Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Oct 6 18:02:46 UTC 2017
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, SANOG, PacNOG, SAFNOG
MENOG, BJNOG, SDNOG, CMNOG, LACNOG, IRNOG 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 07 Oct, 2017
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 666275
Prefixes after maximum aggregation (per Origin AS): 258788
Deaggregation factor: 2.57
Unique aggregates announced (without unneeded subnets): 320459
Total ASes present in the Internet Routing Table: 58610
Prefixes per ASN: 11.37
Origin-only ASes present in the Internet Routing Table: 50634
Origin ASes announcing only one prefix: 22344
Transit ASes present in the Internet Routing Table: 7976
Transit-only ASes present in the Internet Routing Table: 232
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 32
Max AS path prepend of ASN ( 29046) 25
Prefixes from unregistered ASNs in the Routing Table: 90
Number of instances of unregistered ASNs: 90
Number of 32-bit ASNs allocated by the RIRs: 20182
Number of 32-bit ASNs visible in the Routing Table: 15985
Prefixes from 32-bit ASNs in the Routing Table: 65602
Number of bogon 32-bit ASNs visible in the Routing Table: 20
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 329
Number of addresses announced to Internet: 2855818080
Equivalent to 170 /8s, 56 /16s and 83 /24s
Percentage of available address space announced: 77.1
Percentage of allocated address space announced: 77.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 98.7
Total number of prefixes smaller than registry allocations: 219686
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 184470
Total APNIC prefixes after maximum aggregation: 52431
APNIC Deaggregation factor: 3.52
Prefixes being announced from the APNIC address blocks: 183462
Unique aggregates announced from the APNIC address blocks: 74836
APNIC Region origin ASes present in the Internet Routing Table: 8365
APNIC Prefixes per ASN: 21.93
APNIC Region origin ASes announcing only one prefix: 2315
APNIC Region transit ASes present in the Internet Routing Table: 1201
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 32
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3222
Number of APNIC addresses announced to Internet: 765571296
Equivalent to 45 /8s, 161 /16s and 176 /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: 200599
Total ARIN prefixes after maximum aggregation: 96384
ARIN Deaggregation factor: 2.08
Prefixes being announced from the ARIN address blocks: 202201
Unique aggregates announced from the ARIN address blocks: 94047
ARIN Region origin ASes present in the Internet Routing Table: 17999
ARIN Prefixes per ASN: 11.23
ARIN Region origin ASes announcing only one prefix: 6666
ARIN Region transit ASes present in the Internet Routing Table: 1769
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: 2215
Number of ARIN addresses announced to Internet: 1110698016
Equivalent to 66 /8s, 51 /16s and 232 /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: 177740
Total RIPE prefixes after maximum aggregation: 87039
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 173740
Unique aggregates announced from the RIPE address blocks: 104942
RIPE Region origin ASes present in the Internet Routing Table: 24456
RIPE Prefixes per ASN: 7.10
RIPE Region origin ASes announcing only one prefix: 11213
RIPE Region transit ASes present in the Internet Routing Table: 3491
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 6233
Number of RIPE addresses announced to Internet: 713210496
Equivalent to 42 /8s, 130 /16s and 186 /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: 85864
Total LACNIC prefixes after maximum aggregation: 18976
LACNIC Deaggregation factor: 4.52
Prefixes being announced from the LACNIC address blocks: 87097
Unique aggregates announced from the LACNIC address blocks: 39215
LACNIC Region origin ASes present in the Internet Routing Table: 6448
LACNIC Prefixes per ASN: 13.51
LACNIC Region origin ASes announcing only one prefix: 1805
LACNIC Region transit ASes present in the Internet Routing Table: 1194
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 31
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3967
Number of LACNIC addresses announced to Internet: 172591840
Equivalent to 10 /8s, 73 /16s and 138 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-268700 + 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: 17510
