pty Ltd
4755 1603 374 159 TATA Communications formerly
9829 1412 1155 42 National Internet Backbone
9583 1170 88 502 Sify Limited
7552 1127 1062 11 Vietel Corporation
24560 1040 385 165 Bharti Airtel Ltd., Telemedia
9498 1027 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 3255 995 237 Windstream Communications Inc
6389 3150 3720 150 BellSouth.net Inc.
18566 2078 381 182 Covad Communications Co.
22773 1945 2931 129 Cox Communications Inc.
1785 1929 678 124 PaeTec Communications, Inc.
20115 1683 1607 624 Charter Communications
4323 1584 1169 392 tw telecom holdings, inc.
30036 1366 282 750 Mediacom Communications Corp
7018 1289 10308 855 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 1736 544 16 Corbina telecom
12479 857 777 64 France Telecom Espana SA
34984 849 210 215 BILISIM TELEKOM
13188 739 94 131 Ukraine
31148 731 37 9 FreeNet ISP
6830 717 2313 436 UPC Broadband
20940 701 228 548 Akamai Technologies European
8551 622 367 39 Bezeq International
58113 602 67 365 LIR DATACENTER TELECOM SRL
2118 559 97 14 EUnet/RELCOM Autonomous Syste
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 2260 386 205 Types of queries are: POCs, o
28573 2180 1285 66 Types of queries are: POCs, o
7303 1668 1138 201 Telecom Argentina S.A.
6503 1529 435 69 Axtel, S.A.B. de C.V.
8151 1461 3035 351 Uninet S.A. de C.V.
27947 731 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 595 716 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 872 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
6713 518 666 20 Itissalat Al-MAGHRIB
8452 514 958 13 TEDATA
24835 289 80 8 RAYA Telecom - Egypt
3741 268 906 225 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
7029 3255 995 237 Windstream Communications Inc
6389 3150 3720 150 BellSouth.net Inc.
17974 2431 826 46 PT Telekomunikasi Indonesia
10620 2260 386 205 Types of queries are: POCs, o
28573 2180 1285 66 Types of queries are: POCs, o
4766 2102 11550 604 Korea Telecom (KIX)
18566 2078 381 182 Covad Communications Co.
22773 1945 2931 129 Cox Communications Inc.
1785 1929 678 124 PaeTec Communications, Inc.
7545 1796 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 3150 3000 BellSouth.net Inc.
17974 2431 2385 PT Telekomunikasi Indonesia
28573 2180 2114 Types of queries are: POCs, o
10620 2260 2055 Types of queries are: POCs, o
18566 2078 1896 Covad Communications Co.
22773 1945 1816 Cox Communications Inc.
1785 1929 1805 PaeTec Communications, Inc.
8402 1736 1720 Corbina telecom
7545 1796 1706 TPG Internet Pty Ltd
4766 2102 1498 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
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
27.112.114.0/24 23884 Proimage Engineering and Comm
41.222.80.0/21 37110 Moztel LDA
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
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 /12:242
/13:475 /14:860 /15:1562 /16:12382 /17:6567 /18:10792
/19:21415 /20:30709 /21:32674 /22:43142 /23:40150 /24:224713
/25:9 /26:12 /27:11 /28:144 /29:187 /30:90
/31:0 /32:141
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2640 3255 Windstream Communications Inc
18566 2028 2078 Covad Communications Co.
6389 1781 3150 BellSouth.net Inc.
8402 1452 1736 Corbina telecom
30036 1279 1366 Mediacom Communications Corp
22773 1275 1945 Cox Communications Inc.
11492 1145 1180 CABLE ONE, INC.
6503 1050 1529 Axtel, S.A.B. de C.V.
1785 1017 1929 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)
----------------------------------------------
1:618 2:753 3:1 4:13 5:656 6:3
8:486 12:1956 13:3 14:681 15:10 16:3
17:6 20:27 23:211 24:1772 27:1415 31:1305
32:49 33:2 34:2 36:7 37:1051 38:836
39:2 40:140 41:2655 42:179 44:3 46:1668
47:2 49:507 50:609 52:12 54:27 55:4
57:31 58:986 59:547 60:229 61:1272 62:1044
63:2017 64:4328 65:2196 66:4481 67:2079 68:1161
69:3221 70:927 71:555 72:1893 74:2617 75:484
76:299 77:978 78:1010 79:504 80:1231 81:990
82:629 83:540 84:526 85:1159 86:517 87:958
88:351 89:1747 90:305 91:5359 92:588 93:1556
94:1818 95:1397 96:409 97:323 98:969 99:37
100:30 101:290 103:1838 105:514 106:119 107:203
108:464 109:1656 110:804 111:983 112:456 113:720
114:649 115:874 116:869 117:749 118:960 119:1212
120:359 121:664 122:1704 123:1174 124:1287 125:1288
128:529 129:189 130:281 131:656 132:310 133:143
134:242 135:62 136:214 137:234 138:340 139:172
140:477 141:290 142:479 143:355 144:489 145:86
146:519 147:260 148:717 149:328 150:148 151:217
152:394 153:183 154:20 155:435 156:224 157:325
158:279 159:588 160:338 161:390 162:369 163:181
164:576 165:447 166:479 167:562 168:976 169:128
170:970 171:149 172:6 173:1707 174:625 175:457
176:736 177:1415 178:1669 180:1354 181:177 182:1106
183:300 184:636 185:94 186:2060 187:1407 188:1771
189:1588 190:5939 192:6000 193:5422 194:4246 195:3584
196:1212 197:275 198:3906 199:5072 200:5936 201:1923
202:8542 203:8622 204:4372 205:2526 206:2679 207:2739
208:4069 209:3596 210:2751 211:1520 212:2149 213:1862
214:860 215:74 216:5177 217:1599 218:570 219:293
220:1252 221:533 222:334 223:413
End of report
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