[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jun 8 18:03:09 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 09 Jun, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 703944
Prefixes after maximum aggregation (per Origin AS): 270298
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 337366
Total ASes present in the Internet Routing Table: 60965
Prefixes per ASN: 11.55
Origin-only ASes present in the Internet Routing Table: 52613
Origin ASes announcing only one prefix: 22991
Transit ASes present in the Internet Routing Table: 8352
Transit-only ASes present in the Internet Routing Table: 280
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 30
Max AS path prepend of ASN ( 30873) 28
Prefixes from unregistered ASNs in the Routing Table: 73
Number of instances of unregistered ASNs: 73
Number of 32-bit ASNs allocated by the RIRs: 22870
Number of 32-bit ASNs visible in the Routing Table: 18455
Prefixes from 32-bit ASNs in the Routing Table: 76985
Number of bogon 32-bit ASNs visible in the Routing Table: 17
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 254
Number of addresses announced to Internet: 2858854723
Equivalent to 170 /8s, 102 /16s and 169 /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: 98.9
Total number of prefixes smaller than registry allocations: 235189
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 192144
Total APNIC prefixes after maximum aggregation: 54502
APNIC Deaggregation factor: 3.53
Prefixes being announced from the APNIC address blocks: 190877
Unique aggregates announced from the APNIC address blocks: 77709
APNIC Region origin ASes present in the Internet Routing Table: 8863
APNIC Prefixes per ASN: 21.54
APNIC Region origin ASes announcing only one prefix: 2487
APNIC Region transit ASes present in the Internet Routing Table: 1340
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: 3835
Number of APNIC addresses announced to Internet: 767495938
Equivalent to 45 /8s, 191 /16s and 15 /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: 209136
Total ARIN prefixes after maximum aggregation: 99495
ARIN Deaggregation factor: 2.10
Prefixes being announced from the ARIN address blocks: 209874
Unique aggregates announced from the ARIN address blocks: 99071
ARIN Region origin ASes present in the Internet Routing Table: 18200
ARIN Prefixes per ASN: 11.53
ARIN Region origin ASes announcing only one prefix: 6727
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: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2360
Number of ARIN addresses announced to Internet: 1104150304
Equivalent to 65 /8s, 207 /16s and 255 /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: 192454
Total RIPE prefixes after maximum aggregation: 92303
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 188510
Unique aggregates announced from the RIPE address blocks: 111882
RIPE Region origin ASes present in the Internet Routing Table: 25225
RIPE Prefixes per ASN: 7.47
RIPE Region origin ASes announcing only one prefix: 11386
RIPE Region transit ASes present in the Internet Routing Table: 3515
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 7074
Number of RIPE addresses announced to Internet: 716001408
Equivalent to 42 /8s, 173 /16s and 80 /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: 91138
Total LACNIC prefixes after maximum aggregation: 19938
LACNIC Deaggregation factor: 4.57
Prefixes being announced from the LACNIC address blocks: 92568
Unique aggregates announced from the LACNIC address blocks: 40818
LACNIC Region origin ASes present in the Internet Routing Table: 7207
LACNIC Prefixes per ASN: 12.84
LACNIC Region origin ASes announcing only one prefix: 2006
LACNIC Region transit ASes present in the Internet Routing Table: 1342
