* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 21 Nov, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 426058
Prefixes after maximum aggregation: 177972
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 212580
Total ASes present in the Internet Routing Table: 39370
Prefixes per ASN: 10.82
Origin-only ASes present in the Internet Routing Table: 33870
Origin ASes announcing only one prefix: 15847
Transit ASes present in the Internet Routing Table: 5500
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: 39
Max AS path prepend of ASN ( 22394) 36
Prefixes from unregistered ASNs in the Routing Table: 1670
Unregistered ASNs in the Routing Table: 413
Number of 32-bit ASNs allocated by the RIRs: 3501
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8442
Special use prefixes present in the Routing Table: 21
Prefixes being announced from unallocated address space: 155
Number of addresses announced to Internet: 2632673280
Equivalent to 156 /8s, 235 /16s and 104 /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: 148409
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99126
Total APNIC prefixes after maximum aggregation: 31229
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 100571
Unique aggregates announced from the APNIC address blocks: 43101
APNIC Region origin ASes present in the Internet Routing Table: 4748
APNIC Prefixes per ASN: 21.18
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: 711838976
Equivalent to 42 /8s, 109 /16s and 205 /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: 153851
Total ARIN prefixes after maximum aggregation: 77950
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154609
Unique aggregates announced from the ARIN address blocks: 69977
ARIN Region origin ASes present in the Internet Routing Table: 15231
ARIN Prefixes per ASN: 10.15
ARIN Region origin ASes announcing only one prefix: 5759
ARIN Region transit ASes present in the Internet Routing Table: 1525
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 39
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1087333888
Equivalent to 64 /8s, 207 /16s and 102 /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: 110585
Total RIPE prefixes after maximum aggregation: 57809
RIPE Deaggregation factor: 1.91
Prefixes being announced from the RIPE address blocks: 113397
Unique aggregates announced from the RIPE address blocks: 72876
RIPE Region origin ASes present in the Internet Routing Table: 16953
RIPE Prefixes per ASN: 6.69
RIPE Region origin ASes announcing only one prefix: 8148
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: 23
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 648680960
Equivalent to 38 /8s, 170 /16s and 22 /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: 43727
Total LACNIC prefixes after maximum aggregation: 8662
LACNIC Deaggregation factor: 5.05
Prefixes being announced from the LACNIC address blocks: 47225
Unique aggregates announced from the LACNIC address blocks: 22893
LACNIC Region origin ASes present in the Internet Routing Table: 1699
LACNIC Prefixes per ASN: 27.80
LACNIC Region origin ASes announcing only one prefix: 490
LACNIC Region transit ASes present in the Internet Routing Table: 312
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: 119373824
Equivalent to 7 /8s, 29 /16s and 128 /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: 9577
Total AfriNIC prefixes after maximum aggregation: 2268
AfriNIC Deaggregation factor: 4.22
Prefixes being announced from the AfriNIC address blocks: 10100
Unique aggregates announced from the AfriNIC address blocks: 3596
AfriNIC Region origin ASes present in the Internet Routing Table: 571
AfriNIC Prefixes per ASN: 17.69
AfriNIC Region origin ASes announcing only one prefix: 178
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: 42869760
Equivalent to 2 /8s, 142 /16s and 36 /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 2430 826 46 PT Telekomunikasi Indonesia
4766 2101 11550 602 Korea Telecom (KIX)
7545 1782 301 88 TPG Internet Pty Ltd
4755 1601 375 159 TATA Communications formerly
9829 1409 1154 41 National Internet Backbone
9583 1209 92 535 Sify Limited
7552 1126 1062 11 Vietel Corporation
24560 1040 385 165 Bharti Airtel Ltd., Telemedia
9498 1021 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 3201 992 191 Windstream Communications Inc
6389 3153 3720 151 BellSouth.net Inc.
18566 2078 381 182 Covad Communications Co.
22773 1940 2929 126 Cox Communications Inc.
1785 1928 678 124 PaeTec Communications, Inc.
20115 1683 1606 628 Charter Communications
4323 1586 1169 392 tw telecom holdings, inc.
30036 1362 283 759 Mediacom Communications Corp
7018 1287 10308 858 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 1723 544 16 Corbina telecom
12479 849 777 64 France Telecom Espana SA
34984 840 210 208 BILISIM TELEKOM
13188 731 94 130 Ukraine
31148 731 37 9 FreeNet ISP
6830 717 2313 436 UPC Broadband
20940 701 228 548 Akamai Technologies European
8551 616 364 61 Bezeq International
58113 602 67 365 LIR DATACENTER TELECOM SRL
2118 595 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 2175 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 1460 3041 351 Uninet S.A. de C.V.
