* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Fri 12 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 421624
Prefixes after maximum aggregation: 177006
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 210360
Total ASes present in the Internet Routing Table: 39165
Prefixes per ASN: 10.77
Origin-only ASes present in the Internet Routing Table: 33681
Origin ASes announcing only one prefix: 15799
Transit ASes present in the Internet Routing Table: 5484
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: 28
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1475
Unregistered ASNs in the Routing Table: 331
Number of 32-bit ASNs allocated by the RIRs: 3368
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8140
Special use prefixes present in the Routing Table: 19
Prefixes being announced from unallocated address space: 166
Number of addresses announced to Internet: 2625894400
Equivalent to 156 /8s, 131 /16s and 248 /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: 146228
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97666
Total APNIC prefixes after maximum aggregation: 31109
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 98996
Unique aggregates announced from the APNIC address blocks: 42892
APNIC Region origin ASes present in the Internet Routing Table: 4722
APNIC Prefixes per ASN: 20.96
APNIC Region origin ASes announcing only one prefix: 1272
APNIC Region transit ASes present in the Internet Routing Table: 750
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: 708916224
Equivalent to 42 /8s, 65 /16s and 52 /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: 153056
Total ARIN prefixes after maximum aggregation: 77757
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153883
Unique aggregates announced from the ARIN address blocks: 69321
ARIN Region origin ASes present in the Internet Routing Table: 15202
ARIN Prefixes per ASN: 10.12
ARIN Region origin ASes announcing only one prefix: 5771
ARIN Region transit ASes present in the Internet Routing Table: 1535
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: 1086670592
Equivalent to 64 /8s, 197 /16s and 71 /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: 109310
Total RIPE prefixes after maximum aggregation: 57350
RIPE Deaggregation factor: 1.91
Prefixes being announced from the RIPE address blocks: 111987
Unique aggregates announced from the RIPE address blocks: 71861
RIPE Region origin ASes present in the Internet Routing Table: 16861
RIPE Prefixes per ASN: 6.64
RIPE Region origin ASes announcing only one prefix: 8124
RIPE Region transit ASes present in the Internet Routing Table: 2700
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: 648081408
Equivalent to 38 /8s, 160 /16s and 240 /24s
Percentage of available RIPE address space announced: 94.2
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: 43028
Total LACNIC prefixes after maximum aggregation: 8485
LACNIC Deaggregation factor: 5.07
Prefixes being announced from the LACNIC address blocks: 46432
Unique aggregates announced from the LACNIC address blocks: 22595
LACNIC Region origin ASes present in the Internet Routing Table: 1653
LACNIC Prefixes per ASN: 28.09
LACNIC Region origin ASes announcing only one prefix: 459
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: 117520896
Equivalent to 7 /8s, 1 /16s and 58 /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: 9692
Total AfriNIC prefixes after maximum aggregation: 2248
AfriNIC Deaggregation factor: 4.31
Prefixes being announced from the AfriNIC address blocks: 10159
Unique aggregates announced from the AfriNIC address blocks: 3542
AfriNIC Region origin ASes present in the Internet Routing Table: 564
AfriNIC Prefixes per ASN: 18.01
AfriNIC Region origin ASes announcing only one prefix: 173
AfriNIC Region transit ASes present in the Internet Routing Table: 124
Average AfriNIC Region AS path length visible: 3.5
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: 42134016
Equivalent to 2 /8s, 130 /16s and 234 /24s
Percentage of available AfriNIC address space announced: 41.9
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 1606 387 162 TATA Communications formerly
9829 1401 1154 41 National Internet Backbone
9583 1214 90 521 Sify Limited
24560 1030 385 162 Bharti Airtel Ltd., Telemedia
18101 1015 135 169 Reliance Infocom Ltd Internet
9498 1014 307 70 BHARTI Airtel Ltd.
7552 994 1062 14 Vietel Corporation
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 3203 3727 173 BellSouth.net Inc.
7029 3127 990 162 Windstream Communications Inc
18566 2072 381 182 Covad Communications Co.