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: 4754
Number of LACNIC addresses announced to Internet: 172420000
Equivalent to 10 /8s, 70 /16s and 235 /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: 18998
Total AfriNIC prefixes after maximum aggregation: 4006
AfriNIC Deaggregation factor: 4.74
Prefixes being announced from the AfriNIC address blocks: 21861
Unique aggregates announced from the AfriNIC address blocks: 7662
AfriNIC Region origin ASes present in the Internet Routing Table: 1158
AfriNIC Prefixes per ASN: 18.88
AfriNIC Region origin ASes announcing only one prefix: 385
AfriNIC Region transit ASes present in the Internet Routing Table: 231
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 432
Number of AfriNIC addresses announced to Internet: 98352640
Equivalent to 5 /8s, 220 /16s and 190 /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 5423 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4405 419 434 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 2867 1154 76 VIETEL-AS-AP Viettel Group, VN
4766 2846 11134 761 KIXS-AS-KR Korea Telecom, KR
9829 2803 1497 543 BSNL-NIB National Internet Backbone, IN
45899 2554 1598 162 VNPT-AS-VN VNPT Corp, VN
9394 2538 4907 31 CTTNET China TieTong Telecommunications
17974 2219 928 79 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9808 2209 8699 26 CMNET-GD Guangdong Mobile Communication
4755 2104 417 206 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 3459 1324 85 SHAW - Shaw Communications Inc., CA
22773 3280 2968 147 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
11492 2193 237 450 CABLEONE - CABLE ONE, INC., US
18566 2170 405 109 MEGAPATH5-US - MegaPath Corporation, US
16509 2136 4706 674 AMAZON-02 - Amazon.com, Inc., US
20115 2105 2553 467 CHARTER-NET-HKY-NC - Charter Communicat
209 2006 5070 608 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
30036 1986 342 169 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
16625 1889 938 1349 AKAMAI-AS - Akamai Technologies, Inc.,
7018 1732 20202 1271 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 4240 1517 544 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 2817 377 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2586 658 1897 AKAMAI-ASN1, US
34984 2026 335 496 TELLCOM-AS, TR
12389 2012 1877 707 ROSTELECOM-AS, RU
9121 1887 1692 19 TTNET, TR
13188 1609 100 43 TRIOLAN, UA
8402 1258 544 14 CORBINA-AS OJSC "Vimpelcom", RU
6849 1241 355 21 UKRTELNET, UA
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 4973 3305 583 Uninet S.A. de C.V., MX
10620 3588 541 254 Telmex Colombia S.A., CO
11830 2650 369 77 Instituto Costarricense de Electricidad
6503 1640 443 60 Axtel, S.A.B. de C.V., MX
7303 1516 1027 189 Telecom Argentina S.A., AR
28573 1031 2241 176 CLARO S.A., BR
3816 1009 505 130 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 932 377 31 Telefonica del Peru S.A.A., PE
11172 926 126 85 Alestra, S. de R.L. de C.V., MX
18881 911 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 857 107 9 Afrihost, ZA
36903 735 369 146 MT-MPLS, MA
36992 723 1412 41 ETISALAT-MISR, EG
8452 671 1730 18 TE-AS TE-AS, EG
24835 607 818 18 RAYA-AS, EG
37492 467 470 57 ORANGE-, TN
29571 455 68 11 ORANGE-COTE-IVOIRE, CI
37342 378 32 1 MOVITEL, MZ
15399 369 35 7 WANANCHI-, KE
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 5423 4192 74 ERX-CERNET-BKB China Education and Rese
8151 4973 3305 583 Uninet S.A. de C.V., MX
7545 4405 419 434 TPG-INTERNET-AP TPG Telecom Limited, AU
12479 4240 1517 544 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
10620 3588 541 254 Telmex Colombia S.A., CO
6327 3459 1324 85 SHAW - Shaw Communications Inc., CA
22773 3280 2968 147 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
7552 2867 1154 76 VIETEL-AS-AP Viettel Group, VN
