[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Aug 10 18:03:12 UTC 2018
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
TZNOG, 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 11 Aug, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 710351
Prefixes after maximum aggregation (per Origin AS): 272851
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 341377
Total ASes present in the Internet Routing Table: 61486
Prefixes per ASN: 11.55
Origin-only ASes present in the Internet Routing Table: 53097
Origin ASes announcing only one prefix: 23134
Transit ASes present in the Internet Routing Table: 8389
Transit-only ASes present in the Internet Routing Table: 266
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 34
Max AS path prepend of ASN ( 30873) 32
Prefixes from unregistered ASNs in the Routing Table: 71
Number of instances of unregistered ASNs: 71
Number of 32-bit ASNs allocated by the RIRs: 23624
Number of 32-bit ASNs visible in the Routing Table: 19037
Prefixes from 32-bit ASNs in the Routing Table: 79679
Number of bogon 32-bit ASNs visible in the Routing Table: 107
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 275
Number of addresses announced to Internet: 2857141828
Equivalent to 170 /8s, 76 /16s and 134 /24s
Percentage of available address space announced: 77.2
Percentage of allocated address space announced: 77.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.0
Total number of prefixes smaller than registry allocations: 237154
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 193620
Total APNIC prefixes after maximum aggregation: 55167
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 191870
Unique aggregates announced from the APNIC address blocks: 79105
APNIC Region origin ASes present in the Internet Routing Table: 8995
APNIC Prefixes per ASN: 21.33
APNIC Region origin ASes announcing only one prefix: 2537
APNIC Region transit ASes present in the Internet Routing Table: 1341
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 29
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3958
Number of APNIC addresses announced to Internet: 767223811
Equivalent to 45 /8s, 186 /16s and 232 /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, 131072-139577
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: 210910
Total ARIN prefixes after maximum aggregation: 100181
ARIN Deaggregation factor: 2.11
Prefixes being announced from the ARIN address blocks: 210886
Unique aggregates announced from the ARIN address blocks: 99818
ARIN Region origin ASes present in the Internet Routing Table: 18212
ARIN Prefixes per ASN: 11.58
ARIN Region origin ASes announcing only one prefix: 6737
ARIN Region transit ASes present in the Internet Routing Table: 1812
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2396
Number of ARIN addresses announced to Internet: 1103025824
Equivalent to 65 /8s, 190 /16s and 214 /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, 393216-399260
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: 194304
Total RIPE prefixes after maximum aggregation: 92790
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 190611
Unique aggregates announced from the RIPE address blocks: 113115
RIPE Region origin ASes present in the Internet Routing Table: 25398
RIPE Prefixes per ASN: 7.50
RIPE Region origin ASes announcing only one prefix: 11460
RIPE Region transit ASes present in the Internet Routing Table: 3514
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 7284
Number of RIPE addresses announced to Internet: 714048896
Equivalent to 42 /8s, 143 /16s and 133 /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: 92228
Total LACNIC prefixes after maximum aggregation: 20546
LACNIC Deaggregation factor: 4.49
Prefixes being announced from the LACNIC address blocks: 93649
Unique aggregates announced from the LACNIC address blocks: 41078
LACNIC Region origin ASes present in the Internet Routing Table: 7399
LACNIC Prefixes per ASN: 12.66
LACNIC Region origin ASes announcing only one prefix: 2008
LACNIC Region transit ASes present in the Internet Routing Table: 1387
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 26
