[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Aug 19 18:01:43 UTC 2016
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG,
SAFNOG, SdNOG, BJNOG, CaribNOG and the RIPE Routing WG.
Daily listings are sent to bgp-stats at lists.apnic.net
For historical data, please see http://thyme.rand.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.
Routing Table Report 04:00 +10GMT Sat 20 Aug, 2016
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 606224
Prefixes after maximum aggregation (per Origin AS): 219465
Deaggregation factor: 2.76
Unique aggregates announced (without unneeded subnets): 296500
Total ASes present in the Internet Routing Table: 54628
Prefixes per ASN: 11.10
Origin-only ASes present in the Internet Routing Table: 36451
Origin ASes announcing only one prefix: 15461
Transit ASes present in the Internet Routing Table: 6482
Transit-only ASes present in the Internet Routing Table: 173
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 54
Max AS path prepend of ASN ( 55644) 51
Prefixes from unregistered ASNs in the Routing Table: 61
Unregistered ASNs in the Routing Table: 16
Number of 32-bit ASNs allocated by the RIRs: 15101
Number of 32-bit ASNs visible in the Routing Table: 11695
Prefixes from 32-bit ASNs in the Routing Table: 46366
Number of bogon 32-bit ASNs visible in the Routing Table: 33
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 340
Number of addresses announced to Internet: 2821914468
Equivalent to 168 /8s, 50 /16s and 255 /24s
Percentage of available address space announced: 76.2
Percentage of allocated address space announced: 76.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 98.2
Total number of prefixes smaller than registry allocations: 197037
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 155735
Total APNIC prefixes after maximum aggregation: 42924
APNIC Deaggregation factor: 3.63
Prefixes being announced from the APNIC address blocks: 168786
Unique aggregates announced from the APNIC address blocks: 68899
APNIC Region origin ASes present in the Internet Routing Table: 5189
APNIC Prefixes per ASN: 32.53
APNIC Region origin ASes announcing only one prefix: 1171
APNIC Region transit ASes present in the Internet Routing Table: 928
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 54
Number of APNIC region 32-bit ASNs visible in the Routing Table: 2311
Number of APNIC addresses announced to Internet: 759335748
Equivalent to 45 /8s, 66 /16s and 139 /24s
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-64098, 64297-64395, 131072-137529
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: 182874
Total ARIN prefixes after maximum aggregation: 89341
ARIN Deaggregation factor: 2.05
Prefixes being announced from the ARIN address blocks: 188542
Unique aggregates announced from the ARIN address blocks: 88104
ARIN Region origin ASes present in the Internet Routing Table: 16238
ARIN Prefixes per ASN: 11.61
ARIN Region origin ASes announcing only one prefix: 5734
ARIN Region transit ASes present in the Internet Routing Table: 1712
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 1402
Number of ARIN addresses announced to Internet: 1105120096
Equivalent to 65 /8s, 222 /16s and 203 /24s
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, 64198-64296, 393216-397212
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: 145131
Total RIPE prefixes after maximum aggregation: 71614
RIPE Deaggregation factor: 2.03
Prefixes being announced from the RIPE address blocks: 155153
Unique aggregates announced from the RIPE address blocks: 96085
RIPE Region origin ASes present in the Internet Routing Table: 18113
RIPE Prefixes per ASN: 8.57
RIPE Region origin ASes announcing only one prefix: 7827
RIPE Region transit ASes present in the Internet Routing Table: 3018
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 5008
Number of RIPE addresses announced to Internet: 706190208
Equivalent to 42 /8s, 23 /16s and 155 /24s
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, 64396-64495
196608-207259
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: 61593
Total LACNIC prefixes after maximum aggregation: 12302
LACNIC Deaggregation factor: 5.01
Prefixes being announced from the LACNIC address blocks: 76960
Unique aggregates announced from the LACNIC address blocks: 36993
