Routing Table Report 04:00 +10GMT Thu 01 May, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 493491
Prefixes after maximum aggregation: 193639
Deaggregation factor: 2.55
Unique aggregates announced to Internet: 243766
Total ASes present in the Internet Routing Table: 46714
Prefixes per ASN: 10.56
Origin-only ASes present in the Internet Routing Table: 35799
Origin ASes announcing only one prefix: 16378
Transit ASes present in the Internet Routing Table: 6046
Transit-only ASes present in the Internet Routing Table: 167
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: 1847
Unregistered ASNs in the Routing Table: 466
Number of 32-bit ASNs allocated by the RIRs: 6488
Number of 32-bit ASNs visible in the Routing Table: 4869
Prefixes from 32-bit ASNs in the Routing Table: 16254
Number of bogon 32-bit ASNs visible in the Routing Table: 152
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 448
Number of addresses announced to Internet: 2677946628
Equivalent to 159 /8s, 158 /16s and 57 /24s
Percentage of available address space announced: 72.3
Percentage of allocated address space announced: 72.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 96.3
Total number of prefixes smaller than registry allocations: 171526
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 117107
Total APNIC prefixes after maximum aggregation: 34943
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 120019
Unique aggregates announced from the APNIC address blocks: 50095
APNIC Region origin ASes present in the Internet Routing Table: 4923
APNIC Prefixes per ASN: 24.38
APNIC Region origin ASes announcing only one prefix: 1223
APNIC Region transit ASes present in the Internet Routing Table: 858
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 927
Number of APNIC addresses announced to Internet: 732809088
Equivalent to 43 /8s, 173 /16s and 199 /24s
Percentage of available APNIC address space announced: 85.6
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: 168607
Total ARIN prefixes after maximum aggregation: 83406
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 170018
Unique aggregates announced from the ARIN address blocks: 79456
ARIN Region origin ASes present in the Internet Routing Table: 16241
ARIN Prefixes per ASN: 10.47
ARIN Region origin ASes announcing only one prefix: 6113
ARIN Region transit ASes present in the Internet Routing Table: 1662
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 91
Number of ARIN addresses announced to Internet: 1074502528
Equivalent to 64 /8s, 11 /16s and 155 /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: 123400
Total RIPE prefixes after maximum aggregation: 62496
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 127968
Unique aggregates announced from the RIPE address blocks: 80779
RIPE Region origin ASes present in the Internet Routing Table: 17678
RIPE Prefixes per ASN: 7.24
RIPE Region origin ASes announcing only one prefix: 8286
RIPE Region transit ASes present in the Internet Routing Table: 2860
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: 2697
Number of RIPE addresses announced to Internet: 657697668
Equivalent to 39 /8s, 51 /16s and 171 /24s
Percentage of available RIPE address space announced: 95.6
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, 196608-202239
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: 56199
Total LACNIC prefixes after maximum aggregation: 10100
LACNIC Deaggregation factor: 5.56
Prefixes being announced from the LACNIC address blocks: 62541
Unique aggregates announced from the LACNIC address blocks: 28766
LACNIC Region origin ASes present in the Internet Routing Table: 2093
LACNIC Prefixes per ASN: 29.88
LACNIC Region origin ASes announcing only one prefix: 550
LACNIC Region transit ASes present in the Internet Routing Table: 433
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 34
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1128
Number of LACNIC addresses announced to Internet: 158578048
Equivalent to 9 /8s, 115 /16s and 181 /24s
Percentage of available LACNIC address space announced: 94.5
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: 11816
Total AfriNIC prefixes after maximum aggregation: 2657
AfriNIC Deaggregation factor: 4.45
Prefixes being announced from the AfriNIC address blocks: 12497
Unique aggregates announced from the AfriNIC address blocks: 4294
AfriNIC Region origin ASes present in the Internet Routing Table: 718
AfriNIC Prefixes per ASN: 17.41
AfriNIC Region origin ASes announcing only one prefix: 206
AfriNIC Region transit ASes present in the Internet Routing Table: 148
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26
Number of AfriNIC addresses announced to Internet: 54011392
Equivalent to 3 /8s, 56 /16s and 38 /24s
Percentage of available AfriNIC address space announced: 53.7
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 2947 11591 922 Korea Telecom
17974 2798 903 78 PT Telekomunikasi Indonesia
7545 2219 320 117 TPG Telecom Limited
4755 1851 396 198 TATA Communications formerly
9829 1622 1288 35 National Internet Backbone
9583 1327 103 546 Sify Limited
9498 1256 314 84 BHARTI Airtel Ltd.