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 4944
Number of LACNIC addresses announced to Internet: 172309792
Equivalent to 10 /8s, 69 /16s and 61 /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: 19217
Total AfriNIC prefixes after maximum aggregation: 4104
AfriNIC Deaggregation factor: 4.68
Prefixes being announced from the AfriNIC address blocks: 23060
Unique aggregates announced from the AfriNIC address blocks: 8018
AfriNIC Region origin ASes present in the Internet Routing Table: 1185
AfriNIC Prefixes per ASN: 19.46
AfriNIC Region origin ASes announcing only one prefix: 392
AfriNIC Region transit ASes present in the Internet Routing Table: 237
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 455
Number of AfriNIC addresses announced to Internet: 100085248
Equivalent to 5 /8s, 247 /16s and 46 /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 4689 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4405 477 468 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 2969 1153 83 VIETEL-AS-AP Viettel Group, VN
4766 2830 11132 759 KIXS-AS-KR Korea Telecom, KR
9829 2816 1497 543 BSNL-NIB National Internet Backbone, IN
45899 2573 1634 157 VNPT-AS-VN VNPT Corp, VN
9394 2543 4907 32 CTTNET China TieTong Telecommunications
17974 2261 962 71 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9808 2249 8699 26 CMNET-GD Guangdong Mobile Communication
4755 2115 417 203 TATACOMM-AS TATA Communications formerl
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 3442 1324 82 SHAW - Shaw Communications Inc., CA
22773 3253 2968 149 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
11492 2842 256 421 CABLEONE - CABLE ONE, INC., US
16509 2259 4791 768 AMAZON-02 - Amazon.com, Inc., US
18566 2166 405 109 MEGAPATH5-US - MegaPath Corporation, US
20115 2124 2641 484 CHARTER-NET-HKY-NC - Charter Communicat
30036 2018 344 142 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
16625 2007 1031 1445 AKAMAI-AS - Akamai Technologies, Inc.,
209 1994 5085 604 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
7018 1764 20206 1281 ATT-INTERNET4 - AT&T Services, 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
12479 4682 1613 128 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 2819 378 44 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2552 624 1891 AKAMAI-ASN1, US
12389 2042 1891 731 ROSTELECOM-AS, RU
34984 2013 335 506 TELLCOM-AS, TR
9121 1837 1692 19 TTNET, TR
13188 1605 100 39 TRIOLAN, UA
6849 1241 355 21 UKRTELNET, UA
8402 1204 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
8151 5191 3349 607 Uninet S.A. de C.V., MX
10620 3483 531 456 Telmex Colombia S.A., CO
11830 2657 369 78 Instituto Costarricense de Electricidad
6503 1666 444 63 Axtel, S.A.B. de C.V., MX
7303 1508 1027 189 Telecom Argentina S.A., AR
28573 1087 2241 189 CLARO S.A., BR
3816 1020 508 128 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 933 377 31 Telefonica del Peru S.A.A., PE
11172 929 126 85 Alestra, S. de R.L. de C.V., MX
18881 913 1078 30 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 1172 396 48 LINKdotNET-AS, EG
37611 890 107 9 Afrihost, ZA
36903 778 391 137 MT-MPLS, MA
36992 744 1411 40 ETISALAT-MISR, EG
24835 635 818 18 RAYA-AS, EG
8452 602 1730 18 TE-AS TE-AS, EG
37492 474 470 57 ORANGE-, TN
29571 459 68 12 ORANGE-COTE-IVOIRE, CI
37342 386 32 1 MOVITEL, MZ
23889 373 231 15 MauritiusTelecom, MU
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
8151 5191 3349 607 Uninet S.A. de C.V., MX
4538 4689 4192 74 ERX-CERNET-BKB China Education and Rese
12479 4682 1613 128 UNI2-AS, ES
7545 4405 477 468 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 203 20 ALJAWWALSTC-AS, SA
10620 3483 531 456 Telmex Colombia S.A., CO
6327 3442 1324 82 SHAW - Shaw Communications Inc., CA
22773 3253 2968 149 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
7552 2969 1153 83 VIETEL-AS-AP Viettel Group, VN
11492 2842 256 421 CABLEONE - CABLE ONE, INC., US
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4538 4689 4615 ERX-CERNET-BKB China Education and Research Net
12479 4682 4554 UNI2-AS, ES
7545 4405 3937 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3442 3360 SHAW - Shaw Communications Inc., CA
