Routing Table Report 04:00 +10GMT Sun 02 Feb, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 480766
Prefixes after maximum aggregation: 191196
Deaggregation factor: 2.51
Unique aggregates announced to Internet: 238194
Total ASes present in the Internet Routing Table: 46049
Prefixes per ASN: 10.44
Origin-only ASes present in the Internet Routing Table: 35569
Origin ASes announcing only one prefix: 16382
Transit ASes present in the Internet Routing Table: 6010
Transit-only ASes present in the Internet Routing Table: 169
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 53
Max AS path prepend of ASN ( 50404) 51
Prefixes from unregistered ASNs in the Routing Table: 1862
Unregistered ASNs in the Routing Table: 495
Number of 32-bit ASNs allocated by the RIRs: 5870
Number of 32-bit ASNs visible in the Routing Table: 4470
Prefixes from 32-bit ASNs in the Routing Table: 14219
Number of bogon 32-bit ASNs visible in the Routing Table: 14
Special use prefixes present in the Routing Table: 12
Prefixes being announced from unallocated address space: 448
Number of addresses announced to Internet: 2666751524
Equivalent to 158 /8s, 243 /16s and 102 /24s
Percentage of available address space announced: 72.0
Percentage of allocated address space announced: 72.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.7
Total number of prefixes smaller than registry allocations: 167560
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 114218
Total APNIC prefixes after maximum aggregation: 34396
APNIC Deaggregation factor: 3.32
Prefixes being announced from the APNIC address blocks: 116701
Unique aggregates announced from the APNIC address blocks: 49000
APNIC Region origin ASes present in the Internet Routing Table: 4886
APNIC Prefixes per ASN: 23.88
APNIC Region origin ASes announcing only one prefix: 1219
APNIC Region transit ASes present in the Internet Routing Table: 843
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 819
Number of APNIC addresses announced to Internet: 730300544
Equivalent to 43 /8s, 135 /16s and 128 /24s
Percentage of available APNIC address space announced: 85.4
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: 164831
Total ARIN prefixes after maximum aggregation: 82571
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 166115
Unique aggregates announced from the ARIN address blocks: 77099
ARIN Region origin ASes present in the Internet Routing Table: 16101
ARIN Prefixes per ASN: 10.32
ARIN Region origin ASes announcing only one prefix: 6084
ARIN Region transit ASes present in the Internet Routing Table: 1679
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 21
Number of ARIN region 32-bit ASNs visible in the Routing Table: 60
Number of ARIN addresses announced to Internet: 1077880064
Equivalent to 64 /8s, 63 /16s and 37 /24s
Percentage of available ARIN address space announced: 57.0
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: 121244
Total RIPE prefixes after maximum aggregation: 61600
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 125095
Unique aggregates announced from the RIPE address blocks: 79914
RIPE Region origin ASes present in the Internet Routing Table: 17634
RIPE Prefixes per ASN: 7.09
RIPE Region origin ASes announcing only one prefix: 8332
RIPE Region transit ASes present in the Internet Routing Table: 2855
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 53
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2599
Number of RIPE addresses announced to Internet: 656533892
Equivalent to 39 /8s, 33 /16s and 233 /24s
Percentage of available RIPE address space announced: 95.4
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: 54036
Total LACNIC prefixes after maximum aggregation: 9959
LACNIC Deaggregation factor: 5.43
Prefixes being announced from the LACNIC address blocks: 59614
Unique aggregates announced from the LACNIC address blocks: 27652
LACNIC Region origin ASes present in the Internet Routing Table: 2064
LACNIC Prefixes per ASN: 28.88
LACNIC Region origin ASes announcing only one prefix: 548
LACNIC Region transit ASes present in the Internet Routing Table: 403
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 32
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 983
Number of LACNIC addresses announced to Internet: 149064992
Equivalent to 8 /8s, 226 /16s and 141 /24s
Percentage of available LACNIC address space announced: 88.8
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: 12101
Total AfriNIC prefixes after maximum aggregation: 2632
AfriNIC Deaggregation factor: 4.60
Prefixes being announced from the AfriNIC address blocks: 12793
Unique aggregates announced from the AfriNIC address blocks: 4155
AfriNIC Region origin ASes present in the Internet Routing Table: 699
AfriNIC Prefixes per ASN: 18.30
AfriNIC Region origin ASes announcing only one prefix: 199
AfriNIC Region transit ASes present in the Internet Routing Table: 149
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: 9
Number of AfriNIC addresses announced to Internet: 50420736
Equivalent to 3 /8s, 1 /16s and 92 /24s
Percentage of available AfriNIC address space announced: 50.1
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 2955 11559 949 Korea Telecom
17974 2742 902 88 PT Telekomunikasi Indonesia
7545 2152 320 116 TPG Telecom Limited
4755 1814 392 193 TATA Communications formerly
9829 1572 1283 39 National Internet Backbone
9583 1301 102 534 Sify Limited
7552 1235 1080 13 Viettel Corporation
9498 1215 309 69 BHARTI Airtel Ltd.
