* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 28 Nov, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 426688
Prefixes after maximum aggregation: 178176
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 212693
Total ASes present in the Internet Routing Table: 39374
Prefixes per ASN: 10.84
Origin-only ASes present in the Internet Routing Table: 33872
Origin ASes announcing only one prefix: 15815
Transit ASes present in the Internet Routing Table: 5502
Transit-only ASes present in the Internet Routing Table: 137
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: 1725
Unregistered ASNs in the Routing Table: 435
Number of 32-bit ASNs allocated by the RIRs: 3528
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8482
Special use prefixes present in the Routing Table: 21
Prefixes being announced from unallocated address space: 153
Number of addresses announced to Internet: 2634690304
Equivalent to 157 /8s, 10 /16s and 47 /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: 93.9
Total number of prefixes smaller than registry allocations: 148754
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99140
Total APNIC prefixes after maximum aggregation: 31250
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 100622
Unique aggregates announced from the APNIC address blocks: 43202
APNIC Region origin ASes present in the Internet Routing Table: 4756
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: 748
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: 712610048
Equivalent to 42 /8s, 121 /16s and 145 /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: 154129
Total ARIN prefixes after maximum aggregation: 78047
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154873
Unique aggregates announced from the ARIN address blocks: 70090
ARIN Region origin ASes present in the Internet Routing Table: 15233
ARIN Prefixes per ASN: 10.17
ARIN Region origin ASes announcing only one prefix: 5765
ARIN Region transit ASes present in the Internet Routing Table: 1526
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: 1087288320
Equivalent to 64 /8s, 206 /16s and 180 /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: 110700
Total RIPE prefixes after maximum aggregation: 57827
RIPE Deaggregation factor: 1.91
Prefixes being announced from the RIPE address blocks: 113560
Unique aggregates announced from the RIPE address blocks: 72947
RIPE Region origin ASes present in the Internet Routing Table: 16937
RIPE Prefixes per ASN: 6.70
RIPE Region origin ASes announcing only one prefix: 8109
RIPE Region transit ASes present in the Internet Routing Table: 2709
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: 649201152
Equivalent to 38 /8s, 178 /16s and 6 /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: 43841
Total LACNIC prefixes after maximum aggregation: 8721
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 47299
Unique aggregates announced from the LACNIC address blocks: 22801
LACNIC Region origin ASes present in the Internet Routing Table: 1702
LACNIC Prefixes per ASN: 27.79
LACNIC Region origin ASes announcing only one prefix: 494
LACNIC Region transit ASes present in the Internet Routing Table: 310
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: 119974400
Equivalent to 7 /8s, 38 /16s and 170 /24s
Percentage of available LACNIC address space announced: 71.5
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: 9653
Total AfriNIC prefixes after maximum aggregation: 2277
AfriNIC Deaggregation factor: 4.24
Prefixes being announced from the AfriNIC address blocks: 10180
Unique aggregates announced from the AfriNIC address blocks: 3518
AfriNIC Region origin ASes present in the Internet Routing Table: 577
AfriNIC Prefixes per ASN: 17.64
AfriNIC Region origin ASes announcing only one prefix: 175
AfriNIC Region transit ASes present in the Internet Routing Table: 128
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: 43036928
Equivalent to 2 /8s, 144 /16s and 177 /24s
Percentage of available AfriNIC address space announced: 42.8
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 2100 11550 604 Korea Telecom (KIX)
7545 1801 301 90 TPG Internet Pty Ltd
4755 1605 374 159 TATA Communications formerly
9829 1400 1154 41 National Internet Backbone
9583 1170 88 502 Sify Limited
7552 1127 1062 11 Vietel Corporation
24560 1040 385 165 Bharti Airtel Ltd., Telemedia
9498 1029 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 3254 995 237 Windstream Communications Inc
6389 3147 3719 148 BellSouth.net Inc.
18566 2077 381 182 Covad Communications Co.
22773 1935 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 1371 282 746 Mediacom Communications Corp
7018 1291 10308 857 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 1717 544 16 Corbina telecom
12479 857 777 64 France Telecom Espana SA
34984 849 210 215 BILISIM TELEKOM
13188 739 94 130 Ukraine
31148 732 37 9 FreeNet ISP
6830 717 2313 436 UPC Broadband
20940 699 228 546 Akamai Technologies European
8551 622 367 39 Bezeq International
58113 603 68 366 LIR DATACENTER TELECOM SRL
2118 560 97 15 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 2262 386 206 Types of queries are: POCs, o
28573 2179 1284 71 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 1459 3035 350 Uninet S.A. de C.V.
