* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Mon 20 Aug, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 422169
Prefixes after maximum aggregation: 177719
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 204543
Total ASes present in the Internet Routing Table: 41856
Prefixes per ASN: 10.09
Origin-only ASes present in the Internet Routing Table: 33475
Origin ASes announcing only one prefix: 15719
Transit ASes present in the Internet Routing Table: 5619
Transit-only ASes present in the Internet Routing Table: 139
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 32
Max AS path prepend of ASN ( 48687) 24
Prefixes from unregistered ASNs in the Routing Table: 554
Unregistered ASNs in the Routing Table: 181
Number of 32-bit ASNs allocated by the RIRs: 3142
Number of 32-bit ASNs visible in the Routing Table: 2762
Prefixes from 32-bit ASNs in the Routing Table: 7144
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 158
Number of addresses announced to Internet: 2591628684
Equivalent to 154 /8s, 121 /16s and 29 /24s
Percentage of available address space announced: 69.9
Percentage of allocated address space announced: 70.0
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 93.2
Total number of prefixes smaller than registry allocations: 148673
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 101894
Total APNIC prefixes after maximum aggregation: 32684
APNIC Deaggregation factor: 3.12
Prefixes being announced from the APNIC address blocks: 102474
Unique aggregates announced from the APNIC address blocks: 42320
APNIC Region origin ASes present in the Internet Routing Table: 4737
APNIC Prefixes per ASN: 21.63
APNIC Region origin ASes announcing only one prefix: 1242
APNIC Region transit ASes present in the Internet Routing Table: 761
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 285
Number of APNIC addresses announced to Internet: 708288128
Equivalent to 42 /8s, 55 /16s and 158 /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: 153735
Total ARIN prefixes after maximum aggregation: 77878
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154759
Unique aggregates announced from the ARIN address blocks: 68807
ARIN Region origin ASes present in the Internet Routing Table: 15225
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5755
ARIN Region transit ASes present in the Internet Routing Table: 1609
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1084256384
Equivalent to 64 /8s, 160 /16s and 112 /24s
Percentage of available ARIN address space announced: 57.4
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: 106883
Total RIPE prefixes after maximum aggregation: 56444
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 108744
Unique aggregates announced from the RIPE address blocks: 67708
RIPE Region origin ASes present in the Internet Routing Table: 16782
RIPE Prefixes per ASN: 6.48
RIPE Region origin ASes announcing only one prefix: 8131
RIPE Region transit ASes present in the Internet Routing Table: 2722
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1796
Number of RIPE addresses announced to Internet: 642861796
Equivalent to 38 /8s, 81 /16s and 74 /24s
Percentage of available RIPE address space announced: 93.5
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: 42719
Total LACNIC prefixes after maximum aggregation: 8456
LACNIC Deaggregation factor: 5.05
Prefixes being announced from the LACNIC address blocks: 45927
Unique aggregates announced from the LACNIC address blocks: 22126
LACNIC Region origin ASes present in the Internet Routing Table: 1621
LACNIC Prefixes per ASN: 28.33
LACNIC Region origin ASes announcing only one prefix: 421
LACNIC Region transit ASes present in the Internet Routing Table: 317
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 658
Number of LACNIC addresses announced to Internet: 114245288
Equivalent to 6 /8s, 207 /16s and 62 /24s
Percentage of available LACNIC address space announced: 68.1
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: 9648
Total AfriNIC prefixes after maximum aggregation: 2202
AfriNIC Deaggregation factor: 4.38
Prefixes being announced from the AfriNIC address blocks: 10107
Unique aggregates announced from the AfriNIC address blocks: 3452
AfriNIC Region origin ASes present in the Internet Routing Table: 556
AfriNIC Prefixes per ASN: 18.18
AfriNIC Region origin ASes announcing only one prefix: 170
AfriNIC Region transit ASes present in the Internet Routing Table: 124
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 41678592
Equivalent to 2 /8s, 123 /16s and 247 /24s
Percentage of available AfriNIC address space announced: 41.4
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
4766 2760 11117 1250 Korea Telecom (KIX)
17974 2342 702 54 PT TELEKOMUNIKASI INDONESIA
7545 1712 301 84 TPG Internet Pty Ltd
4755 1607 386 158 TATA Communications formerly
9829 1312 1084 31 BSNL National Internet Backbo
9583 1170 86 509 Sify Limited
4808 1133 2055 326 CNCGROUP IP network: China169
7552 1104 1062 11 Vietel Corporation
24560 1040 386 160 Bharti Airtel Ltd., Telemedia
9498 998 294 74 BHARTI Airtel Ltd.
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7029 3447 990 154 Windstream Communications Inc
6389 3367 3772 192 bellsouth.net, inc.
18566 2087 382 180 Covad Communications
1785 1939 680 128 PaeTec Communications, Inc.
22773 1729 2914 127 Cox Communications, Inc.
20115 1647 1572 611 Charter Communications
4323 1575 1026 386 Time Warner Telecom
30036 1459 290 773 Mediacom Communications Corp
7018 1240 10034 808 AT&T WorldNet Services
11492 1194 217 348 Cable One
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1541 544 16 Corbina telecom
15557 1216 2247 55 LDCOM NETWORKS
12479 827 764 85 Uni2 Autonomous System
34984 750 189 175 BILISIM TELEKOM
6830 715 2311 446 UPC Distribution Services
20940 710 229 551 Akamai Technologies European
31148 708 37 9 FreeNet ISP
2118 685 97 14 EUnet/RELCOM Autonomous Syste
13188 657 100 9 Educational Network
58113 616 69 362 LIR DATACENTER TELECOM SRL
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
10620 2088 355 216 TVCABLE BOGOTA
28573 2039 1242 55 NET Servicos de Comunicao S.A
7303 1564 1033 201 Telecom Argentina Stet-France
8151 1474 3038 345 UniNet S.A. de C.V.
