* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 15 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 421962
Prefixes after maximum aggregation: 177020
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 210474
Total ASes present in the Internet Routing Table: 39186
Prefixes per ASN: 10.77
Origin-only ASes present in the Internet Routing Table: 33718
Origin ASes announcing only one prefix: 15801
Transit ASes present in the Internet Routing Table: 5468
Transit-only ASes present in the Internet Routing Table: 132
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1491
Unregistered ASNs in the Routing Table: 336
Number of 32-bit ASNs allocated by the RIRs: 3378
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8057
Special use prefixes present in the Routing Table: 19
Prefixes being announced from unallocated address space: 170
Number of addresses announced to Internet: 2624681728
Equivalent to 156 /8s, 113 /16s and 119 /24s
Percentage of available address space announced: 70.9
Percentage of allocated address space announced: 70.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.8
Total number of prefixes smaller than registry allocations: 146357
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97856
Total APNIC prefixes after maximum aggregation: 31136
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 99173
Unique aggregates announced from the APNIC address blocks: 42937
APNIC Region origin ASes present in the Internet Routing Table: 4724
APNIC Prefixes per ASN: 20.99
APNIC Region origin ASes announcing only one prefix: 1273
APNIC Region transit ASes present in the Internet Routing Table: 745
Average APNIC Region AS path length visible: 4.1
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: 709007872
Equivalent to 42 /8s, 66 /16s and 154 /24s
Percentage of available APNIC address space announced: 82.9
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: 152988
Total ARIN prefixes after maximum aggregation: 77691
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153804
Unique aggregates announced from the ARIN address blocks: 69297
ARIN Region origin ASes present in the Internet Routing Table: 15207
ARIN Prefixes per ASN: 10.11
ARIN Region origin ASes announcing only one prefix: 5772
ARIN Region transit ASes present in the Internet Routing Table: 1534
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 21
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1086609664
Equivalent to 64 /8s, 196 /16s and 89 /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: 109512
Total RIPE prefixes after maximum aggregation: 57384
RIPE Deaggregation factor: 1.91
Prefixes being announced from the RIPE address blocks: 112166
Unique aggregates announced from the RIPE address blocks: 71947
RIPE Region origin ASes present in the Internet Routing Table: 16876
RIPE Prefixes per ASN: 6.65
RIPE Region origin ASes announcing only one prefix: 8131
RIPE Region transit ASes present in the Internet Routing Table: 2688
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 646924288
Equivalent to 38 /8s, 143 /16s and 72 /24s
Percentage of available RIPE address space announced: 94.0
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: 43201
Total LACNIC prefixes after maximum aggregation: 8516
LACNIC Deaggregation factor: 5.07
Prefixes being announced from the LACNIC address blocks: 46553
Unique aggregates announced from the LACNIC address blocks: 22596
LACNIC Region origin ASes present in the Internet Routing Table: 1651
LACNIC Prefixes per ASN: 28.20
LACNIC Region origin ASes announcing only one prefix: 453
LACNIC Region transit ASes present in the Internet Routing Table: 306
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: 117440000
Equivalent to 6 /8s, 255 /16s and 254 /24s
Percentage of available LACNIC address space announced: 70.0
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: 9624
Total AfriNIC prefixes after maximum aggregation: 2236
AfriNIC Deaggregation factor: 4.30
Prefixes being announced from the AfriNIC address blocks: 10095
Unique aggregates announced from the AfriNIC address blocks: 3547
AfriNIC Region origin ASes present in the Internet Routing Table: 563
AfriNIC Prefixes per ASN: 17.93
AfriNIC Region origin ASes announcing only one prefix: 172
AfriNIC Region transit ASes present in the Internet Routing Table: 127
Average AfriNIC Region AS path length visible: 3.4
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: 42122240
Equivalent to 2 /8s, 130 /16s and 188 /24s
Percentage of available AfriNIC address space announced: 41.8
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 2365 830 54 PT Telekomunikasi Indonesia
4766 2113 11421 606 Korea Telecom (KIX)
7545 1762 301 86 TPG Internet Pty Ltd
4755 1600 387 162 TATA Communications formerly
9829 1401 1154 41 National Internet Backbone
9583 1214 90 521 Sify Limited
7552 1047 1062 11 Vietel Corporation
24560 1033 382 170 Bharti Airtel Ltd., Telemedia
9498 1022 310 74 BHARTI Airtel Ltd.
18101 1017 135 171 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
6389 3201 3727 173 BellSouth.net Inc.
7029 3127 990 162 Windstream Communications Inc
18566 2072 381 182 Covad Communications Co.
1785 1930 678 128 PaeTec Communications, Inc.
22773 1907 2931 128 Cox Communications Inc.
20115 1655 1582 618 Charter Communications
4323 1583 1170 391 tw telecom holdings, inc.
30036 1344 268 751 Mediacom Communications Corp
7018 1272 10320 846 AT&T Services, Inc.
7011 1207 329 701 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 1707 544 16 Corbina telecom
2118 1396 97 14 EUnet/RELCOM Autonomous Syste
12479 821 770 73 France Telecom Espana SA
34984 797 206 182 BILISIM TELEKOM
6830 725 2313 447 UPC Broadband
31148 725 37 9 FreeNet ISP
13188 698 92 154 Ukraine
20940 689 223 535 Akamai Technologies European
58113 603 67 364 LIR DATACENTER TELECOM SRL
8551 598 364 61 Bezeq International
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 2204 379 219 Types of queries are: POCs, o
28573 2130 1277 60 Types of queries are: POCs, o
7303 1566 1035 203 Telecom Argentina S.A.