4808 1168 2117 354 CNCGROUP IP network China169
24560 1094 382 167 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 3026 3688 53 BellSouth.net Inc.
22773 2325 2940 139 Cox Communications Inc.
1785 2156 689 129 PaeTec Communications, Inc.
18566 2048 379 178 MegaPath Corporation
20115 1684 1664 580 Charter Communications
4323 1632 1090 410 tw telecom holdings, inc.
701 1498 11173 768 MCI Communications Services,
30036 1372 296 567 Mediacom Communications Corp
6983 1296 756 581 ITC^Deltacom
7018 1293 18004 844 AT&T Services, Inc.
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 1780 544 16 OJSC "Vimpelcom"
34984 1395 244 227 TELLCOM ILETISIM HIZMETLERI A
20940 1215 453 915 Akamai International B.V.
13188 1046 100 20 TOV "Bank-Inform"
31148 1014 45 21 Freenet Ltd.
6849 860 361 36 JSC "Ukrtelecom"
8551 826 370 41 Bezeq International-Ltd
6830 772 2327 425 Liberty Global Operations B.V
12479 697 797 55 France Telecom Espana SA
35228 553 246 16 Telefonica UK 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 3342 1878 78 NET Serviços de Comunicação S
10620 2714 437 222 Telmex Colombia S.A.
18881 1834 908 20 Global Village Telecom
7303 1744 1165 219 Telecom Argentina S.A.
8151 1374 2882 427 Uninet S.A. de C.V.
6503 877 434 61 Axtel, S.A.B. de C.V.
11830 869 364 15 Instituto Costarricense de El
7738 847 1626 39 Telemar Norte Leste S.A.
27947 837 93 94 Telconet S.A
6147 767 373 27 Telefonica del Peru S.A.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
36998 1810 240 6 Sudanese Mobile Telephone (ZA
24863 912 380 28 Link Egypt (Link.NET)
6713 602 685 28 Office National des Postes et
8452 479 956 9 TE-AS
24835 298 144 9 Vodafone Data
36992 271 783 24 ETISALAT MISR
3741 246 921 208 Internet Solutions
29571 246 21 14 Cote d'Ivoire Telecom
15706 219 32 6 Sudatel (Sudan Telecom Co. Lt
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 3342 1878 78 NET Serviços de Comunicação S
6389 3026 3688 53 BellSouth.net Inc.
4766 2955 11559 949 Korea Telecom
17974 2742 902 88 PT Telekomunikasi Indonesia
10620 2714 437 222 Telmex Colombia S.A.
22773 2325 2940 139 Cox Communications Inc.
1785 2156 689 129 PaeTec Communications, Inc.
7545 2152 320 116 TPG Telecom Limited
18566 2048 379 178 MegaPath Corporation
18881 1834 908 20 Global Village Telecom
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 3026 2973 BellSouth.net Inc.
17974 2742 2654 PT Telekomunikasi Indonesia
10620 2714 2492 Telmex Colombia S.A.
22773 2325 2186 Cox Communications Inc.
7545 2152 2036 TPG Telecom Limited
1785 2156 2027 PaeTec Communications, Inc.