LACNIC Region origin ASes present in the Internet Routing Table: 2476
LACNIC Prefixes per ASN: 31.08
LACNIC Region origin ASes announcing only one prefix: 556
LACNIC Region transit ASes present in the Internet Routing Table: 581
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2729
Number of LACNIC addresses announced to Internet: 169885504
Equivalent to 10 /8s, 32 /16s and 63 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-265628 + 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: 14463
Total AfriNIC prefixes after maximum aggregation: 3274
AfriNIC Deaggregation factor: 4.42
Prefixes being announced from the AfriNIC address blocks: 16443
Unique aggregates announced from the AfriNIC address blocks: 6106
AfriNIC Region origin ASes present in the Internet Routing Table: 737
AfriNIC Prefixes per ASN: 22.31
AfriNIC Region origin ASes announcing only one prefix: 173
AfriNIC Region transit ASes present in the Internet Routing Table: 179
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 245
Number of AfriNIC addresses announced to Internet: 81057280
Equivalent to 4 /8s, 212 /16s and 214 /24s
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
4538 5551 4190 74 ERX-CERNET-BKB China Education and Rese
7545 3496 385 256 TPG-INTERNET-AP TPG Telecom Limited, AU
4766 3200 11145 1130 KIXS-AS-KR Korea Telecom, KR
17974 2939 904 78 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9829 2659 1494 526 BSNL-NIB National Internet Backbone, IN
9808 2144 8781 42 CMNET-GD Guangdong Mobile Communication
4755 2056 429 227 TATACOMM-AS TATA Communications formerl
4808 1759 2293 533 CHINA169-BJ China Unicom Beijing Provin
24560 1531 505 217 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
38197 1514 94 286 SUNHK-DATA-AS-AP Sun Network (Hong Kong
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 3494 2964 144 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6389 2227 3671 41 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
18566 2194 405 110 MEGAPATH5-US - MegaPath Corporation, US
20115 1936 1965 402 CHARTER-NET-HKY-NC - Charter Communicat
30036 1745 341 281 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
209 1714 5082 655 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
6983 1688 849 228 ITCDELTA - Earthlink, Inc., US
16509 1382 2530 447 AMAZON-02 - Amazon.com, Inc., US
7018 1343 20058 997 ATT-INTERNET4 - AT&T Services, Inc., US
701 1289 10719 696 UUNET - MCI Communications Services, In
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
39891 3329 169 15 ALJAWWALSTC-AS , SA
20940 2763 1063 1967 AKAMAI-ASN1 , US
34984 1983 327 357 TELLCOM-AS , TR
12479 1315 1018 46 UNI2-AS , ES
8551 1213 377 46 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
6849 1148 355 21 UKRTELNET , UA
13188 1097 98 64 BANKINFORM-AS , UA
8402 1002 544 15 CORBINA-AS Russia, RU
9198 928 352 25 KAZTELECOM-AS , KZ
6830 886 2752 465 LGI-UPC formerly known as UPC Broadband
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 3477 541 154 Telmex Colombia S.A., CO
8151 2266 3361 544 Uninet S.A. de C.V., MX
7303 1539 949 243 Telecom Argentina S.A., AR
6503 1415 437 55 Axtel, S.A.B. de C.V., MX
11830 1344 368 65 Instituto Costarricense de Electricidad
6147 1076 377 27 Telefonica del Peru S.A.A., PE
7738 994 1882 40 Telemar Norte Leste S.A., BR
3816 956 459 212 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 907 125 76 Alestra, S. de R.L. de C.V., MX
28573 896 2180 158 CLARO S.A., BR
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
24863 1184 402 48 LINKdotNET-AS, EG
36903 651 327 118 MT-MPLS, MA
37611 649 48 2 Afrihost, ZA
36992 539 1357 26 ETISALAT-MISR, EG
8452 524 1472 15 TE-AS TE-AS, EG
37492 380 246 69 ORANGE-TN, TN
24835 348 610 16 RAYA-AS, EG
29571 301 37 12 CITelecom-AS, CI
15399 293 35 6 WANANCHI-KE, KE
2018 264 327 74 TENET-1, ZA
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
4538 5551 4190 74 ERX-CERNET-BKB China Education and Rese
7545 3496 385 256 TPG-INTERNET-AP TPG Telecom Limited, AU
22773 3494 2964 144 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3477 541 154 Telmex Colombia S.A., CO
39891 3329 169 15 ALJAWWALSTC-AS , SA
4766 3200 11145 1130 KIXS-AS-KR Korea Telecom, KR
17974 2939 904 78 TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940 2763 1063 1967 AKAMAI-ASN1 , US