6503 1528 435 70 Axtel, S.A.B. de C.V.
8151 1444 3026 353 Uninet S.A. de C.V.
27947 705 74 87 Telconet S.A
3816 650 309 69 Types of queries are: POCs, o
11172 596 101 66 Alestra, S. de R.L. de C.V.
14420 588 87 102 CORPORACION NACIONAL DE TELEC
7738 586 1178 33 Telecomunicacoes da Bahia S.A
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 895 307 37 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 652 958 13 TEDATA
6713 516 650 19 Itissalat Al-MAGHRIB
24835 270 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15706 192 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
15399 176 29 5 Wananchi Online Limited
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
6389 3201 3727 173 BellSouth.net Inc.
7029 3127 990 162 Windstream Communications Inc
17974 2365 830 54 PT Telekomunikasi Indonesia
10620 2204 379 219 Types of queries are: POCs, o
28573 2130 1277 60 Types of queries are: POCs, o
4766 2113 11421 606 Korea Telecom (KIX)
18566 2072 381 182 Covad Communications Co.
1785 1930 678 128 PaeTec Communications, Inc.
22773 1907 2931 128 Cox Communications Inc.
7545 1762 301 86 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
7029 3127 2965 Windstream Communications Inc
17974 2365 2311 PT Telekomunikasi Indonesia
28573 2130 2070 Types of queries are: POCs, o
10620 2204 1985 Types of queries are: POCs, o
18566 2072 1890 Covad Communications Co.
1785 1930 1802 PaeTec Communications, Inc.
22773 1907 1779 Cox Communications Inc.
8402 1707 1691 Corbina telecom
7545 1762 1676 TPG Internet Pty Ltd
4766 2113 1507 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
59414 UNALLOCATED 5.102.144.0/21 15576 NTS workspace AG
59395 UNALLOCATED 5.133.16.0/21 3549 Global Crossing
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
59457 UNALLOCATED 5.149.64.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.64.0/19 35567 DASTO semtel d.o.o.
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
128.0.24.0/21 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
128.0.128.0/20 29285 AMT closed joint-stock compan
128.0.144.0/22 59675 >>UNKNOWN<<
128.0.160.0/21 23456 32-bit ASN transition
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
41.220.80.0/24 38925 G.I.T. TELECOM LIMITED
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 /9:14 /10:30 /11:87 /12:241
/13:475 /14:851 /15:1555 /16:12396 /17:6517 /18:10765
/19:21144 /20:30298 /21:32304 /22:42520 /23:39807 /24:222376
/25:9 /26:13 /27:8 /28:143 /29:170 /30:86
/31:0 /32:134
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2617 3127 Windstream Communications Inc
18566 2022 2072 Covad Communications Co.
6389 1794 3201 BellSouth.net Inc.
8402 1423 1707 Corbina telecom
30036 1272 1344 Mediacom Communications Corp
22773 1246 1907 Cox Communications Inc.
11492 1165 1202 CABLE ONE, INC.
6503 1050 1528 Axtel, S.A.B. de C.V.
1785 1017 1930 PaeTec Communications, Inc.
7011 946 1207 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:601 2:728 3:1 4:13 5:567 6:3
8:487 12:1982 13:1 14:653 15:11 16:3
17:6 20:27 23:201 24:1783 27:1370 31:1049
32:49 33:2 34:2 36:7 37:845 38:822
39:2 40:137 41:2792 42:158 44:3 46:1626
47:2 49:453 50:584 52:12 54:25 55:7
56:5 57:31 58:982 59:534 60:231 61:1278
62:955 63:1990 64:4274 65:2227 66:4516 67:2080
68:1154 69:3215 70:986 71:505 72:1870 74:2602
75:483 76:311 77:961 78:947 79:501 80:1234
81:975 82:636 83:537 84:522 85:1157 86:498
87:949 88:364 89:1824 90:304 91:5263 92:583
93:1504 94:1626 95:1128 96:395 97:325 98:964
99:36 100:30 101:267 103:1641 105:512 106:120
107:199 108:456 109:1592 110:797 111:966 112:440
113:706 114:619 115:884 116:869 117:737 118:960
119:1182 120:338 121:672 122:1595 123:1151 124:1298
125:1281 128:529 129:184 130:269 131:633 132:304
133:22 134:241 135:62 136:220 137:236 138:337
139:168 140:474 141:284 142:473 143:338 144:477
145:82 146:502 147:265 148:736 149:326 150:150
151:196 152:448 153:179 154:19 155:396 156:223
157:328 158:261 159:576 160:346 161:386 162:363
163:180 164:557 165:423 166:528 167:553 168:987
169:125 170:914 171:166 172:7 173:1656 174:627
175:448 176:772 177:1279 178:1628 180:1347 181:162
182:1077 183:304 184:594 185:29 186:2217 187:1330
188:1747 189:1594 190:5831 192:5993 193:5763 194:4613
195:3660 196:1234 197:240 198:3804 199:5053 200:5942
201:1958 202:8500 203:8602 204:4327 205:2511 206:2675
207:2766 208:4052 209:3612 210:2762 211:1524 212:2031
213:1823 214:878 215:87 216:5114 217:1574 218:558
219:296 220:1241 221:533 222:337 223:410
End of report
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