7552 1219 1082 13 Viettel Corporation
4808 1210 2151 355 CNCGROUP IP network China169
24560 1126 385 175 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
22773 3084 2937 134 Cox Communications Inc.
6389 2977 3688 53 BellSouth.net Inc.
1785 2197 699 133 PaeTec Communications, Inc.
18566 2047 379 178 MegaPath Corporation
20115 1706 1690 566 Charter Communications
4323 1629 1073 407 tw telecom holdings, inc.
701 1481 11158 750 MCI Communications Services,
30036 1403 304 541 Mediacom Communications Corp
6983 1327 800 307 ITC^Deltacom
22561 1302 402 232 CenturyTel Internet Holdings,
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
34984 1709 264 271 TELLCOM ILETISIM HIZMETLERI A
8402 1568 544 16 OJSC "Vimpelcom"
20940 1301 497 978 Akamai International B.V.
13188 1049 100 28 TOV "Bank-Inform"
31148 1018 45 19 Freenet Ltd.
8551 922 370 40 Bezeq International-Ltd
6849 826 359 29 JSC "Ukrtelecom"
6830 766 2333 426 Liberty Global Operations B.V
12479 720 797 56 France Telecom Espana SA
9198 574 344 25 JSC Kazakhtelecom
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 3725 1954 113 NET Serviços de Comunicação S
10620 2840 459 207 Telmex Colombia S.A.
18881 1965 972 21 Global Village Telecom
7303 1753 1174 228 Telecom Argentina S.A.
8151 1401 2930 406 Uninet S.A. de C.V.
6503 1111 434 60 Axtel, S.A.B. de C.V.
7738 914 1754 40 Telemar Norte Leste S.A.
27947 873 114 50 Telconet S.A
11830 844 364 15 Instituto Costarricense de El
26615 843 2325 35 Tim Celular 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
36998 1114 240 6 Sudanese Mobile Telephone (ZA
24863 947 280 26 Link Egypt (Link.NET)
6713 614 722 28 Office National des Postes et
8452 563 956 9 TE-AS
24835 304 144 9 Vodafone Data
36992 273 783 24 ETISALAT MISR
3741 248 921 209 Internet Solutions
29571 227 22 23 Cote d'Ivoire Telecom
37054 217 19 6 Data Telecom Service
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 3725 1954 113 NET Serviços de Comunicação S
22773 3084 2937 134 Cox Communications Inc.
6389 2977 3688 53 BellSouth.net Inc.
4766 2947 11591 922 Korea Telecom
10620 2840 459 207 Telmex Colombia S.A.
17974 2798 903 78 PT Telekomunikasi Indonesia
7545 2219 320 117 TPG Telecom Limited
1785 2197 699 133 PaeTec Communications, Inc.
18566 2047 379 178 MegaPath Corporation
18881 1965 972 21 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
22773 3084 2950 Cox Communications Inc.
6389 2977 2924 BellSouth.net Inc.
17974 2798 2720 PT Telekomunikasi Indonesia
10620 2840 2633 Telmex Colombia S.A.
7545 2219 2102 TPG Telecom Limited
1785 2197 2064 PaeTec Communications, Inc.
