* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 09 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 420929
Prefixes after maximum aggregation: 176691
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 210137
Total ASes present in the Internet Routing Table: 39144
Prefixes per ASN: 10.75
Origin-only ASes present in the Internet Routing Table: 33667
Origin ASes announcing only one prefix: 15785
Transit ASes present in the Internet Routing Table: 5477
Transit-only ASes present in the Internet Routing Table: 126
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: 1431
Unregistered ASNs in the Routing Table: 319
Number of 32-bit ASNs allocated by the RIRs: 3363
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8058
Special use prefixes present in the Routing Table: 18
Prefixes being announced from unallocated address space: 155
Number of addresses announced to Internet: 2624883200
Equivalent to 156 /8s, 116 /16s and 138 /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: 93.7
Total number of prefixes smaller than registry allocations: 146024
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97408
Total APNIC prefixes after maximum aggregation: 30991
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 98724
Unique aggregates announced from the APNIC address blocks: 42848
APNIC Region origin ASes present in the Internet Routing Table: 4719
APNIC Prefixes per ASN: 20.92
APNIC Region origin ASes announcing only one prefix: 1264
APNIC Region transit ASes present in the Internet Routing Table: 747
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 708764416
Equivalent to 42 /8s, 62 /16s and 227 /24s
Percentage of available APNIC address space announced: 82.8
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: 152948
Total ARIN prefixes after maximum aggregation: 77688
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153826
Unique aggregates announced from the ARIN address blocks: 69338
ARIN Region origin ASes present in the Internet Routing Table: 15200
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: 1534
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: 1086500864
Equivalent to 64 /8s, 194 /16s and 176 /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: 109072
Total RIPE prefixes after maximum aggregation: 57271
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 111717
Unique aggregates announced from the RIPE address blocks: 71750
RIPE Region origin ASes present in the Internet Routing Table: 16853
RIPE Prefixes per ASN: 6.63
RIPE Region origin ASes announcing only one prefix: 8120
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: 647857664
Equivalent to 38 /8s, 157 /16s and 134 /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: 42975
Total LACNIC prefixes after maximum aggregation: 8437
LACNIC Deaggregation factor: 5.09
Prefixes being announced from the LACNIC address blocks: 46284
Unique aggregates announced from the LACNIC address blocks: 22530
LACNIC Region origin ASes present in the Internet Routing Table: 1650
LACNIC Prefixes per ASN: 28.05
LACNIC Region origin ASes announcing only one prefix: 455
LACNIC Region transit ASes present in the Internet Routing Table: 302
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: 117077760
Equivalent to 6 /8s, 250 /16s and 119 /24s
Percentage of available LACNIC address space announced: 69.8
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: 9746
Total AfriNIC prefixes after maximum aggregation: 2247
AfriNIC Deaggregation factor: 4.34
Prefixes being announced from the AfriNIC address blocks: 10222
Unique aggregates announced from the AfriNIC address blocks: 3533
AfriNIC Region origin ASes present in the Internet Routing Table: 563
AfriNIC Prefixes per ASN: 18.16
AfriNIC Region origin ASes announcing only one prefix: 175
AfriNIC Region transit ASes present in the Internet Routing Table: 125
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: 42125312
Equivalent to 2 /8s, 130 /16s and 200 /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 2364 830 54 PT Telekomunikasi Indonesia
4766 2106 11420 608 Korea Telecom (KIX)
7545 1760 301 87 TPG Internet Pty Ltd
4755 1601 387 162 TATA Communications formerly
9829 1398 1154 41 National Internet Backbone
9583 1227 90 518 Sify Limited
7552 1106 1062 11 Vietel Corporation
24560 1034 385 162 Bharti Airtel Ltd., Telemedia
9498 1021 310 74 BHARTI Airtel Ltd.
18101 1015 135 169 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 3228 3727 172 BellSouth.net Inc.
7029 3164 990 161 Windstream Communications Inc
18566 2085 382 180 Covad Communications Co.
1785 1927 678 128 PaeTec Communications, Inc.
22773 1903 2931 128 Cox Communications Inc.
20115 1656 1582 618 Charter Communications
4323 1577 1170 388 tw telecom holdings, inc.
30036 1348 270 757 Mediacom Communications Corp
7018 1279 10321 851 AT&T Services, Inc.
7011 1205 329 699 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 1692 544 16 Corbina telecom
2118 1399 97 14 EUnet/RELCOM Autonomous Syste
12479 818 769 78 France Telecom Espana SA
34984 793 206 180 BILISIM TELEKOM
31148 722 37 9 FreeNet ISP
6830 718 2313 442 UPC Broadband
13188 696 92 156 Ukraine
20940 682 221 529 Akamai Technologies European
58113 603 67 364 LIR DATACENTER TELECOM SRL
8551 597 364 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 2201 379 222 Types of queries are: POCs, o
28573 2112 1269 59 Types of queries are: POCs, o
7303 1566 1035 202 Telecom Argentina S.A.