Total AfriNIC prefixes after maximum aggregation: 3884
AfriNIC Deaggregation factor: 4.51
Prefixes being announced from the AfriNIC address blocks: 19446
Unique aggregates announced from the AfriNIC address blocks: 7160
AfriNIC Region origin ASes present in the Internet Routing Table: 1077
AfriNIC Prefixes per ASN: 18.06
AfriNIC Region origin ASes announcing only one prefix: 344
AfriNIC Region transit ASes present in the Internet Routing Table: 213
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 348
Number of AfriNIC addresses announced to Internet: 93300992
Equivalent to 5 /8s, 143 /16s and 169 /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 5270 4192 76 ERX-CERNET-BKB China Education and Rese
7545 3991 407 407 TPG-INTERNET-AP TPG Telecom Limited, AU
17974 2863 900 77 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4766 2789 11126 751 KIXS-AS-KR Korea Telecom, KR
9829 2755 1499 540 BSNL-NIB National Internet Backbone, IN
9808 2368 8699 32 CMNET-GD Guangdong Mobile Communication
45899 2264 1465 142 VNPT-AS-VN VNPT Corp, VN
9394 2174 4931 27 CTTNET China TieTong Telecommunications
4755 2106 423 222 TATACOMM-AS TATA Communications formerl
7552 1796 1139 90 VIETEL-AS-AP Viettel Corporation, VN
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
6327 3414 1341 88 SHAW - Shaw Communications Inc., CA
22773 3300 2952 157 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566 2208 405 107 MEGAPATH5-US - MegaPath Corporation, US
6389 2045 3671 39 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
20115 2043 2264 431 CHARTER-NET-HKY-NC - Charter Communicat
209 1937 5067 653 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
16509 1848 4013 547 AMAZON-02 - Amazon.com, Inc., US
30036 1825 329 335 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
701 1679 10589 626 UUNET - MCI Communications Services, In
11492 1628 241 558 CABLEONE - CABLE ONE, INC., US
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 3387 186 23 ALJAWWALSTC-AS, SA
20940 2855 875 2056 AKAMAI-ASN1, US
8551 2441 377 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
34984 2056 330 423 TELLCOM-AS, TR
12389 1823 1659 689 ROSTELECOM-AS, RU
9121 1779 1691 17 TTNET, TR
12479 1742 1063 72 UNI2-AS, ES
13188 1604 100 52 TRIOLAN, UA
6849 1225 355 21 UKRTELNET, UA
8402 1199 544 14 CORBINA-AS OJSC "Vimpelcom", RU
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 3570 541 253 Telmex Colombia S.A., CO
8151 3230 3471 584 Uninet S.A. de C.V., MX
11830 2076 370 65 Instituto Costarricense de Electricidad
6503 1552 437 53 Axtel, S.A.B. de C.V., MX
7303 1548 1015 242 Telecom Argentina S.A., AR
6147 1278 377 27 Telefonica del Peru S.A.A., PE
3816 1032 509 103 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
28573 992 2301 182 CLARO S.A., BR
11172 914 126 86 Alestra, S. de R.L. de C.V., MX
18881 901 1056 24 TELEFÔNICA BRASIL 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 1215 398 48 LINKdotNET-AS, EG
37611 770 91 8 Afrihost, ZA
36903 706 355 138 MT-MPLS, MA
36992 666 1383 31 ETISALAT-MISR, EG
24835 515 850 15 RAYA-AS, EG
8452 423 1730 18 TE-AS TE-AS, EG
29571 421 36 10 CITelecom-AS, CI
37492 416 354 77 ORANGE-, TN
15399 356 35 7 WANANCHI-, KE
2018 297 327 73 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 5270 4192 76 ERX-CERNET-BKB China Education and Rese
7545 3991 407 407 TPG-INTERNET-AP TPG Telecom Limited, AU
10620 3570 541 253 Telmex Colombia S.A., CO
6327 3414 1341 88 SHAW - Shaw Communications Inc., CA
39891 3387 186 23 ALJAWWALSTC-AS, SA
22773 3300 2952 157 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
8151 3230 3471 584 Uninet S.A. de C.V., MX
17974 2863 900 77 TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940 2855 875 2056 AKAMAI-ASN1, US
4766 2789 11126 751 KIXS-AS-KR Korea Telecom, KR
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7545 3991 3584 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3387 3364 ALJAWWALSTC-AS, SA
6327 3414 3326 SHAW - Shaw Communications Inc., CA
10620 3570 3317 Telmex Colombia S.A., CO
22773 3300 3143 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
17974 2863 2786 TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
8151 3230 2646 Uninet S.A. de C.V., MX
8551 2441 2400 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
9808 2368 2336 CMNET-GD Guangdong Mobile Communication Co.Ltd.
