[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Feb 2 18:03:29 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, CaribNOG
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 03 Feb, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 683343
Prefixes after maximum aggregation (per Origin AS): 264741
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 329756
Total ASes present in the Internet Routing Table: 59719
Prefixes per ASN: 11.44
Origin-only ASes present in the Internet Routing Table: 51573
Origin ASes announcing only one prefix: 22679
Transit ASes present in the Internet Routing Table: 8146
Transit-only ASes present in the Internet Routing Table: 249
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 34
Max AS path prepend of ASN ( 30873) 32
Prefixes from unregistered ASNs in the Routing Table: 59
Number of instances of unregistered ASNs: 60
Number of 32-bit ASNs allocated by the RIRs: 21370
Number of 32-bit ASNs visible in the Routing Table: 17156
Prefixes from 32-bit ASNs in the Routing Table: 70940
Number of bogon 32-bit ASNs visible in the Routing Table: 13
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 336
Number of addresses announced to Internet: 2858256034
Equivalent to 170 /8s, 93 /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: 98.8
Total number of prefixes smaller than registry allocations: 225749
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 188424
Total APNIC prefixes after maximum aggregation: 53664
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 187544
Unique aggregates announced from the APNIC address blocks: 77378
APNIC Region origin ASes present in the Internet Routing Table: 8617
APNIC Prefixes per ASN: 21.76
APNIC Region origin ASes announcing only one prefix: 2448
APNIC Region transit ASes present in the Internet Routing Table: 1264
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3523
Number of APNIC addresses announced to Internet: 767340322
Equivalent to 45 /8s, 188 /16s and 175 /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: 203949
Total ARIN prefixes after maximum aggregation: 97708
ARIN Deaggregation factor: 2.09
Prefixes being announced from the ARIN address blocks: 204769
Unique aggregates announced from the ARIN address blocks: 96443
ARIN Region origin ASes present in the Internet Routing Table: 18070
ARIN Prefixes per ASN: 11.33
ARIN Region origin ASes announcing only one prefix: 6682
ARIN Region transit ASes present in the Internet Routing Table: 1797
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2301
Number of ARIN addresses announced to Internet: 1108936224
Equivalent to 66 /8s, 25 /16s and 6 /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: 184591
Total RIPE prefixes after maximum aggregation: 89911
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 180884
Unique aggregates announced from the RIPE address blocks: 108562
RIPE Region origin ASes present in the Internet Routing Table: 24840
RIPE Prefixes per ASN: 7.28
RIPE Region origin ASes announcing only one prefix: 11318
RIPE Region transit ASes present in the Internet Routing Table: 3483
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 6610
Number of RIPE addresses announced to Internet: 713614976
Equivalent to 42 /8s, 136 /16s and 230 /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: 88114
Total LACNIC prefixes after maximum aggregation: 19461
LACNIC Deaggregation factor: 4.53
Prefixes being announced from the LACNIC address blocks: 89454
Unique aggregates announced from the LACNIC address blocks: 39866
LACNIC Region origin ASes present in the Internet Routing Table: 6803
LACNIC Prefixes per ASN: 13.15
LACNIC Region origin ASes announcing only one prefix: 1867
LACNIC Region transit ASes present in the Internet Routing Table: 1257
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 31
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 4331
Number of LACNIC addresses announced to Internet: 172324320
Equivalent to 10 /8s, 69 /16s and 117 /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: 18204
Total AfriNIC prefixes after maximum aggregation: 3951
AfriNIC Deaggregation factor: 4.61
Prefixes being announced from the AfriNIC address blocks: 20356
Unique aggregates announced from the AfriNIC address blocks: 7237
AfriNIC Region origin ASes present in the Internet Routing Table: 1114
AfriNIC Prefixes per ASN: 18.27
AfriNIC Region origin ASes announcing only one prefix: 363
AfriNIC Region transit ASes present in the Internet Routing Table: 223
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: 391
Number of AfriNIC addresses announced to Internet: 95656192
Equivalent to 5 /8s, 179 /16s and 153 /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 5429 4195 92 ERX-CERNET-BKB China Education and Rese
7545 3752 406 407 TPG-INTERNET-AP TPG Telecom Limited, AU
4766 2878 11132 769 KIXS-AS-KR Korea Telecom, KR
9829 2770 1499 539 BSNL-NIB National Internet Backbone, IN
17974 2767 934 77 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9394 2635 4923 27 CTTNET China TieTong Telecommunications
