[cmNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Ven 13 Juil 18:03:10 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 14 Jul, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 705823
Prefixes after maximum aggregation (per Origin AS): 271028
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 338650
Total ASes present in the Internet Routing Table: 61231
Prefixes per ASN: 11.53
Origin-only ASes present in the Internet Routing Table: 52910
Origin ASes announcing only one prefix: 23071
Transit ASes present in the Internet Routing Table: 8321
Transit-only ASes present in the Internet Routing Table: 269
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: 62
Number of instances of unregistered ASNs: 67
Number of 32-bit ASNs allocated by the RIRs: 23260
Number of 32-bit ASNs visible in the Routing Table: 18762
Prefixes from 32-bit ASNs in the Routing Table: 78492
Number of bogon 32-bit ASNs visible in the Routing Table: 31
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 281
Number of addresses announced to Internet: 2859655747
Equivalent to 170 /8s, 114 /16s and 226 /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: 235506
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 192665
Total APNIC prefixes after maximum aggregation: 54827
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 191161
Unique aggregates announced from the APNIC address blocks: 78276
APNIC Region origin ASes present in the Internet Routing Table: 8943
APNIC Prefixes per ASN: 21.38
APNIC Region origin ASes announcing only one prefix: 2520
APNIC Region transit ASes present in the Internet Routing Table: 1335
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 29
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3904
Number of APNIC addresses announced to Internet: 767722498
Equivalent to 45 /8s, 194 /16s and 132 /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: 209549
Total ARIN prefixes after maximum aggregation: 99744
ARIN Deaggregation factor: 2.10
Prefixes being announced from the ARIN address blocks: 209840
Unique aggregates announced from the ARIN address blocks: 99309
ARIN Region origin ASes present in the Internet Routing Table: 18195
ARIN Prefixes per ASN: 11.53
ARIN Region origin ASes announcing only one prefix: 6732
ARIN Region transit ASes present in the Internet Routing Table: 1803
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: 2376
Number of ARIN addresses announced to Internet: 1103006368
Equivalent to 65 /8s, 190 /16s and 138 /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: 193162
Total RIPE prefixes after maximum aggregation: 92240
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 189351
Unique aggregates announced from the RIPE address blocks: 112214
RIPE Region origin ASes present in the Internet Routing Table: 25288
RIPE Prefixes per ASN: 7.49
RIPE Region origin ASes announcing only one prefix: 11396
RIPE Region transit ASes present in the Internet Routing Table: 3497
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: 7161
Number of RIPE addresses announced to Internet: 716301184
Equivalent to 42 /8s, 177 /16s and 227 /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: 91333
Total LACNIC prefixes after maximum aggregation: 20128
LACNIC Deaggregation factor: 4.54
Prefixes being announced from the LACNIC address blocks: 92727
Unique aggregates announced from the LACNIC address blocks: 40734
LACNIC Region origin ASes present in the Internet Routing Table: 7338
LACNIC Prefixes per ASN: 12.64
LACNIC Region origin ASes announcing only one prefix: 2037
LACNIC Region transit ASes present in the Internet Routing Table: 1364
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 4880
Number of LACNIC addresses announced to Internet: 172357664
Equivalent to 10 /8s, 69 /16s and 248 /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: 19051
Total AfriNIC prefixes after maximum aggregation: 4041
AfriNIC Deaggregation factor: 4.71
Prefixes being announced from the AfriNIC address blocks: 22463
Unique aggregates announced from the AfriNIC address blocks: 7870
AfriNIC Region origin ASes present in the Internet Routing Table: 1167
AfriNIC Prefixes per ASN: 19.25
AfriNIC Region origin ASes announcing only one prefix: 386
AfriNIC Region transit ASes present in the Internet Routing Table: 230
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: 441
Number of AfriNIC addresses announced to Internet: 99820800
Equivalent to 5 /8s, 243 /16s and 37 /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 4692 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4347 467 459 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 2921 1153 80 VIETEL-AS-AP Viettel Group, VN
4766 2832 11134 761 KIXS-AS-KR Korea Telecom, KR
9829 2813 1497 543 BSNL-NIB National Internet Backbone, IN
45899 2641 1633 114 VNPT-AS-VN VNPT Corp, VN
9394 2542 4907 31 CTTNET China TieTong Telecommunications
17974 2260 930 71 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9808 2239 8699 26 CMNET-GD Guangdong Mobile Communication
4755 2116 417 205 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 84 SHAW - Shaw Communications Inc., CA
22773 3273 2968 148 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
11492 2478 242 471 CABLEONE - CABLE ONE, INC., US
16509 2241 4725 748 AMAZON-02 - Amazon.com, Inc., US
18566 2169 405 109 MEGAPATH5-US - MegaPath Corporation, US
20115 2109 2580 478 CHARTER-NET-HKY-NC - Charter Communicat
30036 2002 343 159 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