6503 1527 435 69 Axtel, S.A.B. de C.V.
8151 1449 3028 349 Uninet S.A. de C.V.
27947 704 74 88 Telconet S.A
3816 645 309 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
22047 580 326 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 891 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 700 958 13 TEDATA
6713 517 650 19 Itissalat Al-MAGHRIB
24835 269 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
29571 164 14 18 Ci Telecom Autonomous system
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 3228 3727 172 BellSouth.net Inc.
7029 3164 990 161 Windstream Communications Inc
17974 2364 830 54 PT Telekomunikasi Indonesia
10620 2201 379 222 Types of queries are: POCs, o
28573 2112 1269 59 Types of queries are: POCs, o
4766 2106 11420 608 Korea Telecom (KIX)
18566 2085 382 180 Covad Communications Co.
1785 1927 678 128 PaeTec Communications, Inc.
22773 1903 2931 128 Cox Communications Inc.
7545 1760 301 87 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 3164 3003 Windstream Communications Inc
17974 2364 2310 PT Telekomunikasi Indonesia
28573 2112 2053 Types of queries are: POCs, o
10620 2201 1979 Types of queries are: POCs, o
18566 2085 1905 Covad Communications Co.
1785 1927 1799 PaeTec Communications, Inc.
22773 1903 1775 Cox Communications Inc.
8402 1692 1676 Corbina telecom
7545 1760 1673 TPG Internet Pty Ltd
4766 2106 1498 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
128.0.80.0/20 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
128.0.168.0/21 15772 W-NET Kiev
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 /14:849 /15:1553 /16:12396 /17:6509 /18:10785
/19:21077 /20:30365 /21:32219 /22:42325 /23:39675 /24:221734
/25:9 /26:13 /27:10 /28:144 /29:171 /30:89
/31:0 /32:139
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2647 3164 Windstream Communications Inc
18566 2035 2085 Covad Communications Co.
6389 1801 3228 BellSouth.net Inc.
8402 1406 1692 Corbina telecom
30036 1280 1348 Mediacom Communications Corp
22773 1244 1903 Cox Communications Inc.
11492 1164 1201 CABLE ONE, INC.
6503 1050 1527 Axtel, S.A.B. de C.V.
1785 1017 1927 PaeTec Communications, Inc.
7011 944 1205 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:592 2:709 3:1 4:13 5:555 6:3
8:468 12:1973 13:1 14:648 15:11 16:3
17:6 20:27 23:201 24:1779 27:1372 31:1039
32:49 33:2 34:2 36:7 37:839 38:822
39:2 40:133 41:2940 42:158 44:3 46:1607
47:2 49:442 50:586 52:12 54:23 55:4
56:3 57:31 58:929 59:531 60:231 61:1182
62:948 63:1994 64:4266 65:2225 66:4509 67:2105
68:1170 69:3222 70:987 71:514 72:1880 74:2601
75:486 76:307 77:958 78:958 79:501 80:1248
81:971 82:641 83:539 84:521 85:1155 86:490
87:930 88:363 89:1785 90:302 91:5234 92:579
93:1511 94:1628 95:1096 96:396 97:325 98:967
99:36 100:28 101:264 103:1610 105:512 106:120
107:199 108:453 109:1578 110:805 111:956 112:435
113:711 114:618 115:878 116:870 117:735 118:960
119:1183 120:334 121:676 122:1593 123:1160 124:1290
125:1281 128:529 129:182 130:274 131:631 132:302
133:22 134:242 135:62 136:220 137:236 138:338
139:169 140:471 141:283 142:471 143:377 144:482
145:82 146:494 147:265 148:732 149:325 150:151
151:197 152:449 153:179 154:19 155:407 156:222
157:328 158:258 159:581 160:344 161:385 162:365
163:180 164:553 165:420 166:526 167:552 168:985
169:126 170:910 171:151 172:7 173:1671 174:631
175:445 176:766 177:1277 178:1616 180:1340 181:149
182:1061 183:296 184:606 185:24 186:2193 187:1310
188:1723 189:1584 190:5750 192:5987 193:5750 194:4614
195:3666 196:1232 197:234 198:3779 199:5021 200:5934
201:1954 202:8459 203:8582 204:4331 205:2514 206:2674
207:2771 208:4044 209:3627 210:2763 211:1520 212:2032
213:1818 214:871 215:86 216:5118 217:1572 218:559
219:294 220:1243 221:511 222:302 223:408
End of report
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