[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jun 1 18:03:02 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 02 Jun, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 702696
Prefixes after maximum aggregation (per Origin AS): 269990
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 337923
Total ASes present in the Internet Routing Table: 60877
Prefixes per ASN: 11.54
Origin-only ASes present in the Internet Routing Table: 52561
Origin ASes announcing only one prefix: 22956
Transit ASes present in the Internet Routing Table: 8316
Transit-only ASes present in the Internet Routing Table: 278
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: 50
Number of instances of unregistered ASNs: 50
Number of 32-bit ASNs allocated by the RIRs: 22804
Number of 32-bit ASNs visible in the Routing Table: 18382
Prefixes from 32-bit ASNs in the Routing Table: 76690
Number of bogon 32-bit ASNs visible in the Routing Table: 15
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 261
Number of addresses announced to Internet: 2860375619
Equivalent to 170 /8s, 125 /16s and 222 /24s
Percentage of available address space announced: 77.3
Percentage of allocated address space announced: 77.3
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: 234878
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 191697
Total APNIC prefixes after maximum aggregation: 54440
APNIC Deaggregation factor: 3.52
Prefixes being announced from the APNIC address blocks: 190523
Unique aggregates announced from the APNIC address blocks: 78035
APNIC Region origin ASes present in the Internet Routing Table: 8841
APNIC Prefixes per ASN: 21.55
APNIC Region origin ASes announcing only one prefix: 2475
APNIC Region transit ASes present in the Internet Routing Table: 1329
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: 3821
Number of APNIC addresses announced to Internet: 767462658
Equivalent to 45 /8s, 190 /16s and 141 /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: 209013
Total ARIN prefixes after maximum aggregation: 99347
ARIN Deaggregation factor: 2.10
Prefixes being announced from the ARIN address blocks: 209718
Unique aggregates announced from the ARIN address blocks: 99231
ARIN Region origin ASes present in the Internet Routing Table: 18196
ARIN Prefixes per ASN: 11.53
ARIN Region origin ASes announcing only one prefix: 6726
ARIN Region transit ASes present in the Internet Routing Table: 1805
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: 2354
Number of ARIN addresses announced to Internet: 1105775648
Equivalent to 65 /8s, 232 /16s and 204 /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: 192114
Total RIPE prefixes after maximum aggregation: 92247
RIPE Deaggregation factor: 2.08
Prefixes being announced from the RIPE address blocks: 188106
Unique aggregates announced from the RIPE address blocks: 111657
RIPE Region origin ASes present in the Internet Routing Table: 25194
RIPE Prefixes per ASN: 7.47
RIPE Region origin ASes announcing only one prefix: 11377
RIPE Region transit ASes present in the Internet Routing Table: 3516
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: 7048
Number of RIPE addresses announced to Internet: 715829632
Equivalent to 42 /8s, 170 /16s and 177 /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: 90965
Total LACNIC prefixes after maximum aggregation: 19927
LACNIC Deaggregation factor: 4.56
Prefixes being announced from the LACNIC address blocks: 92410
Unique aggregates announced from the LACNIC address blocks: 41070
LACNIC Region origin ASes present in the Internet Routing Table: 7184
LACNIC Prefixes per ASN: 12.86
LACNIC Region origin ASes announcing only one prefix: 1992
LACNIC Region transit ASes present in the Internet Routing Table: 1322
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 26
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 4730
Number of LACNIC addresses announced to Internet: 172429728
Equivalent to 10 /8s, 71 /16s and 17 /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: 18855
Total AfriNIC prefixes after maximum aggregation: 3984
AfriNIC Deaggregation factor: 4.73
Prefixes being announced from the AfriNIC address blocks: 21678
Unique aggregates announced from the AfriNIC address blocks: 7703
AfriNIC Region origin ASes present in the Internet Routing Table: 1154
AfriNIC Prefixes per ASN: 18.79
AfriNIC Region origin ASes announcing only one prefix: 385
AfriNIC Region transit ASes present in the Internet Routing Table: 233
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: 429
Number of AfriNIC addresses announced to Internet: 98440704
Equivalent to 5 /8s, 222 /16s and 22 /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 5424 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4409 419 435 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 2868 1154 79 VIETEL-AS-AP Viettel Group, VN
4766 2846 11133 757 KIXS-AS-KR Korea Telecom, KR
9829 2812 1498 543 BSNL-NIB National Internet Backbone, IN
9394 2541 4923 26 CTTNET China TieTong Telecommunications
45899 2495 1586 162 VNPT-AS-VN VNPT Corp, VN
17974 2217 928 79 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9808 2207 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 3431 1324 85 SHAW - Shaw Communications Inc., CA
22773 3298 2968 147 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
11492 2201 245 409 CABLEONE - CABLE ONE, INC., US
18566 2171 405 109 MEGAPATH5-US - MegaPath Corporation, US
16509 2134 4705 669 AMAZON-02 - Amazon.com, Inc., US