27947 726 78 88 Telconet S.A
3816 658 309 68 Types of queries are: POCs, o
11172 602 101 68 Alestra, S. de R.L. de C.V.
18881 594 716 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 874 323 38 LINKdotNET AS number
36998 772 48 3 MOBITEL
6713 516 650 19 Itissalat Al-MAGHRIB
8452 506 958 13 TEDATA
24835 289 80 8 RAYA Telecom - Egypt
3741 268 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15399 194 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 3201 992 191 Windstream Communications Inc
6389 3153 3720 151 BellSouth.net Inc.
17974 2430 826 46 PT Telekomunikasi Indonesia
10620 2260 386 205 Types of queries are: POCs, o
28573 2175 1285 66 Types of queries are: POCs, o
4766 2101 11550 602 Korea Telecom (KIX)
18566 2078 381 182 Covad Communications Co.
22773 1940 2929 126 Cox Communications Inc.
1785 1928 678 124 PaeTec Communications, Inc.
7545 1782 301 88 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 3153 3002 BellSouth.net Inc.
17974 2430 2384 PT Telekomunikasi Indonesia
28573 2175 2109 Types of queries are: POCs, o
10620 2260 2055 Types of queries are: POCs, o
18566 2078 1896 Covad Communications Co.
22773 1940 1814 Cox Communications Inc.
1785 1928 1804 PaeTec Communications, Inc.
8402 1723 1707 Corbina telecom
7545 1782 1694 TPG Internet Pty Ltd
4766 2101 1499 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
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
41.222.80.0/21 37110 Moztel LDA
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
/13:476 /14:855 /15:1563 /16:12383 /17:6575 /18:10839
/19:21361 /20:30723 /21:32706 /22:43012 /23:40131 /24:224449
/25:9 /26:12 /27:11 /28:144 /29:188 /30:89
/31:0 /32:139
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2640 3201 Windstream Communications Inc
18566 2028 2078 Covad Communications Co.
6389 1783 3153 BellSouth.net Inc.
8402 1443 1723 Corbina telecom
30036 1276 1362 Mediacom Communications Corp
22773 1272 1940 Cox Communications Inc.
11492 1145 1180 CABLE ONE, INC.
6503 1050 1529 Axtel, S.A.B. de C.V.
1785 1016 1928 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)
----------------------------------------------
1:607 2:752 3:1 4:13 5:638 6:3
8:485 12:1957 13:3 14:678 15:11 16:3
17:6 20:27 23:212 24:1775 27:1412 31:1300
32:49 33:2 34:2 36:7 37:1056 38:838
39:2 40:140 41:2641 42:179 44:3 46:1654
47:2 49:511 50:602 52:12 54:27 55:4
57:31 58:981 59:541 60:230 61:1271 62:949
63:2017 64:4327 65:2192 66:4499 67:2097 68:1161
69:3225 70:928 71:555 72:1893 74:2617 75:484
76:300 77:987 78:1002 79:504 80:1229 81:988
82:628 83:531 84:521 85:1158 86:519 87:958
88:350 89:1737 90:300 91:5349 92:588 93:1528
94:1804 95:1398 96:412 97:323 98:970 99:37
100:30 101:291 103:1793 105:514 106:119 107:203
108:462 109:1645 110:817 111:976 112:432 113:717
114:681 115:876 116:867 117:745 118:954 119:1217
120:356 121:663 122:1696 123:1167 124:1298 125:1285
128:523 129:189 130:279 131:659 132:309 133:143
134:245 135:62 136:217 137:236 138:339 139:173
140:478 141:289 142:478 143:363 144:487 145:85
146:521 147:256 148:720 149:325 150:148 151:215
152:448 153:183 154:21 155:431 156:224 157:324
158:278 159:587 160:337 161:389 162:369 163:180
164:577 165:446 166:478 167:562 168:971 169:128
170:920 171:148 172:7 173:1704 174:644 175:453
176:728 177:1481 178:1666 180:1378 181:173 182:1098
183:300 184:630 185:74 186:2070 187:1414 188:1761
189:1599 190:5834 192:6001 193:5424 194:4265 195:3596
196:1242 197:270 198:3884 199:5073 200:5954 201:1973
202:8540 203:8600 204:4358 205:2521 206:2672 207:2740
208:4077 209:3591 210:2749 211:1519 212:2143 213:1872
214:862 215:75 216:5174 217:1595 218:565 219:293
220:1253 221:531 222:337 223:409
End of report
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