1785 1928 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 1343 268 750 Mediacom Communications Corp
7018 1275 10320 851 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 1697 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 727 2313 447 UPC Broadband
31148 725 37 9 FreeNet ISP
13188 696 92 156 Ukraine
20940 694 225 539 Akamai Technologies European
58113 603 67 364 LIR DATACENTER TELECOM SRL
8551 599 364 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 1529 435 70 Axtel, S.A.B. de C.V.
8151 1448 3057 347 Uninet S.A. de C.V.
27947 705 74 87 Telconet S.A
3816 649 309 69 Types of queries are: POCs, o
11172 592 101 66 Alestra, S. de R.L. de C.V.
14420 589 87 101 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 893 307 37 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 672 958 13 TEDATA
6713 517 650 19 Itissalat Al-MAGHRIB
24835 270 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
15399 196 29 5 Wananchi Online Limited
12258 194 28 66 Vodacom Internet Company
15706 192 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
6389 3203 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 1928 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 1928 1800 PaeTec Communications, Inc.
22773 1907 1779 Cox Communications Inc.
8402 1697 1681 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 12658 Dexterity Networks L
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 /12:242
/13:475 /14:851 /15:1555 /16:12401 /17:6516 /18:10772
/19:21101 /20:30270 /21:32228 /22:42447 /23:39790 /24:222255
/25:9 /26:13 /27:10 /28:143 /29:170 /30:88
/31:0 /32:138
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 1797 3203 BellSouth.net Inc.
8402 1414 1697 Corbina telecom
30036 1271 1343 Mediacom Communications Corp
22773 1246 1907 Cox Communications Inc.
11492 1165 1202 CABLE ONE, INC.
6503 1050 1529 Axtel, S.A.B. de C.V.
1785 1017 1928 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)
----------------------------------------------
1:599 2:730 3:1 4:13 5:566 6:3
8:468 12:1973 13:1 14:653 15:11 16:3
17:6 20:27 23:200 24:1785 27:1369 31:1039
32:49 33:2 34:2 36:7 37:839 38:822
39:2 40:137 41:2846 42:158 44:3 46:1603
47:2 49:456 50:583 52:12 54:25 55:9
56:3 57:31 58:981 59:534 60:231 61:1277
62:953 63:1993 64:4269 65:2227 66:4524 67:2097
68:1153 69:3216 70:986 71:505 72:1876 74:2605
75:483 76:309 77:962 78:960 79:501 80:1245
81:971 82:641 83:538 84:525 85:1157 86:484
87:949 88:364 89:1812 90:302 91:5255 92:583
93:1509 94:1620 95:1112 96:396 97:325 98:961
99:36 100:28 101:267 103:1629 105:512 106:120
107:199 108:455 109:1610 110:805 111:964 112:435
113:711 114:618 115:887 116:867 117:734 118:968
119:1188 120:334 121:676 122:1598 123:1151 124:1292
125:1281 128:528 129:184 130:274 131:633 132:302
133:22 134:241 135:62 136:221 137:236 138:337
139:170 140:474 141:285 142:471 143:383 144:491
145:82 146:501 147:267 148:730 149:327 150:152
151:208 152:449 153:179 154:19 155:427 156:221
157:328 158:259 159:579 160:346 161:385 162:363
163:180 164:513 165:422 166:525 167:554 168:987
169:126 170:914 171:152 172:7 173:1659 174:624
175:448 176:773 177:1282 178:1622 180:1337 181:158
182:1079 183:304 184:608 185:24 186:2253 187:1325
188:1737 189:1591 190:5743 192:5991 193:5759 194:4613
195:3666 196:1233 197:236 198:3796 199:5022 200:5922
201:1941 202:8495 203:8590 204:4332 205:2514 206:2674
207:2764 208:4051 209:3621 210:2750 211:1522 212:2031
213:1818 214:887 215:85 216:5114 217:1574 218:558
219:296 220:1242 221:533 222:337 223:411
End of report
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