Routing Table Report 04:00 +10GMT Wed 27 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 473089
Prefixes after maximum aggregation: 189538
Deaggregation factor: 2.50
Unique aggregates announced to Internet: 234843
Total ASes present in the Internet Routing Table: 41361
Prefixes per ASN: 11.44
Origin-only ASes present in the Internet Routing Table: 35385
Origin ASes announcing only one prefix: 16277
Transit ASes present in the Internet Routing Table: 5976
Transit-only ASes present in the Internet Routing Table: 172
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 103
Max AS path prepend of ASN ( 50404) 101
Prefixes from unregistered ASNs in the Routing Table: 1001
Unregistered ASNs in the Routing Table: 282
Number of 32-bit ASNs allocated by the RIRs: 5400
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 13266
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 1209
Number of addresses announced to Internet: 2654875740
Equivalent to 158 /8s, 62 /16s and 48 /24s
Percentage of available address space announced: 71.7
Percentage of allocated address space announced: 71.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.3
Total number of prefixes smaller than registry allocations: 164924
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 112358
Total APNIC prefixes after maximum aggregation: 34033
APNIC Deaggregation factor: 3.30
Prefixes being announced from the APNIC address blocks: 114615
Unique aggregates announced from the APNIC address blocks: 47869
APNIC Region origin ASes present in the Internet Routing Table: 4881
APNIC Prefixes per ASN: 23.48
APNIC Region origin ASes announcing only one prefix: 1221
APNIC Region transit ASes present in the Internet Routing Table: 835
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 728942016
Equivalent to 43 /8s, 114 /16s and 197 /24s
Percentage of available APNIC address space announced: 85.2
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-63999, 131072-133631
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: 162830
Total ARIN prefixes after maximum aggregation: 81608
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 163669
Unique aggregates announced from the ARIN address blocks: 75881
ARIN Region origin ASes present in the Internet Routing Table: 15931
ARIN Prefixes per ASN: 10.27
ARIN Region origin ASes announcing only one prefix: 6003
ARIN Region transit ASes present in the Internet Routing Table: 1660
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: 0
Number of ARIN addresses announced to Internet: 1073864320
Equivalent to 64 /8s, 1 /16s and 222 /24s
Percentage of available ARIN address space announced: 56.8
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, 62464-63487, 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: 119372
Total RIPE prefixes after maximum aggregation: 61072
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 123113
Unique aggregates announced from the RIPE address blocks: 78820
RIPE Region origin ASes present in the Internet Routing Table: 17524
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8294
RIPE Region transit ASes present in the Internet Routing Table: 2845
Average RIPE Region AS path length visible: 5.2
Max RIPE Region AS path length visible: 103
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 655227876
Equivalent to 39 /8s, 13 /16s and 251 /24s
Percentage of available RIPE address space announced: 95.3
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, 61952-62463, 196608-200191
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: 52844
Total LACNIC prefixes after maximum aggregation: 10034
LACNIC Deaggregation factor: 5.27
Prefixes being announced from the LACNIC address blocks: 58124
Unique aggregates announced from the LACNIC address blocks: 27282
LACNIC Region origin ASes present in the Internet Routing Table: 2046
LACNIC Prefixes per ASN: 28.41
LACNIC Region origin ASes announcing only one prefix: 548
LACNIC Region transit ASes present in the Internet Routing Table: 395
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 144046392
Equivalent to 8 /8s, 149 /16s and 249 /24s
Percentage of available LACNIC address space announced: 85.9
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 262144-263679 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: 11717
Total AfriNIC prefixes after maximum aggregation: 2593
AfriNIC Deaggregation factor: 4.52
Prefixes being announced from the AfriNIC address blocks: 12359
Unique aggregates announced from the AfriNIC address blocks: 4022
AfriNIC Region origin ASes present in the Internet Routing Table: 688
AfriNIC Prefixes per ASN: 17.96
AfriNIC Region origin ASes announcing only one prefix: 211
AfriNIC Region transit ASes present in the Internet Routing Table: 140
Average AfriNIC Region AS path length visible: 4.7
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: 48681984
Equivalent to 2 /8s, 230 /16s and 212 /24s
Percentage of available AfriNIC address space announced: 48.4
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 2933 11557 940 Korea Telecom (KIX)
17974 2715 902 88 PT TELEKOMUNIKASI INDONESIA
7545 2111 319 111 TPG Internet Pty Ltd
4755 1792 392 190 TATA Communications formerly
9829 1544 1245 45 BSNL National Internet Backbo
9583 1247 95 507 Sify Limited
9498 1212 309 73 BHARTI Airtel Ltd.
