[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Aug 12 18:01:40 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 13 Aug, 2016
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 605983
Prefixes after maximum aggregation (per Origin AS): 219519
Deaggregation factor: 2.76
Unique aggregates announced (without unneeded subnets): 296865
Total ASes present in the Internet Routing Table: 54571
Prefixes per ASN: 11.10
Origin-only ASes present in the Internet Routing Table: 36463
Origin ASes announcing only one prefix: 15482
Transit ASes present in the Internet Routing Table: 6484
Transit-only ASes present in the Internet Routing Table: 174
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: 65
Unregistered ASNs in the Routing Table: 16
Number of 32-bit ASNs allocated by the RIRs: 15008
Number of 32-bit ASNs visible in the Routing Table: 11624
Prefixes from 32-bit ASNs in the Routing Table: 46222
Number of bogon 32-bit ASNs visible in the Routing Table: 27
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 366
Number of addresses announced to Internet: 2823070052
Equivalent to 168 /8s, 68 /16s and 161 /24s
Percentage of available address space announced: 76.3
Percentage of allocated address space announced: 76.3
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: 197230
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 155411
Total APNIC prefixes after maximum aggregation: 42917
APNIC Deaggregation factor: 3.62
Prefixes being announced from the APNIC address blocks: 168363
Unique aggregates announced from the APNIC address blocks: 68727
APNIC Region origin ASes present in the Internet Routing Table: 5192
APNIC Prefixes per ASN: 32.43
APNIC Region origin ASes announcing only one prefix: 1174
APNIC Region transit ASes present in the Internet Routing Table: 929
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 54
Number of APNIC region 32-bit ASNs visible in the Routing Table: 2288
Number of APNIC addresses announced to Internet: 759458116
Equivalent to 45 /8s, 68 /16s and 105 /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: 182946
Total ARIN prefixes after maximum aggregation: 89491
ARIN Deaggregation factor: 2.04
Prefixes being announced from the ARIN address blocks: 188570
Unique aggregates announced from the ARIN address blocks: 88668
ARIN Region origin ASes present in the Internet Routing Table: 16255
ARIN Prefixes per ASN: 11.60
ARIN Region origin ASes announcing only one prefix: 5747
ARIN Region transit ASes present in the Internet Routing Table: 1702
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: 1388
Number of ARIN addresses announced to Internet: 1105635168
Equivalent to 65 /8s, 230 /16s and 167 /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: 145178
Total RIPE prefixes after maximum aggregation: 71583
RIPE Deaggregation factor: 2.03
Prefixes being announced from the RIPE address blocks: 155202
Unique aggregates announced from the RIPE address blocks: 96113
RIPE Region origin ASes present in the Internet Routing Table: 18111
RIPE Prefixes per ASN: 8.57
RIPE Region origin ASes announcing only one prefix: 7832
RIPE Region transit ASes present in the Internet Routing Table: 3026
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: 4998
Number of RIPE addresses announced to Internet: 706273664
Equivalent to 42 /8s, 24 /16s and 225 /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: 61758
Total LACNIC prefixes after maximum aggregation: 12273
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 77094
Unique aggregates announced from the LACNIC address blocks: 36939
LACNIC Region origin ASes present in the Internet Routing Table: 2470
LACNIC Prefixes per ASN: 31.21
LACNIC Region origin ASes announcing only one prefix: 555
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: 2706
Number of LACNIC addresses announced to Internet: 170203968
Equivalent to 10 /8s, 37 /16s and 27 /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: 14402
Total AfriNIC prefixes after maximum aggregation: 3245
AfriNIC Deaggregation factor: 4.44
Prefixes being announced from the AfriNIC address blocks: 16388
Unique aggregates announced from the AfriNIC address blocks: 6087
AfriNIC Region origin ASes present in the Internet Routing Table: 738
AfriNIC Prefixes per ASN: 22.21
AfriNIC Region origin ASes announcing only one prefix: 174
AfriNIC Region transit ASes present in the Internet Routing Table: 177
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: 244
Number of AfriNIC addresses announced to Internet: 81167616
Equivalent to 4 /8s, 214 /16s and 133 /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 5544 4190 74 ERX-CERNET-BKB China Education and Rese
7545 3483 385 256 TPG-INTERNET-AP TPG Telecom Limited, AU
4766 3192 11145 1127 KIXS-AS-KR Korea Telecom, KR
17974 2939 904 78 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9829 2633 1491 518 BSNL-NIB National Internet Backbone, IN
9808 2143 8781 42 CMNET-GD Guangdong Mobile Communication
4755 2056 429 225 TATACOMM-AS TATA Communications formerl
4808 1797 2300 543 CHINA169-BJ China Unicom Beijing Provin
24560 1532 505 217 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
