* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Fri 07 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 428790
Prefixes after maximum aggregation: 178360
Deaggregation factor: 2.40
Unique aggregates announced to Internet: 213264
Total ASes present in the Internet Routing Table: 39438
Prefixes per ASN: 10.87
Origin-only ASes present in the Internet Routing Table: 33917
Origin ASes announcing only one prefix: 15850
Transit ASes present in the Internet Routing Table: 5521
Transit-only ASes present in the Internet Routing Table: 130
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 40
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 1778
Unregistered ASNs in the Routing Table: 459
Number of 32-bit ASNs allocated by the RIRs: 3560
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8548
Special use prefixes present in the Routing Table: 21
Prefixes being announced from unallocated address space: 153
Number of addresses announced to Internet: 2637791232
Equivalent to 157 /8s, 57 /16s and 128 /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: 149648
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99296
Total APNIC prefixes after maximum aggregation: 31276
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 100811
Unique aggregates announced from the APNIC address blocks: 43238
APNIC Region origin ASes present in the Internet Routing Table: 4759
APNIC Prefixes per ASN: 21.18
APNIC Region origin ASes announcing only one prefix: 1274
APNIC Region transit ASes present in the Internet Routing Table: 755
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: 713601280
Equivalent to 42 /8s, 136 /16s and 177 /24s
Percentage of available APNIC address space announced: 83.4
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: 154066
Total ARIN prefixes after maximum aggregation: 77977
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 154788
Unique aggregates announced from the ARIN address blocks: 69969
ARIN Region origin ASes present in the Internet Routing Table: 15251
ARIN Prefixes per ASN: 10.15
ARIN Region origin ASes announcing only one prefix: 5768
ARIN Region transit ASes present in the Internet Routing Table: 1537
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1088781056
Equivalent to 64 /8s, 229 /16s and 123 /24s
Percentage of available ARIN address space announced: 57.6
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: 111948
Total RIPE prefixes after maximum aggregation: 57915
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 114843
Unique aggregates announced from the RIPE address blocks: 73345
RIPE Region origin ASes present in the Internet Routing Table: 16959
RIPE Prefixes per ASN: 6.77
RIPE Region origin ASes announcing only one prefix: 8128
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: 40
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 649552128
Equivalent to 38 /8s, 183 /16s and 97 /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: 44334
Total LACNIC prefixes after maximum aggregation: 8804
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 47771
Unique aggregates announced from the LACNIC address blocks: 22960
LACNIC Region origin ASes present in the Internet Routing Table: 1725
LACNIC Prefixes per ASN: 27.69
LACNIC Region origin ASes announcing only one prefix: 496
LACNIC Region transit ASes present in the Internet Routing Table: 314
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: 120242688
Equivalent to 7 /8s, 42 /16s and 194 /24s
Percentage of available LACNIC address space announced: 71.7
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: 9842
Total AfriNIC prefixes after maximum aggregation: 2334
AfriNIC Deaggregation factor: 4.22
Prefixes being announced from the AfriNIC address blocks: 10423
Unique aggregates announced from the AfriNIC address blocks: 3617
AfriNIC Region origin ASes present in the Internet Routing Table: 582
AfriNIC Prefixes per ASN: 17.91
AfriNIC Region origin ASes announcing only one prefix: 184
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: 15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0
Number of AfriNIC addresses announced to Internet: 43014912
Equivalent to 2 /8s, 144 /16s and 91 /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 2431 826 46 PT Telekomunikasi Indonesia
4766 2100 11550 604 Korea Telecom (KIX)
7545 1803 301 90 TPG Internet Pty Ltd
4755 1632 381 168 TATA Communications formerly
9829 1412 1156 42 National Internet Backbone
9583 1169 87 502 Sify Limited
7552 1123 1062 11 Vietel Corporation
24560 1035 385 165 Bharti Airtel Ltd., Telemedia
9498 1033 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 3195 994 218 Windstream Communications Inc
6389 3137 3719 142 BellSouth.net Inc.
18566 2076 381 182 Covad Communications Co.
22773 1941 2932 131 Cox Communications Inc.
1785 1932 677 122 PaeTec Communications, Inc.
20115 1686 1607 622 Charter Communications
4323 1587 1169 394 tw telecom holdings, inc.
30036 1312 276 794 Mediacom Communications Corp
7018 1289 10565 856 AT&T Services, Inc.
7011 1216 330 692 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 1716 544 16 Corbina telecom
2118 1424 97 15 EUnet/RELCOM Autonomous Syste
12479 858 777 64 France Telecom Espana SA
34984 852 210 218 BILISIM TELEKOM
13188 743 95 132 Ukraine
31148 738 38 13 FreeNet ISP
6830 716 2313 437 UPC Broadband
20940 701 228 546 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 2200 1290 71 Types of queries are: POCs, o
7303 1671 1138 202 Telecom Argentina S.A.