22773 3253 3104 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
10620 3483 3027 Telmex Colombia S.A., CO
7552 2969 2886 VIETEL-AS-AP Viettel Group, VN
8551 2819 2775 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11830 2657 2579 Instituto Costarricense de Electricidad y Telec
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64514 PRIVATE 5.42.231.0/24 35753 ITC ITC AS number, SA
230105 UNALLOCATED 38.110.79.0/24 23015 CMC180-TOR-AS - Cambridge Merc
64500 DOCUMENT 45.43.56.0/24 135391 AOFEI-HK AOFEI DATA INTERNATIO
268422 UNALLOCATED 45.160.208.0/24 263321 Ejmnet Tecnologia ltda, BR
266842 UNALLOCATED 45.238.156.0/22 265680 HNTELCO S.A, HN
65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom
64513 PRIVATE 62.150.101.0/24 9155 QNET Kuwait, KW
65537 DOCUMENT 62.162.120.0/24 6821 MT-AS-OWN bul. Orce Nikolov bb
419333 UNALLOCATED 84.17.91.0/24 41933 IPRAGAZ-AS Istanbul/ TURKEY, T
64121 UNALLOCATED 98.159.9.0/24 19555 KMI-NETWORK - Kinder Morgan, I
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
100.66.224.0/19 209 CENTURYLINK-US-LEGACY-QWEST - Qwest Communicati
198.18.1.19/32 7497 CSTNET-AS-AP Computer Network Information Cente
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
41.76.136.0/22 37500 -Reserved AS-, ZZ
41.76.136.0/24 37500 -Reserved AS-, ZZ
41.76.138.0/24 37500 -Reserved AS-, ZZ
41.76.139.0/24 37500 -Reserved AS-, ZZ
41.76.140.0/22 37500 -Reserved AS-, ZZ
41.78.92.0/22 14988 BTC-GATE1, BW
41.78.180.0/23 37265 -Reserved AS-, ZZ
43.251.20.0/22 9381 WTT-AS-AP WTT HK Limited, HK
45.121.32.0/22 134356 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 /8:14 /9:11 /10:36 /11:99 /12:291
/13:570 /14:1096 /15:1896 /16:13372 /17:7913 /18:13792
/19:25356 /20:39404 /21:45677 /22:88015 /23:71590 /24:399059
/25:800 /26:602 /27:627 /28:35 /29:20 /30:19
/31:4 /32:53
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 3427 4682 UNI2-AS, ES
6327 3231 3442 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
22773 2515 3253 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2281 2819 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 2214 2842 CABLEONE - CABLE ONE, INC., US
18566 2060 2166 MEGAPATH5-US - MegaPath Corporation, US
11830 2005 2657 Instituto Costarricense de Electricidad y Telec
30036 1770 2018 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1575 3483 Telmex Colombia S.A., CO
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1612 2:835 4:18 5:2827 6:43 7:1
8:1128 12:1877 13:210 14:1795 15:31 16:3
17:190 18:54 20:50 23:2464 24:2209 25:2
27:2476 31:2020 32:88 35:29 36:512 37:2883
38:1486 39:254 40:122 41:3154 42:652 43:1967
44:122 45:5309 46:3101 47:197 49:1333 50:1049
51:318 52:1078 54:370 55:1 56:12 57:39
58:1622 59:991 60:403 61:2118 62:1862 63:1793
64:5050 65:2216 66:4705 67:2552 68:1164 69:3290
70:1155 71:582 72:2155 74:2722 75:422 76:463
77:1643 78:1686 79:2133 80:1541 81:1381 82:1031
83:783 84:1034 85:1986 86:566 87:1357 88:918
89:2356 90:216 91:6444 92:1263 93:2368 94:2393
95:2919 96:793 97:357 98:934 99:133 100:85
101:1234 102:174 103:18328 104:3578 105:216 106:769
107:1775 108:714 109:3147 110:1639 111:1798 112:1334
113:1299 114:1136 115:1660 116:1645 117:1774 118:2217
119:1678 120:1009 121:1047 122:2435 123:1767 124:1446
125:1922 128:1109 129:690 130:492 131:1636 132:727
133:195 134:1023 135:232 136:499 137:645 138:1946
139:664 140:471 141:736 142:810 143:1027 144:809
145:484 146:1209 147:730 148:1646 149:748 150:741
151:1100 152:821 153:323 154:1488 155:804 156:1313
157:797 158:655 159:1821 160:1296 161:841 162:2592
163:602 164:1080 165:1528 166:460 167:1296 168:3135
169:828 170:3833 171:492 172:1002 173:2027 174:929
175:779 176:2005 177:4035 178:2505 179:1251 180:2170
181:2421 182:2392 183:1240 184:1041 185:13938 186:3644
187:2401 188:2914 189:2037 190:8357 191:1357 192:9812
193:6099 194:5002 195:3983 196:2660 197:1593 198:5572
199:5911 200:7394 201:5018 202:10247 203:10290 204:4590
205:2923 206:3163 207:3207 208:3962 209:4012 210:3866
211:1989 212:3042 213:2811 214:1043 215:56 216:6041
217:2118 218:859 219:578 220:1813 221:994 222:972
223:1373
End of report
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