27947 727 77 87 Telconet S.A
3816 660 309 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 519 666 20 Itissalat Al-MAGHRIB
8452 505 958 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 3254 995 237 Windstream Communications Inc
6389 3147 3719 148 BellSouth.net Inc.
17974 2430 826 46 PT Telekomunikasi Indonesia
10620 2262 386 206 Types of queries are: POCs, o
28573 2179 1284 71 Types of queries are: POCs, o
4766 2100 11550 604 Korea Telecom (KIX)
18566 2077 381 182 Covad Communications Co.
22773 1935 2931 129 Cox Communications Inc.
1785 1929 678 124 PaeTec Communications, Inc.
7545 1801 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 3147 2999 BellSouth.net Inc.
17974 2430 2384 PT Telekomunikasi Indonesia
28573 2179 2108 Types of queries are: POCs, o
10620 2262 2056 Types of queries are: POCs, o
18566 2077 1895 Covad Communications Co.
22773 1935 1806 Cox Communications Inc.
1785 1929 1805 PaeTec Communications, Inc.
7545 1801 1711 TPG Internet Pty Ltd
8402 1717 1701 Corbina telecom
4766 2100 1496 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
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
66.171.32.0/20 705 MCI Communications Services,
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
/13:476 /14:860 /15:1563 /16:12397 /17:6590 /18:10802
/19:21441 /20:30705 /21:32681 /22:43140 /23:40170 /24:224886
/25:9 /26:12 /27:11 /28:141 /29:184 /30:88
/31:0 /32:140
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2639 3254 Windstream Communications Inc
18566 2027 2077 Covad Communications Co.
6389 1781 3147 BellSouth.net Inc.
8402 1436 1717 Corbina telecom
30036 1284 1371 Mediacom Communications Corp
22773 1273 1935 Cox Communications Inc.
11492 1146 1181 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)
----------------------------------------------
1:617 2:747 3:1 4:13 5:654 6:3
8:489 12:1955 13:3 14:684 15:11 16:3
17:6 20:27 23:210 24:1770 27:1413 31:1295
32:49 33:2 34:2 36:7 37:1049 38:839
39:2 40:140 41:2664 42:179 44:3 46:1660
47:2 49:508 50:612 52:12 54:27 55:5
57:31 58:985 59:547 60:229 61:1275 62:1049
63:2018 64:4328 65:2194 66:4494 67:2096 68:1163
69:3231 70:926 71:555 72:1892 74:2619 75:484
76:299 77:975 78:1017 79:511 80:1214 81:990
82:630 83:540 84:528 85:1161 86:476 87:957
88:355 89:1743 90:305 91:5360 92:586 93:1539
94:1820 95:1394 96:408 97:323 98:970 99:37
100:30 101:293 103:1842 105:516 106:119 107:203
108:463 109:1658 110:795 111:971 112:455 113:721
114:647 115:874 116:864 117:749 118:961 119:1207
120:359 121:664 122:1704 123:1176 124:1289 125:1291
128:526 129:189 130:281 131:658 132:285 133:143
134:243 135:62 136:214 137:235 138:340 139:172
140:477 141:291 142:479 143:357 144:485 145:86
146:519 147:261 148:722 149:329 150:148 151:216
152:396 153:183 154:20 155:436 156:224 157:328
158:279 159:590 160:336 161:393 162:369 163:181
164:577 165:447 166:479 167:562 168:976 169:128
170:970 171:149 172:6 173:1714 174:627 175:457
176:737 177:1421 178:1674 180:1356 181:178 182:1106
183:300 184:634 185:98 186:2051 187:1397 188:1772
189:1577 190:5954 192:6006 193:5430 194:4246 195:3583
196:1236 197:278 198:3904 199:5081 200:5950 201:1978
202:8545 203:8620 204:4374 205:2538 206:2675 207:2739
208:4072 209:3619 210:2751 211:1523 212:2144 213:1871
214:888 215:74 216:5191 217:1599 218:574 219:292
220:1255 221:533 222:336 223:413
End of report
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