6503 1178 419 65 AVANTEL, S.A.
6458 882 81 15 GUATEL
27947 715 74 95 Telconet S.A
3816 602 255 90 Empresa Nacional de Telecomun
11172 590 85 69 Servicios Alestra S.A de C.V
22047 580 326 15 VTR PUNTO NET S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 892 958 13 TEDATA
24863 869 275 36 LINKdotNET AS number
36998 532 48 3 MOBITEL
6713 517 650 19 Itissalat Al-MAGHRIB
24835 286 80 8 RAYA Telecom - Egypt
3741 262 904 223 The Internet Solution
12258 195 28 62 Vodacom Internet Company
33776 194 13 11 Starcomms Nigeria Limited
15706 193 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
7029 3447 990 154 Windstream Communications Inc
6389 3367 3772 192 bellsouth.net, inc.
4766 2760 11117 1250 Korea Telecom (KIX)
17974 2342 702 54 PT TELEKOMUNIKASI INDONESIA
10620 2088 355 216 TVCABLE BOGOTA
18566 2087 382 180 Covad Communications
28573 2039 1242 55 NET Servicos de Comunicao S.A
1785 1939 680 128 PaeTec Communications, Inc.
22773 1729 2914 127 Cox Communications, Inc.
7545 1712 301 84 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3367 3175 bellsouth.net, inc.
17974 2342 2288 PT TELEKOMUNIKASI INDONESIA
28573 2039 1984 NET Servicos de Comunicao S.A
18566 2087 1907 Covad Communications
10620 2088 1872 TVCABLE BOGOTA
1785 1939 1811 PaeTec Communications, Inc.
7545 1712 1628 TPG Internet Pty Ltd
22773 1729 1602 Cox Communications, Inc.
8402 1541 1525 Corbina telecom
4766 2760 1510 Korea Telecom (KIX)
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
59414 UNALLOCATED 5.102.144.0/21 15576 Nextra backbone in D
59395 UNALLOCATED 5.133.16.0/21 12658 Dexterity Networks L
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
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 5.149.65.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.66.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.67.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.68.0/24 43179 RIPE Network Coordin
59457 UNALLOCATED 5.149.71.0/24 35567 DASTO semtel d.o.o.
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
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
41.207.224.0/23 36898 UniNet Communications
Complete listing at http://thyme.rand.apnic.net/current/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 /8:20 /9:14 /10:29 /11:84 /12:237
/13:475 /14:845 /15:1532 /16:12357 /17:6388 /18:10780
/19:21011 /20:30070 /21:31927 /22:41898 /23:39709 /24:220912
/25:1253 /26:1504 /27:850 /28:170 /29:62 /30:18
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2807 3447 Windstream Communications Inc
18566 2037 2087 Covad Communications
6389 1856 3367 bellsouth.net, inc.
30036 1393 1459 Mediacom Communications Corp
8402 1269 1541 Corbina telecom
15557 1160 1216 LDCOM NETWORKS
11492 1157 1194 Cable One
22773 1135 1729 Cox Communications, Inc.
1785 1041 1939 PaeTec Communications, Inc.
7011 929 1190 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:563 2:749 3:1 4:13 5:354 6:3
8:441 12:2010 13:1 14:640 15:11 16:3
17:6 20:27 23:201 24:1801 27:1329 31:1028
32:56 33:2 34:2 36:8 37:711 38:823
39:1 40:133 41:2870 42:156 44:3 46:1574
47:2 49:436 50:585 52:13 54:15 55:5
56:1 57:31 58:987 59:518 60:238 61:1282
62:990 63:2011 64:4266 65:2246 66:4538 67:2055
68:1159 69:3209 70:987 71:523 72:1867 74:2608
75:490 76:330 77:950 78:907 79:498 80:1274
81:956 82:636 83:534 84:627 85:1131 86:787
87:934 88:348 89:1810 90:301 91:5105 92:591
93:1474 94:1570 95:1269 96:407 97:317 98:895
99:39 100:22 101:258 103:1401 105:512 106:113
107:193 108:428 109:1909 110:800 111:955 112:433
113:679 114:656 115:835 116:882 117:726 118:942
119:1258 120:300 121:694 122:1657 123:1167 124:1354
125:1265 128:522 129:185 130:275 131:627 132:265
133:22 134:244 135:61 136:216 137:239 138:338
139:184 140:501 141:268 142:483 143:361 144:487
145:79 146:510 147:255 148:774 149:300 150:155
151:168 152:457 153:175 154:20 155:416 156:225
157:381 158:179 159:637 160:345 161:411 162:401
163:189 164:685 165:413 166:565 167:535 168:954
169:125 170:905 171:145 172:5 173:1727 174:630
175:437 176:604 177:1020 178:1677 180:1342 181:123
182:1035 183:227 184:588 186:2084 187:1133 188:1438
189:1557 190:6153 192:6012 193:5459 194:4233 195:3260
196:1234 197:201 198:3715 199:4914 200:5995 201:1953
202:8707 203:8656 204:4395 205:2542 206:2814 207:2858
208:4040 209:3640 210:2771 211:1541 212:2017 213:1805
214:875 215:85 216:5118 217:1551 218:548 219:316
220:1240 221:529 222:335 223:380
End of report
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