6503 1530 435 69 Axtel, S.A.B. de C.V.
8151 1459 3025 351 Uninet S.A. de C.V.
27947 731 78 88 Telconet S.A
3816 654 308 83 Types of queries are: POCs, o
11172 603 101 68 Alestra, S. de R.L. de C.V.
18881 602 716 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 529 958 13 TEDATA
6713 519 666 20 Itissalat Al-MAGHRIB
24835 291 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15399 194 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 3195 994 218 Windstream Communications Inc
6389 3137 3719 142 BellSouth.net Inc.
17974 2431 826 46 PT Telekomunikasi Indonesia
10620 2262 386 206 Types of queries are: POCs, o
28573 2200 1290 71 Types of queries are: POCs, o
4766 2100 11550 604 Korea Telecom (KIX)
18566 2076 381 182 Covad Communications Co.
22773 1941 2932 131 Cox Communications Inc.
1785 1932 677 122 PaeTec Communications, Inc.
7545 1803 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 3137 2995 BellSouth.net Inc.
17974 2431 2385 PT Telekomunikasi Indonesia
28573 2200 2129 Types of queries are: POCs, o
10620 2262 2056 Types of queries are: POCs, o
18566 2076 1894 Covad Communications Co.
22773 1941 1810 Cox Communications Inc.
1785 1932 1810 PaeTec Communications, Inc.
7545 1803 1713 TPG Internet Pty Ltd
8402 1716 1700 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
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
59581 UNALLOCATED 5.149.8.0/21 25577 C4L main AS
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 /11:87 /12:244
/13:475 /14:859 /15:1559 /16:12431 /17:6593 /18:10872
/19:21509 /20:30717 /21:32767 /22:43371 /23:40264 /24:226384
/25:9 /26:12 /27:11 /28:141 /29:190 /30:91
/31:0 /32:142
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2620 3195 Windstream Communications Inc
18566 2026 2076 Covad Communications Co.
6389 1780 3137 BellSouth.net Inc.
8402 1433 1716 Corbina telecom
22773 1274 1941 Cox Communications Inc.
30036 1225 1312 Mediacom Communications Corp
11492 1147 1183 CABLE ONE, INC.
6503 1051 1530 Axtel, S.A.B. de C.V.
1785 1020 1932 PaeTec Communications, Inc.
7011 953 1216 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:610 2:710 3:1 4:13 5:666 6:3
8:488 12:1949 13:3 14:688 15:11 16:3
17:6 20:27 23:217 24:1785 27:1407 31:1327
32:49 33:2 34:2 36:7 37:1065 38:836
39:2 40:140 41:2752 42:179 44:3 46:1690
47:3 49:510 50:613 52:12 54:27 55:7
57:31 58:988 59:547 60:229 61:1275 62:1041
63:2018 64:4354 65:2200 66:4472 67:2085 68:1181
69:3243 70:925 71:547 72:1908 74:2621 75:479
76:298 77:1021 78:1001 79:508 80:1211 81:984
82:631 83:531 84:530 85:1154 86:475 87:956
88:347 89:1758 90:304 91:5363 92:586 93:1561
94:2016 95:1296 96:453 97:322 98:963 99:37
100:30 101:283 103:1875 105:516 106:119 107:203
108:472 109:1691 110:806 111:969 112:454 113:724
114:638 115:869 116:866 117:750 118:971 119:1214
120:371 121:665 122:1699 123:1167 124:1289 125:1288
128:527 129:190 130:279 131:637 132:314 133:143
134:243 135:62 136:214 137:231 138:343 139:165
140:154 141:301 142:487 143:355 144:487 145:81
146:514 147:255 148:721 149:329 150:147 151:234
152:396 153:183 154:21 155:440 156:223 157:328
158:256 159:597 160:334 161:391 162:370 163:174
164:578 165:445 166:476 167:562 168:987 169:129
170:982 171:169 172:6 173:1706 174:627 175:461
176:850 177:1446 178:1690 180:1339 181:179 182:1112
183:306 184:624 185:111 186:2100 187:1428 188:1791
189:1602 190:6112 192:6031 193:5827 194:4650 195:3671
196:1247 197:282 198:3926 199:5083 200:5963 201:1985
202:8547 203:8630 204:4364 205:2532 206:2661 207:2745
208:4068 209:3630 210:2770 211:1527 212:2122 213:1883
214:888 215:74 216:5160 217:1610 218:578 219:302
220:1255 221:542 222:336 223:359
End of report
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