7552 1165 1080 13 Vietel Corporation
4808 1145 2119 337 CNCGROUP IP network: China169
24560 1096 382 166 Bharti Airtel Ltd., Telemedia
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
6389 3042 3688 53 BellSouth.net Inc.
22773 2206 2939 136 Cox Communications, Inc.
18566 2055 379 178 MegaPath Corporation
1785 2044 685 132 PaeTec Communications, Inc.
20115 1682 1653 602 Charter Communications
4323 1640 1098 419 Time Warner Telecom
701 1506 11144 781 MCI Communications Services,
30036 1393 314 576 Mediacom Communications Corp
7018 1332 17779 871 AT&T WorldNet Services
6983 1295 756 580 ITC^Deltacom
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 1955 544 16 OJSC "Vimpelcom"
34984 1363 244 224 TELLCOM ILETISIM HIZMETLERI A
20940 1159 434 877 Akamai Technologies European
31148 1009 45 19 FreeNet ISP
13188 896 99 48 TOV "Bank-Inform"
6849 869 363 39 JSC UKRTELECOM,
8551 785 370 41 Bezeq International
6830 772 2327 424 UPC Distribution Services
12479 675 798 53 Uni2 Autonomous System
35228 548 246 16 Avatar Broadband Limited
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
28573 3384 1801 89 NET Servicos de Comunicao S.A
10620 2671 433 213 Telmex Colombia S.A.
7303 1729 1151 232 Telecom Argentina Stet-France
18881 1668 908 20 Global Village Telecom
8151 1359 2850 420 UniNet S.A. de C.V.
11830 867 364 15 Instituto Costarricense de El
27947 847 93 90 Telconet S.A
6503 787 434 61 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia S.A
3816 757 310 124 COLOMBIA TELECOMUNICACIONES S
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
36998 1864 112 5 Sudanese Mobile Telephone (ZA
24863 868 338 26 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 413 956 9 TEDATA
24835 297 144 9 RAYA Telecom - Egypt
3741 256 921 214 The Internet Solution
29571 227 17 14 Ci Telecom Autonomous system
36992 222 501 29 Etisalat MISR
15706 221 32 6 Sudatel Internet Exchange Aut
29975 192 668 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
28573 3384 1801 89 NET Servicos de Comunicao S.A
6389 3042 3688 53 BellSouth.net Inc.
4766 2933 11557 940 Korea Telecom (KIX)
17974 2715 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2671 433 213 Telmex Colombia S.A.
22773 2206 2939 136 Cox Communications, Inc.
7545 2111 319 111 TPG Internet Pty Ltd
18566 2055 379 178 MegaPath Corporation
1785 2044 685 132 PaeTec Communications, Inc.
8402 1955 544 16 OJSC "Vimpelcom"
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 3042 2989 BellSouth.net Inc.
17974 2715 2627 PT TELEKOMUNIKASI INDONESIA
10620 2671 2458 Telmex Colombia S.A.
22773 2206 2070 Cox Communications, Inc.
7545 2111 2000 TPG Internet Pty Ltd
4766 2933 1993 Korea Telecom (KIX)
8402 1955 1939 OJSC "Vimpelcom"
1785 2044 1912 PaeTec Communications, Inc.