4766 2955 2006 Korea Telecom
18566 2048 1870 MegaPath Corporation
18881 1834 1814 Global Village Telecom
36998 1810 1804 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
30662 UNALLOCATED 8.2.129.0/24 3356 Level 3 Communicatio
14728 UNALLOCATED 8.8.192.0/23 3356 Level 3 Communicatio
14728 UNALLOCATED 8.8.196.0/22 3356 Level 3 Communicatio
14728 UNALLOCATED 8.8.200.0/23 3356 Level 3 Communicatio
14728 UNALLOCATED 8.8.202.0/23 3356 Level 3 Communicatio
53506 UNALLOCATED 8.17.102.0/23 2828 XO Communications
20260 UNALLOCATED 8.25.160.0/24 3356 Level 3 Communicatio
20260 UNALLOCATED 8.25.161.0/24 3356 Level 3 Communicatio
46473 UNALLOCATED 8.27.122.0/24 12180 Internap Network Ser
46473 UNALLOCATED 8.27.124.0/24 12180 Internap Network Ser
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
100.88.0.0/16 6697 Republican Unitary Telecommun
100.89.0.0/16 6697 Republican Unitary Telecommun
100.90.0.0/16 6697 Republican Unitary Telecommun
100.91.0.0/16 6697 Republican Unitary Telecommun
100.92.0.0/16 6697 Republican Unitary Telecommun
100.93.0.0/16 6697 Republican Unitary Telecommun
100.94.0.0/16 6697 Republican Unitary Telecommun
100.95.0.0/16 6697 Republican Unitary Telecommun
100.104.0.0/13 6697 Republican Unitary Telecommun
100.112.0.0/13 6697 Republican Unitary Telecommun
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.100.7.0/24 56096 >>UNKNOWN<<
41.73.1.0/24 37004 Suburban Telecom
41.73.2.0/24 37004 Suburban Telecom
41.73.10.0/24 37004 Suburban Telecom
41.73.11.0/24 37004 Suburban Telecom
41.73.12.0/24 37004 Suburban Telecom
41.73.13.0/24 37004 Suburban Telecom
41.73.15.0/24 37004 Suburban Telecom
41.73.16.0/24 37004 Suburban Telecom
41.73.18.0/24 37004 Suburban Telecom
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 /9:13 /10:30 /11:92 /12:253
/13:477 /14:945 /15:1652 /16:12900 /17:6817 /18:11509
/19:23720 /20:33428 /21:36077 /22:51274 /23:44652 /24:254710
/25:788 /26:939 /27:427 /28:12 /29:16 /30:8
/31:0 /32:11
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2003 2048 MegaPath Corporation
36998 1771 1810 Sudanese Mobile Telephone (ZA
6389 1697 3026 BellSouth.net Inc.
22773 1569 2325 Cox Communications Inc.
8402 1462 1780 OJSC "Vimpelcom"
30036 1212 1372 Mediacom Communications Corp
11492 1162 1199 CABLE ONE, INC.
1785 1161 2156 PaeTec Communications, Inc.
6983 1037 1296 ITC^Deltacom
22561 980 1261 CenturyTel Internet Holdings,
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:941 2:768 3:3 4:16 5:893 6:21
8:650 12:1858 13:3 14:922 15:9 16:3
17:24 18:19 20:36 23:666 24:1725 27:1732
31:1525 32:44 33:2 34:5 36:118 37:1879
38:919 39:4 40:189 41:3302 42:244 44:14
46:2148 47:12 49:664 50:899 52:12 54:44
55:5 57:26 58:1140 59:589 60:370 61:1512
62:1205 63:1957 64:4385 65:2301 66:4147 67:2036
68:1025 69:3293 70:881 71:471 72:2013 74:2656
75:313 76:307 77:1146 78:1031 79:692 80:1316
81:1103 82:677 83:744 84:723 85:1263 86:466
87:1028 88:521 89:1730 90:146 91:5708 92:674
93:1642 94:2075 95:1483 96:536 97:350 98:1072
99:39 100:32 101:756 103:4092 105:535 106:143
107:418 108:537 109:2055 110:985 111:1234 112:615
113:819 114:776 115:1079 116:1023 117:830 118:1244
119:1304 120:323 121:784 122:1915 123:1256 124:1394
125:1445 128:630 129:240 130:360 131:661 132:349
133:156 134:319 135:74 136:281 137:291 138:350
139:153 140:205 141:355 142:551 143:412 144:497
145:99 146:598 147:416 148:780 149:343 150:151
151:529 152:420 153:208 154:82 155:519 156:317
157:420 158:292 159:844 160:355 161:462 162:1082
163:222 164:672 165:589 166:274 167:643 168:1043
169:123 170:1175 171:196 172:13 173:1622 174:697
175:568 176:1416 177:2688 178:1956 179:412 180:1619
181:965 182:1418 183:495 184:641 185:1222 186:2782
187:1459 188:2011 189:1266 190:7381 191:41 192:7088
193:5448 194:4001 195:3367 196:1355 197:1098 198:4865
199:5538 200:6032 201:2525 202:9026 203:8908 204:4501
205:2656 206:2945 207:2818 208:3967 209:3655 210:3104
211:1641 212:2222 213:1985 214:874 215:84 216:5501
217:1681 218:604 219:323 220:1271 221:593 222:334
223:586
End of report