20115 2106 2536 466 CHARTER-NET-HKY-NC - Charter Communicat
209 1985 5070 605 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
30036 1985 342 175 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
16625 1850 916 1325 AKAMAI-AS - Akamai Technologies, Inc.,
7018 1722 20200 1262 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 4230 1518 540 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 2842 377 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2618 679 1922 AKAMAI-ASN1, US
34984 2031 335 494 TELLCOM-AS, TR
12389 2012 1877 707 ROSTELECOM-AS, RU
9121 1889 1692 19 TTNET, TR
13188 1609 100 43 TRIOLAN, UA
8402 1267 544 14 CORBINA-AS OJSC "Vimpelcom", RU
6849 1101 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 4967 3309 582 Uninet S.A. de C.V., MX
10620 3599 541 248 Telmex Colombia S.A., CO
11830 2647 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 2253 173 CLARO S.A., BR
3816 1008 505 130 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 993 377 31 Telefonica del Peru S.A.A., PE
11172 927 126 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 1038 396 48 LINKdotNET-AS, EG
37611 852 107 9 Afrihost, ZA
36903 739 371 140 MT-MPLS, MA
36992 711 1412 43 ETISALAT-MISR, EG
8452 680 1730 18 TE-AS TE-AS, EG
24835 634 786 17 RAYA-AS, EG
37492 466 470 57 ORANGE-, TN
29571 455 68 11 ORANGE-COTE-IVOIRE, CI
37342 378 32 1 MOVITEL, MZ
23889 363 103 14 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
4538 5424 4192 74 ERX-CERNET-BKB China Education and Rese
8151 4967 3309 582 Uninet S.A. de C.V., MX
7545 4409 419 435 TPG-INTERNET-AP TPG Telecom Limited, AU
12479 4230 1518 540 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
10620 3599 541 248 Telmex Colombia S.A., CO
6327 3431 1324 85 SHAW - Shaw Communications Inc., CA
22773 3298 2968 147 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
7552 2868 1154 79 VIETEL-AS-AP Viettel Group, VN
4766 2846 11133 757 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 4967 4385 Uninet S.A. de C.V., MX
7545 4409 3974 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
12479 4230 3690 UNI2-AS, ES
10620 3599 3351 Telmex Colombia S.A., CO
6327 3431 3346 SHAW - Shaw Communications Inc., CA
22773 3298 3151 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2842 2799 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7552 2868 2789 VIETEL-AS-AP Viettel Group, VN
11830 2647 2570 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
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
64111 UNALLOCATED 98.159.5.0/24 19555 KMI-NETWORK - Kinder Morgan, I
64111 UNALLOCATED 98.159.7.0/24 19555 KMI-NETWORK - Kinder Morgan, I
64121 UNALLOCATED 98.159.9.0/24 19555 KMI-NETWORK - Kinder Morgan, I
64121 UNALLOCATED 98.159.12.0/24 19555 KMI-NETWORK - Kinder Morgan, I
64140 UNALLOCATED 98.159.14.0/24 64121 UNKNOWN
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 /11:100 /12:290
/13:565 /14:1094 /15:1903 /16:13379 /17:7909 /18:13677
/19:25154 /20:39315 /21:45543 /22:87266 /23:70831 /24:393396
/25:828 /26:627 /27:628 /28:36 /29:20 /30:17
/31:4 /32:52
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3218 3431 SHAW - Shaw Communications Inc., CA
12479 3023 4230 UNI2-AS, ES
39891 2946 3778 ALJAWWALSTC-AS, SA
22773 2553 3298 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2304 2842 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
18566 2064 2171 MEGAPATH5-US - MegaPath Corporation, US
11830 1995 2647 Instituto Costarricense de Electricidad y Telec
11492 1942 2201 CABLEONE - CABLE ONE, INC., US
30036 1736 1985 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1612 3599 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)
----------------------------------------------
1:1586 2:854 4:19 5:2828 6:66 7:1
8:1123 9:1 12:1860 13:189 14:1747 15:28
16:3 17:208 18:56 20:49 21:8 23:2639
24:2225 25:2 27:2359 31:1995 32:92 35:27
36:508 37:2744 38:1468 39:264 40:121 41:3226
42:594 43:1938 44:118 45:4645 46:3038 47:199
49:1324 50:1058 51:314 52:1050 54:369 55:3
56:12 57:41 58:1615 59:1005 60:434 61:2166
62:1844 63:1797 64:5032 65:2220 66:4693 67:2435
68:1161 69:3203 70:1143 71:566 72:2103 74:2733
75:414 76:453 77:1522 78:1712 79:1828 80:1508
81:1400 82:1094 83:775 84:1095 85:2052 86:575
87:1321 88:928 89:2354 90:213 91:6354 92:1203
93:2369 94:2401 95:2828 96:731 97:356 98:947
99:133 100:83 101:1276 102:66 103:17829 104:3619
105:240 106:622 107:1894 108:700 109:3463 110:1636
111:1778 112:1264 113:1255 114:1120 115:1641 116:1652
117:1730 118:2151 119:1662 120:978 121:1051 122:2444
123:1793 124:1429 125:1900 128:1034 129:647 130:458
131:1590 132:665 133:196 134:1025 135:226 136:480
137:561 138:1976 139:602 140:403 141:712 142:821
143:1002 144:799 145:464 146:1194 147:734 148:1636
149:740 150:727 151:1059 152:783 153:312 154:1096
155:763 156:994 157:796 158:655 159:1738 160:968
161:776 162:2586 163:571 164:1057 165:1472 166:458
167:1414 168:3068 169:802 170:3722 171:437 172:1072
173:2007 174:910 175:776 176:1993 177:3969 178:2503
179:1232 180:2223 181:2237 182:2367 183:1180 184:1022
185:13540 186:3631 187:2374 188:2849 189:2079 190:8129
191:1422 192:9836 193:5960 194:4810 195:3983 196:2588
197:1530 198:5527 199:5938 200:7392 201:5032 202:10474
203:10204 204:4572 205:2889 206:3108 207:3195 208:4005
209:3959 210:4044 211:2106 212:3048 213:2745 214:972
215:61 216:5966 217:2132 218:909 219:627 220:1772
221:988 222:1026 223:1273
End of report
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