9829 2755 2215 BSNL-NIB National Internet Backbone, IN
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65602 UNALLOCATED 8.225.192.0/24 30372 SUNESYS2 - Sunesys, LLC, US
65456 PRIVATE 31.171.126.0/23 199311 AZRT-LX Local Internet Exchang
64525 PRIVATE 45.119.143.0/24 133275 GIGANTIC-AS Gigantic Infotel P
64525 PRIVATE 45.125.62.0/24 133275 GIGANTIC-AS Gigantic Infotel P
65530 PRIVATE 45.249.40.0/24 133720 SOFTCALLCOC-AS SOFT CALL CUST-
65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom
65534 PRIVATE 58.68.109.0/24 10201 DWL-AS-IN Dishnet Wireless Lim
64513 PRIVATE 62.150.101.0/24 9155 QNET Kuwait, KW
290012147 UNALLOCATED 63.65.43.0/24 7046 RFC2270-UUNET-CUSTOMER - MCI C
65538 DOCUMENT 64.27.253.0/24 1273 CW Vodafone Group PLC, GB
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.192.48.0/24 134833 LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.49.0/24 134833 LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.50.0/24 134833 LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.51.0/24 134833 LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
27.100.7.0/24 56096 UNKNOWN
41.78.180.0/23 37265 -Reserved AS-, ZZ
43.228.144.0/22 9829 BSNL-NIB National Internet Backbone, IN
43.251.20.0/22 9381 WTT-AS-AP WTT HK Limited, HK
43.251.84.0/22 133676 PNPL-AS Precious netcom pvt ltd, IN
43.251.84.0/23 133676 PNPL-AS Precious netcom pvt ltd, IN
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 /8:15 /9:13 /10:36 /11:106 /12:284
/13:554 /14:1054 /15:1870 /16:13422 /17:7775 /18:13699
/19:25384 /20:39377 /21:42849 /22:80328 /23:65493 /24:371552
/25:854 /26:627 /27:653 /28:37 /29:39 /30:219
/31:2 /32:33
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3210 3414 SHAW - Shaw Communications Inc., CA
39891 2946 3387 ALJAWWALSTC-AS, SA
22773 2523 3300 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2094 2208 MEGAPATH5-US - MegaPath Corporation, US
8551 1906 2441 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 1601 1825 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1529 3570 Telmex Colombia S.A., CO
11830 1468 2076 Instituto Costarricense de Electricidad y Telec
11492 1447 1628 CABLEONE - CABLE ONE, INC., US
34984 1363 2056 TELLCOM-AS, TR
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1564 2:841 4:18 5:2496 6:39 7:1
8:1074 12:1850 13:159 14:1710 15:28 16:3
17:174 18:76 20:60 23:2478 24:1633 25:2
27:2417 29:1 31:1943 32:89 35:21 36:421
37:2296 38:1390 39:73 40:98 41:3052 42:496
43:1963 44:84 45:3079 46:2824 47:170 49:1262
50:1006 51:19 52:860 54:353 55:1 56:4
57:43 58:1586 59:991 60:354 61:2020 62:1712
63:1900 64:4603 65:2213 66:4450 67:2292 68:1190
69:3172 70:1162 71:614 72:2144 74:2636 75:401
76:413 77:1539 78:1551 79:1889 80:1418 81:1401
82:1026 83:741 84:952 85:1896 86:464 87:1217
88:821 89:2231 90:171 91:6218 92:1025 93:2347
94:2396 95:2642 96:632 97:352 98:959 99:93
100:153 101:1464 102:1 103:15963 104:3044 105:210
106:559 107:1768 108:829 109:2911 110:1471 111:1750
112:1275 113:1268 114:1075 115:1585 116:1700 117:1792
118:2146 119:1642 120:910 121:1072 122:2437 123:1864
124:1503 125:1804 128:911 129:674 130:444 131:1499
132:612 133:193 134:802 135:226 136:334 137:494
138:1978 139:524 140:378 141:672 142:741 143:912
144:787 145:185 146:1113 147:682 148:1496 149:594
150:703 151:1002 152:719 153:300 154:920 155:767
156:687 157:733 158:596 159:1561 160:776 161:753
162:2507 163:511 164:990 165:1437 166:383 167:1299
168:3036 169:811 170:3578 171:382 172:994 173:2019
174:799 175:784 176:1857 177:3895 178:2490 179:1138
180:2210 181:2092 182:2455 183:827 184:901 185:10890
186:3322 187:2254 188:2584 189:1838 190:8403 191:1370
192:9673 193:5809 194:4714 195:3952 196:2169 197:1305
198:5529 199:5871 200:7527 201:4403 202:10378 203:9984
204:4546 205:2859 206:3005 207:3166 208:3954 209:4045
210:3937 211:2080 212:2884 213:2604 214:849 215:66
216:5894 217:2102 218:973 219:590 220:1671 221:940
222:757 223:1291
End of report
More information about the NANOG
mailing list