209 1999 5071 605 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
16625 1958 983 1395 AKAMAI-AS - Akamai Technologies, Inc.,
7018 1753 20203 1273 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 4511 1607 120 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
20940 2543 624 1869 AKAMAI-ASN1, US
8551 2394 377 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2014 1877 708 ROSTELECOM-AS, RU
34984 2003 334 494 TELLCOM-AS, TR
9121 1883 1692 19 TTNET, TR
13188 1604 100 43 TRIOLAN, UA
6849 1241 355 21 UKRTELNET, UA
8402 1222 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 5001 3297 587 Uninet S.A. de C.V., MX
10620 3558 541 265 Telmex Colombia S.A., CO
11830 2655 369 78 Instituto Costarricense de Electricidad
6503 1669 443 62 Axtel, S.A.B. de C.V., MX
7303 1507 1026 188 Telecom Argentina S.A., AR
28573 1035 2247 189 CLARO S.A., BR
3816 1023 508 129 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 934 377 31 Telefonica del Peru S.A.A., PE
11172 928 127 86 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 1156 396 48 LINKdotNET-AS, EG
37611 882 107 9 Afrihost, ZA
36903 778 391 137 MT-MPLS, MA
36992 743 1411 40 ETISALAT-MISR, EG
8452 627 1730 18 TE-AS TE-AS, EG
24835 608 818 18 RAYA-AS, EG
37492 472 470 57 ORANGE-, TN
29571 456 68 11 ORANGE-COTE-IVOIRE, CI
37342 386 32 1 MOVITEL, MZ
23889 376 231 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 5001 3297 587 Uninet S.A. de C.V., MX
4538 4692 4192 74 ERX-CERNET-BKB China Education and Rese
12479 4511 1607 120 UNI2-AS, ES
7545 4347 467 459 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 203 20 ALJAWWALSTC-AS, SA
10620 3558 541 265 Telmex Colombia S.A., CO
6327 3431 1324 84 SHAW - Shaw Communications Inc., CA
22773 3273 2968 148 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
7552 2921 1153 80 VIETEL-AS-AP Viettel Group, VN
4766 2832 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
4538 4692 4618 ERX-CERNET-BKB China Education and Research Net
12479 4511 4391 UNI2-AS, ES
7545 4347 3888 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3431 3347 SHAW - Shaw Communications Inc., CA
10620 3558 3293 Telmex Colombia S.A., CO
22773 3273 3125 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7552 2921 2841 VIETEL-AS-AP Viettel Group, VN
11830 2655 2577 Instituto Costarricense de Electricidad y Telec
45899 2641 2527 VNPT-AS-VN VNPT Corp, VN
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
266842 UNALLOCATED 45.238.156.0/22 265680 HNTELCO S.A, HN
65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom
4200015017 PRIVATE 47.74.136.0/24 45102 CNNIC-ALIBABA-CN-NET-AP Alibab
4200015017 PRIVATE 47.74.161.0/24 45102 CNNIC-ALIBABA-CN-NET-AP Alibab
4200015017 PRIVATE 47.74.203.0/24 45102 CNNIC-ALIBABA-CN-NET-AP Alibab
4200015017 PRIVATE 47.88.147.0/24 45102 CNNIC-ALIBABA-CN-NET-AP Alibab
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
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
43.251.84.0/22 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 /8:14 /9:11 /10:37 /11:99 /12:290
/13:569 /14:1097 /15:1896 /16:13374 /17:7935 /18:13768
/19:25318 /20:39420 /21:45608 /22:87729 /23:71214 /24:395282
/25:802 /26:604 /27:624 /28:35 /29:20 /30:20
/31:6 /32:51
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 3261 4511 UNI2-AS, ES
6327 3217 3431 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
22773 2537 3273 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2062 2169 MEGAPATH5-US - MegaPath Corporation, US
11830 2004 2655 Instituto Costarricense de Electricidad y Telec
11492 1966 2478 CABLEONE - CABLE ONE, INC., US
8551 1856 2394 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 1754 2002 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1612 3558 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)
----------------------------------------------
1:1614 2:838 4:18 5:2854 6:41 7:1
8:1121 12:1873 13:201 14:1755 15:29 16:3
17:188 18:54 20:50 23:2446 24:2222 25:2
27:2467 31:2031 32:91 35:27 36:508 37:2796
38:1470 39:252 40:121 41:3123 42:680 43:1929
44:121 45:5001 46:3076 47:202 49:1333 50:1050
51:316 52:1068 54:372 55:3 56:12 57:39
58:1605 59:991 60:402 61:2102 62:1866 63:1794
64:5045 65:2198 66:4668 67:2433 68:1166 69:3250
70:1157 71:582 72:2137 74:2704 75:422 76:455
77:1547 78:1715 79:1665 80:1536 81:1373 82:1074
83:793 84:1075 85:2011 86:565 87:1328 88:929
89:2350 90:213 91:6402 92:1239 93:2376 94:2385
95:2904 96:779 97:357 98:935 99:133 100:85
101:1236 102:141 103:18096 104:3566 105:208 106:718
107:1784 108:697 109:3188 110:1621 111:1776 112:1305
113:1280 114:1134 115:1657 116:1637 117:1761 118:2197
119:1662 120:997 121:1056 122:2469 123:1775 124:1449
125:1914 128:1084 129:676 130:459 131:1629 132:707
133:195 134:1015 135:226 136:509 137:555 138:1959
139:656 140:467 141:729 142:806 143:1015 144:801
145:483 146:1195 147:728 148:1612 149:748 150:747
151:1100 152:803 153:319 154:1348 155:766 156:1137
157:796 158:652 159:1761 160:1216 161:794 162:2571
163:598 164:1074 165:1509 166:446 167:1297 168:3110
169:817 170:3803 171:474 172:1010 173:1983 174:910
175:771 176:1990 177:4029 178:2537 179:1239 180:2171
181:2378 182:2551 183:1232 184:1035 185:13754 186:3637
187:2419 188:2849 189:2040 190:8141 191:1352 192:9811
193:6038 194:4884 195:3980 196:2625 197:1594 198:5548
199:5904 200:7320 201:4987 202:10266 203:10268 204:4582
205:2895 206:3109 207:3174 208:3989 209:3996 210:3886
211:1982 212:3025 213:2794 214:990 215:59 216:6047
217:2129 218:855 219:576 220:1777 221:985 222:970
223:1349
End of report
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