4766 2947 2025 Korea Telecom
18881 1965 1944 Global Village Telecom
18566 2047 1869 MegaPath Corporation
4755 1851 1653 TATA Communications formerly
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65456 PRIVATE 5.109.32.0/19 23456 32bit Transition AS
65456 PRIVATE 5.109.96.0/19 23456 32bit Transition AS
30662 UNALLOCATED 8.2.129.0/24 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
22511 UNALLOCATED 8.28.225.0/24 2828 XO Communications
22511 UNALLOCATED 8.36.68.0/24 2828 XO Communications
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.100.7.0/24 56096 >>UNKNOWN<<
41.73.1.0/24 37004 >>UNKNOWN<<
41.73.2.0/24 37004 >>UNKNOWN<<
41.73.10.0/24 37004 >>UNKNOWN<<
41.73.11.0/24 37004 >>UNKNOWN<<
41.73.12.0/24 37004 >>UNKNOWN<<
41.73.13.0/24 37004 >>UNKNOWN<<
41.73.14.0/24 37004 >>UNKNOWN<<
41.73.15.0/24 37004 >>UNKNOWN<<
41.73.16.0/24 37004 >>UNKNOWN<<
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 /9:12 /10:31 /11:90 /12:257
/13:481 /14:963 /15:1691 /16:12961 /17:6812 /18:11611
/19:24284 /20:34117 /21:36779 /22:53330 /23:46219 /24:261628
/25:792 /26:936 /27:401 /28:13 /29:20 /30:7
/31:1 /32:39
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2324 3084 Cox Communications Inc.
18566 2002 2047 MegaPath Corporation
6389 1694 2977 BellSouth.net Inc.
8402 1243 1568 OJSC "Vimpelcom"
30036 1240 1403 Mediacom Communications Corp
11492 1193 1236 CABLE ONE, INC.
1785 1163 2197 PaeTec Communications, Inc.
36998 1080 1114 Sudanese Mobile Telephone (ZA
6983 1043 1327 ITC^Deltacom
34984 1038 1709 TELLCOM ILETISIM HIZMETLERI A
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1025 2:682 3:3 4:15 5:983 6:19
8:735 12:1847 13:4 14:989 15:13 16:2
17:31 18:21 20:36 23:848 24:1735 25:1
27:1751 31:1477 32:40 33:2 34:5 36:135
37:1880 38:954 39:6 40:196 41:3186 42:247
44:10 46:2165 47:18 49:697 50:915 52:12
54:47 55:7 57:28 58:1217 59:604 60:403
61:1547 62:1233 63:1977 64:4384 65:2277 66:4156
67:2049 68:1037 69:3300 70:872 71:445 72:2017
74:2653 75:311 76:418 77:1511 78:942 79:707
80:1295 81:1164 82:740 83:756 84:718 85:1259
86:467 87:1172 88:481 89:1801 90:140 91:5696
92:694 93:1715 94:2042 95:1470 96:543 97:349
98:1081 99:48 100:54 101:793 103:4745 105:534
106:172 107:575 108:578 109:2090 110:983 111:1293
112:644 113:847 114:898 115:1117 116:1058 117:932
118:1383 119:1344 120:374 121:806 122:1966 123:1290
124:1416 125:1401 128:654 129:313 130:346 131:660
132:397 133:162 134:334 135:74 136:255 137:323
138:352 139:170 140:213 141:369 142:579 143:435
144:503 145:103 146:600 147:456 148:924 149:348
150:168 151:634 152:422 153:218 154:274 155:481
156:336 157:337 158:245 159:898 160:338 161:534
162:1360 163:216 164:688 165:614 166:278 167:610
168:1030 169:124 170:1389 171:191 172:22 173:1641
174:703 175:606 176:1446 177:2841 178:1962 179:602
180:1724 181:1135 182:1550 183:511 184:713 185:1567
186:2737 187:1525 188:1924 189:1466 190:7523 191:224
192:7240 193:5500 194:4038 195:3485 196:1397 197:628
198:5026 199:5590 200:6242 201:2649 202:8989 203:8877
204:4629 205:2714 206:2946 207:2951 208:3990 209:3722
210:3104 211:1679 212:2194 213:2068 214:913 215:86
216:5456 217:1686 218:575 219:320 220:1279 221:595
222:354 223:578
End of report