9829 2659 1494 526 BSNL-NIB National Internet Backbone, IN
8151 2266 3361 544 Uninet S.A. de C.V., MX
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 3494 3350 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3477 3323 Telmex Colombia S.A., CO
39891 3329 3314 ALJAWWALSTC-AS , SA
7545 3496 3240 TPG-INTERNET-AP TPG Telecom Limited, AU
17974 2939 2861 TELKOMNET-AS2-AP PT Telekomunikasi Indo
6389 2227 2186 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
9829 2659 2133 BSNL-NIB National Internet Backbone, IN
9808 2144 2102 CMNET-GD Guangdong Mobile Communication
18566 2194 2084 MEGAPATH5-US - MegaPath Corporation, US
4766 3200 2070 KIXS-AS-KR Korea Telecom, KR
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65001 PRIVATE 5.143.176.0/20 15468 KLGELECS-AS 38, Teatralnaya st
65001 PRIVATE 31.172.192.0/20 15468 KLGELECS-AS 38, Teatralnaya st
65001 PRIVATE 31.172.192.0/21 15468 KLGELECS-AS 38, Teatralnaya st
65001 PRIVATE 31.172.200.0/21 15468 KLGELECS-AS 38, Teatralnaya st
65001 PRIVATE 31.172.208.0/21 15468 KLGELECS-AS 38, Teatralnaya st
65001 PRIVATE 31.172.216.0/21 15468 KLGELECS-AS 38, Teatralnaya st
65000 PRIVATE 31.219.177.0/25 8966 ETISALAT-AS P.O. Box 1150, Dub
65000 PRIVATE 31.219.177.128/25 8966 ETISALAT-AS P.O. Box 1150, Dub
65412 PRIVATE 41.89.7.0/24 36866 JTL, KE
65512 PRIVATE 45.252.244.0/24 45899 VNPT-AS-VN VNPT Corp, VN
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.249.144.0/20 40430 COLO4JAX-AS - colo4jax, LLC, US
27.100.7.0/24 56096 UNKNOWN
41.73.1.0/24 37004 -Reserved AS-, ZZ
41.73.2.0/24 37004 -Reserved AS-, ZZ
41.73.3.0/24 37004 -Reserved AS-, ZZ
41.73.4.0/24 37004 -Reserved AS-, ZZ
41.73.5.0/24 37004 -Reserved AS-, ZZ
41.73.6.0/24 37004 -Reserved AS-, ZZ
41.73.7.0/24 37004 -Reserved AS-, ZZ
41.73.8.0/24 37004 -Reserved AS-, ZZ
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 /10:36 /11:101 /12:266
/13:516 /14:1049 /15:1769 /16:13136 /17:7794 /18:12731
/19:25299 /20:38387 /21:40059 /22:67338 /23:59077 /24:336969
/25:567 /26:581 /27:386 /28:53 /29:32 /30:14
/31:1 /32:34
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2896 3329 ALJAWWALSTC-AS , SA
22773 2723 3494 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566 2086 2194 MEGAPATH5-US - MegaPath Corporation, US
30036 1560 1745 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
6389 1438 2227 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
10620 1389 3477 Telmex Colombia S.A., CO
6983 1339 1688 ITCDELTA - Earthlink, Inc., US
34984 1266 1983 TELLCOM-AS , TR
11492 1166 1263 CABLEONE - CABLE ONE, INC., US
6849 968 1148 UKRTELNET , UA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1645 2:764 4:20 5:2146 6:31 8:983
12:1769 13:42 14:1755 15:45 16:2 17:92
18:125 20:50 22:1 23:1621 24:1792 27:2293
31:1782 32:69 33:4 35:5 36:325 37:2372
38:1249 39:36 40:94 41:2878 42:446 43:1868
44:44 45:2155 46:2545 47:85 49:1197 50:902
51:12 52:543 54:348 55:6 56:7 57:42
58:1639 59:1001 60:378 61:1812 62:1507 63:1929
64:4549 65:2182 66:4239 67:2205 68:1125 69:3261
70:1255 71:485 72:2006 74:2546 75:348 76:406
77:1426 78:1263 79:854 80:1276 81:1396 82:978
83:714 84:856 85:1593 86:491 87:1089 88:543
89:2060 90:214 91:6091 92:948 93:2326 94:2438
95:2481 96:504 97:353 98:943 99:41 100:78
101:1091 103:12006 104:2517 105:124 106:434 107:1329
108:648 109:2216 110:1283 111:1661 112:1042 113:1244
114:1073 115:1671 116:1639 117:1540 118:2025 119:1574
120:921 121:1115 122:2249 123:2026 124:1583 125:1821
128:631 129:426 130:412 131:1363 132:601 133:176
134:475 135:144 136:384 137:394 138:1820 139:423
140:547 141:456 142:660 143:944 144:733 145:163
146:937 147:655 148:1387 149:539 150:653 151:872
152:638 153:315 154:652 155:956 156:523 157:498
158:382 159:1149 160:511 161:730 162:2387 163:562
164:907 165:1076 166:321 167:1171 168:2051 169:664
170:1854 171:259 172:667 173:1665 174:756 175:694
176:1735 177:4029 178:2207 179:1162 180:2145 181:1824
182:2024 183:974 184:819 185:7204 186:3117 187:2131
188:2173 189:1728 190:7695 191:1270 192:9009 193:5729
194:4444 195:3843 196:1730 197:1130 198:5536 199:5733
200:7124 201:3644 202:10100 203:9840 204:4500 205:2727
206:2971 207:3083 208:4035 209:3868 210:3874 211:2068
212:2723 213:2338 214:852 215:70 216:5847 217:1984
218:798 219:608 220:1639 221:882 222:691 223:1278
End of report
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