38197 1505 93 289 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 3498 2964 144 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6389 2227 3671 41 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
18566 2195 405 110 MEGAPATH5-US - MegaPath Corporation, US
20115 1937 1965 403 CHARTER-NET-HKY-NC - Charter Communicat
30036 1757 345 267 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
209 1717 5083 658 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
6983 1687 849 228 ITCDELTA - Earthlink, Inc., US
16509 1376 2482 449 AMAZON-02 - Amazon.com, Inc., US
7018 1344 20054 998 ATT-INTERNET4 - AT&T Services, Inc., US
701 1290 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 2740 1052 1947 AKAMAI-ASN1 , US
34984 1976 327 357 TELLCOM-AS , TR
12479 1313 1018 45 UNI2-AS , ES
8551 1213 377 46 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
6849 1148 355 21 UKRTELNET , UA
13188 1095 98 63 BANKINFORM-AS , UA
8402 1010 544 15 CORBINA-AS Russia, RU
9198 971 352 25 KAZTELECOM-AS , KZ
6830 884 2752 463 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 3460 540 170 Telmex Colombia S.A., CO
8151 2265 3361 544 Uninet S.A. de C.V., MX
7303 1531 949 243 Telecom Argentina S.A., AR
6503 1415 437 54 Axtel, S.A.B. de C.V., MX
11830 1342 368 64 Instituto Costarricense de Electricidad
6147 1093 377 27 Telefonica del Peru S.A.A., PE
3816 1003 480 178 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
7738 994 1882 40 Telemar Norte Leste S.A., BR
11172 906 125 76 Alestra, S. de R.L. de C.V., MX
28573 895 2179 162 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 656 330 109 MT-MPLS, MA
37611 652 48 2 Afrihost, ZA
36992 539 1357 26 ETISALAT-MISR, EG
8452 513 1472 15 TE-AS TE-AS, EG
37492 392 246 69 ORANGE-TN, TN
24835 346 610 16 RAYA-AS, EG
29571 300 37 12 CITelecom-AS, CI
15399 293 35 6 WANANCHI-KE, KE
2018 265 327 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 5544 4190 74 ERX-CERNET-BKB China Education and Rese
22773 3498 2964 144 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
7545 3483 385 256 TPG-INTERNET-AP TPG Telecom Limited, AU
10620 3460 540 170 Telmex Colombia S.A., CO
39891 3329 169 15 ALJAWWALSTC-AS , SA
4766 3192 11145 1127 KIXS-AS-KR Korea Telecom, KR
17974 2939 904 78 TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940 2740 1052 1947 AKAMAI-ASN1 , US
9829 2633 1491 518 BSNL-NIB National Internet Backbone, IN
8151 2265 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 3498 3354 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
39891 3329 3314 ALJAWWALSTC-AS , SA
10620 3460 3290 Telmex Colombia S.A., CO
7545 3483 3227 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 2633 2115 BSNL-NIB National Internet Backbone, IN
9808 2143 2101 CMNET-GD Guangdong Mobile Communication
18566 2195 2085 MEGAPATH5-US - MegaPath Corporation, US
4766 3192 2065 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
/13:518 /14:1051 /15:1771 /16:13146 /17:7828 /18:12740
/19:25283 /20:38406 /21:40068 /22:67238 /23:59029 /24:336803
/25:570 /26:584 /27:382 /28:54 /29:32 /30:14
/31:1 /32:33
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2896 3329 ALJAWWALSTC-AS , SA
22773 2728 3498 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566 2087 2195 MEGAPATH5-US - MegaPath Corporation, US
30036 1570 1757 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
6389 1438 2227 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
10620 1387 3460 Telmex Colombia S.A., CO
6983 1338 1687 ITCDELTA - Earthlink, Inc., US
34984 1259 1976 TELLCOM-AS , TR
11492 1180 1278 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)
----------------------------------------------
1:1616 2:763 4:21 5:2138 6:31 8:987
12:1767 13:43 14:1750 15:45 16:2 17:91
18:123 20:49 22:1 23:1595 24:1799 27:2304
31:1775 32:69 33:3 34:2 35:5 36:323
37:2307 38:1243 39:35 40:94 41:2838 42:449
43:1859 44:43 45:2152 46:2541 47:85 49:1189
50:901 51:12 52:544 54:345 55:7 56:7
57:42 58:1638 59:980 60:364 61:1811 62:1504
63:1925 64:4548 65:2177 66:4259 67:2206 68:1129
69:3261 70:1250 71:485 72:2013 74:2546 75:347
76:393 77:1445 78:1263 79:860 80:1274 81:1398
82:978 83:712 84:849 85:1615 86:486 87:1096
88:543 89:2117 90:213 91:6087 92:979 93:2369
94:2448 95:2496 96:498 97:353 98:949 99:41
100:78 101:1085 103:11912 104:2542 105:124 106:438
107:1329 108:647 109:2252 110:1279 111:1658 112:1041
113:1243 114:1079 115:1667 116:1629 117:1543 118:2018
119:1585 120:926 121:1111 122:2260 123:2005 124:1587
125:1805 128:667 129:425 130:410 131:1353 132:628
133:172 134:471 135:141 136:384 137:394 138:1811
139:421 140:549 141:452 142:660 143:935 144:729
145:164 146:932 147:654 148:1391 149:538 150:645
151:872 152:637 153:300 154:649 155:961 156:519
157:492 158:382 159:1144 160:510 161:731 162:2375
163:559 164:903 165:1073 166:323 167:1166 168:2020
169:664 170:1850 171:254 172:664 173:1661 174:758
175:699 176:1726 177:4079 178:2212 179:1176 180:2146
181:1823 182:2012 183:966 184:821 185:7139 186:3096
187:2129 188:2171 189:1721 190:7733 191:1263 192:9007
193:5733 194:4437 195:3848 196:1725 197:1126 198:5543
199:5741 200:7157 201:3644 202:10133 203:9805 204:4499
205:2712 206:2974 207:3091 208:4053 209:3877 210:3873
211:2047 212:2726 213:2366 214:866 215:69 216:5870
217:1976 218:796 219:609 220:1638 221:868 222:689
223:1257
End of report
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