18566 2055 1877 MegaPath Corporation
36998 1864 1859 Sudanese Mobile Telephone (ZA
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
62828 UNALLOCATED 8.21.130.0/24 4323 Time Warner Telecom
62850 UNALLOCATED 8.25.147.0/24 3356 Level 3 Communicatio
62734 UNALLOCATED 8.31.128.0/24 6939 Hurricane Electric
62773 UNALLOCATED 8.35.180.0/22 3356 Level 3 Communicatio
65160 PRIVATE 12.1.58.0/24 17361 Sungard Trading Syst
65160 PRIVATE 12.1.59.0/24 17361 Sungard Trading Syst
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
62719 UNALLOCATED 12.27.130.0/24 4323 Time Warner Telecom
62861 UNALLOCATED 12.37.197.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
100.100.0.0/24 4847 China Networks Inter-Exchange
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.90.128.0/18 27418 OUTOFWALL INC.
23.91.0.0/19 40676 Psychz Networks
23.91.4.0/24 40676 Psychz Networks
23.91.14.0/24 40676 Psychz Networks
23.91.32.0/19 36315 Servpac Inc.
23.91.80.0/20 21560 Capital Technology Services G
23.91.96.0/20 37958 ChinaCache Networks ASN
23.91.112.0/21 32475 MidPhase Inc.
23.91.120.0/21 36351 SoftLayer Technologies Inc.
23.91.160.0/19 36493 3757277 Canada Inc. (oa 295.c
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 /8:16 /9:11 /10:31 /11:92 /12:253
/13:474 /14:924 /15:1627 /16:12828 /17:6773 /18:11313
/19:23104 /20:32936 /21:35691 /22:50097 /23:43895 /24:250512
/25:878 /26:996 /27:470 /28:50 /29:82 /30:22
/31:0 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2009 2055 MegaPath Corporation
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1700 3042 BellSouth.net Inc.
8402 1639 1955 OJSC "Vimpelcom"
22773 1461 2206 Cox Communications, Inc.
30036 1235 1393 Mediacom Communications Corp
11492 1195 1233 Cable One
1785 1088 2044 PaeTec Communications, Inc.
6983 1036 1295 ITC^Deltacom
22561 964 1240 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:905 2:867 3:3 4:17 5:992 6:21
8:609 12:1875 13:3 14:900 15:11 16:3
17:18 18:19 20:25 23:597 24:1759 27:1714
31:1501 32:45 33:2 34:5 36:87 37:1937
38:918 39:5 40:182 41:3240 42:290 44:14
46:2044 47:10 49:697 50:855 52:12 54:44
55:5 56:4 57:26 58:1169 59:578 60:368
61:1491 62:1251 63:1977 64:4387 65:2350 66:4154
67:2093 68:1091 69:3302 70:893 71:488 72:2019
74:2579 75:318 76:304 77:1156 78:1091 79:662
80:1281 81:1050 82:645 83:682 84:592 85:1252
86:379 87:1022 88:559 89:1564 90:152 91:5689
92:612 93:1603 94:2083 95:1563 96:519 97:347
98:1066 99:41 100:32 101:655 103:3717 105:528
106:142 107:218 108:536 109:1991 110:980 111:1114
112:607 113:813 114:759 115:1060 116:999 117:826
118:1187 119:1291 120:340 121:761 122:1872 123:1269
124:1422 125:1431 128:660 129:231 130:354 131:654
132:353 133:158 134:305 135:72 136:278 137:250
138:351 139:179 140:195 141:335 142:547 143:397
144:497 145:90 146:534 147:414 148:774 149:370
150:153 151:646 152:412 153:205 154:53 155:501
156:305 157:418 158:282 159:780 160:361 161:458
162:865 163:227 164:622 165:586 166:261 167:630
168:1040 169:125 170:1109 171:184 172:27 173:1626
174:665 175:531 176:1315 177:2525 178:1872 179:304
180:1596 181:834 182:1392 183:460 184:621 185:1061
186:2656 187:1463 188:1860 189:1260 190:7085 192:7083
193:5434 194:4037 195:3364 196:1338 197:1031 198:4754
199:5499 200:6007 201:2479 202:8998 203:8914 204:4549
205:2653 206:2842 207:2802 208:3963 209:3628 210:3064
211:1593 212:2150 213:1981 214:895 215:86 216:5408
217:1707 218:627 219:323 220:1277 221:584 222:328
223:507
End of report