4766 2846 11134 761 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
8151 4973 4390 Uninet S.A. de C.V., MX
7545 4405 3971 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
12479 4240 3696 UNI2-AS, ES
6327 3459 3374 SHAW - Shaw Communications Inc., CA
10620 3588 3334 Telmex Colombia S.A., CO
22773 3280 3133 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7552 2867 2791 VIETEL-AS-AP Viettel Group, VN
8551 2817 2774 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11830 2650 2573 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
65456 PRIVATE 31.171.126.0/23 199311 AZRT-LX Local Internet Exchang
230105 UNALLOCATED 38.110.79.0/24 23015 CMC180-TOR-AS - Cambridge Merc
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
65000 PRIVATE 95.179.2.0/24 65001 -Private Use AS-, ZZ
65000 PRIVATE 95.179.3.0/24 65001 -Private Use AS-, ZZ
65000 PRIVATE 95.179.69.0/24 65001 -Private Use AS-, ZZ
65000 PRIVATE 95.179.70.0/24 65001 -Private Use AS-, ZZ
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
41.76.140.0/24 37500 -Reserved AS-, ZZ
41.76.141.0/24 37500 -Reserved AS-, ZZ
41.76.142.0/24 37500 -Reserved AS-, ZZ
41.76.143.0/24 37500 -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 /8:14 /9:11 /10:37 /11:99 /12:290
/13:567 /14:1097 /15:1901 /16:13371 /17:7931 /18:13755
/19:25307 /20:39368 /21:45518 /22:87459 /23:71110 /24:393881
/25:828 /26:632 /27:636 /28:36 /29:20 /30:17
/31:4 /32:55
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3246 3459 SHAW - Shaw Communications Inc., CA
12479 3027 4240 UNI2-AS, ES
39891 2946 3778 ALJAWWALSTC-AS, SA
22773 2543 3280 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2279 2817 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
18566 2063 2170 MEGAPATH5-US - MegaPath Corporation, US
11830 1998 2650 Instituto Costarricense de Electricidad y Telec
11492 1910 2193 CABLEONE - CABLE ONE, INC., US
30036 1738 1986 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1612 3588 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)
----------------------------------------------
1:1643 2:858 4:19 5:2808 6:66 7:1
8:1119 12:1863 13:194 14:1757 15:28 16:3
17:210 18:55 20:49 21:8 23:2643 24:2229
25:2 27:2376 31:1989 32:92 35:27 36:512
37:2756 38:1477 39:265 40:121 41:3219 42:681
43:1923 44:118 45:4689 46:3042 47:200 49:1326
50:1056 51:314 52:1050 54:369 55:2 56:12
57:40 58:1620 59:999 60:428 61:2161 62:1835
63:1792 64:5032 65:2210 66:4679 67:2443 68:1166
69:3221 70:1152 71:566 72:2115 74:2734 75:419
76:454 77:1559 78:1709 79:1812 80:1517 81:1389
82:1093 83:771 84:1080 85:2044 86:577 87:1312
88:926 89:2341 90:214 91:6386 92:1206 93:2368
94:2395 95:2835 96:730 97:358 98:946 99:133
100:83 101:1277 102:79 103:17862 104:3619 105:243
106:632 107:1897 108:686 109:3451 110:1640 111:1778
112:1269 113:1279 114:1131 115:1645 116:1637 117:1730
118:2159 119:1665 120:975 121:1050 122:2444 123:1772
124:1436 125:1899 128:1026 129:656 130:450 131:1592
132:678 133:196 134:1025 135:258 136:500 137:560
138:1970 139:610 140:406 141:725 142:829 143:1010
144:805 145:479 146:1196 147:730 148:1636 149:765
150:732 151:1060 152:784 153:312 154:1100 155:766
156:1031 157:802 158:658 159:1738 160:1001 161:781
162:2583 163:583 164:1059 165:1476 166:462 167:1285
168:3064 169:830 170:3732 171:440 172:1087 173:2010
174:905 175:779 176:1997 177:4028 178:2505 179:1215
180:2225 181:2246 182:2368 183:1181 184:1024 185:13565
186:3620 187:2375 188:2841 189:2096 190:8122 191:1404
192:9829 193:5966 194:4842 195:3984 196:2551 197:1558
198:5521 199:5917 200:7367 201:5020 202:10458 203:10197
204:4577 205:2892 206:3110 207:3176 208:4018 209:3978
210:4054 211:2107 212:3046 213:2732 214:968 215:59
216:5971 217:2129 218:912 219:627 220:1768 221:989
222:1022 223:1286
End of report
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