7552 2615 1160 65 VIETEL-AS-AP Viettel Group, VN
45899 2580 1550 154 VNPT-AS-VN VNPT Corp, VN
9808 2166 8699 32 CMNET-GD Guangdong Mobile Communication
4755 2088 417 209 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 3385 1323 86 SHAW - Shaw Communications Inc., CA
22773 3265 2951 144 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566 2167 405 108 MEGAPATH5-US - MegaPath Corporation, US
20115 2081 2367 437 CHARTER-NET-HKY-NC - Charter Communicat
16509 1999 4162 575 AMAZON-02 - Amazon.com, Inc., US
6389 1938 3671 39 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
209 1912 5059 619 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
30036 1894 334 214 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
11492 1735 231 557 CABLEONE - CABLE ONE, INC., US
7018 1681 20183 1248 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
39891 3520 187 21 ALJAWWALSTC-AS, SA
20940 2837 832 2057 AKAMAI-ASN1, US
8551 2232 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12479 2211 1123 272 UNI2-AS, ES
12389 2120 1859 701 ROSTELECOM-AS, RU
34984 2002 332 474 TELLCOM-AS, TR
9121 1936 1691 17 TTNET, TR
13188 1605 100 46 TRIOLAN, UA
8402 1281 544 14 CORBINA-AS OJSC "Vimpelcom", RU
6849 1240 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 4143 3386 590 Uninet S.A. de C.V., MX
10620 3595 542 237 Telmex Colombia S.A., CO
11830 2636 370 66 Instituto Costarricense de Electricidad
6503 1629 437 53 Axtel, S.A.B. de C.V., MX
7303 1505 1025 192 Telecom Argentina S.A., AR
6147 1030 377 27 Telefonica del Peru S.A.A., PE
28573 1016 2242 191 CLARO S.A., BR
3816 1014 509 114 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 920 126 85 Alestra, S. de R.L. de C.V., MX
18881 906 1067 28 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 1192 398 50 LINKdotNET-AS, EG
37611 789 91 8 Afrihost, ZA
36903 739 371 135 MT-MPLS, MA
36992 672 1380 37 ETISALAT-MISR, EG
8452 565 1730 18 TE-AS TE-AS, EG
24835 478 786 17 RAYA-AS, EG
29571 462 68 12 ORANGE-COTE-IVOIRE, CI
37492 450 368 78 ORANGE-, TN
37342 360 32 1 MOVITEL, MZ
15399 355 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 5429 4195 92 ERX-CERNET-BKB China Education and Rese
8151 4143 3386 590 Uninet S.A. de C.V., MX
7545 3752 406 407 TPG-INTERNET-AP TPG Telecom Limited, AU
10620 3595 542 237 Telmex Colombia S.A., CO
39891 3520 187 21 ALJAWWALSTC-AS, SA
6327 3385 1323 86 SHAW - Shaw Communications Inc., CA
22773 3265 2951 144 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
4766 2878 11132 769 KIXS-AS-KR Korea Telecom, KR
20940 2837 832 2057 AKAMAI-ASN1, US
9829 2770 1499 539 BSNL-NIB National Internet Backbone, IN
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 4143 3553 Uninet S.A. de C.V., MX
39891 3520 3499 ALJAWWALSTC-AS, SA
10620 3595 3358 Telmex Colombia S.A., CO
7545 3752 3345 TPG-INTERNET-AP TPG Telecom Limited, AU
6327 3385 3299 SHAW - Shaw Communications Inc., CA
22773 3265 3121 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
17974 2767 2690 TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
9394 2635 2608 CTTNET China TieTong Telecommunications Corpora
11830 2636 2570 Instituto Costarricense de Electricidad y Telec
7552 2615 2550 VIETEL-AS-AP Viettel Group, 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
65249 PRIVATE 5.42.234.0/23 35753 ITC ITC AS number, SA
65249 PRIVATE 5.42.234.0/24 35753 ITC ITC AS number, SA
65456 PRIVATE 31.171.126.0/23 199311 AZRT-LX Local Internet Exchang
65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom
64513 PRIVATE 62.150.101.0/24 9155 QNET Kuwait, KW
419333 UNALLOCATED 84.17.91.0/24 41933 IPRAGAZ-AS Istanbul/ TURKEY, T
65024 PRIVATE 87.103.234.0/24 39407 CHITATELECOM-AS, RU
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
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.128.14.0/23 10247 NETLINE, ZA
14.192.50.0/23 10247 NETLINE, ZA
14.192.58.0/23 10247 NETLINE, ZA
23.159.192.0/24 54726 AET - AET Hosting Solutions, Inc., US
27.100.7.0/24 56096 UNKNOWN
36.255.250.0/23 10247 NETLINE, ZA
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
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 /9:12 /10:37 /11:100 /12:290
/13:563 /14:1092 /15:1895 /16:13330 /17:7774 /18:13638
/19:25295 /20:38825 /21:44967 /22:83912 /23:67887 /24:381470
/25:840 /26:605 /27:658 /28:36 /29:20 /30:18
/31:4 /32:60
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3177 3385 SHAW - Shaw Communications Inc., CA
39891 2946 3520 ALJAWWALSTC-AS, SA
22773 2528 3265 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2061 2167 MEGAPATH5-US - MegaPath Corporation, US
11830 1981 2636 Instituto Costarricense de Electricidad y Telec
8551 1696 2232 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 1654 1894 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1587 3595 Telmex Colombia S.A., CO
11492 1516 1735 CABLEONE - CABLE ONE, INC., US
9121 1420 1936 TTNET, TR
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1575 2:846 4:18 5:2649 6:58 8:1094
9:1 12:1849 13:198 14:1757 15:26 16:3
17:184 18:65 20:49 21:3 23:2538 24:2057
25:2 27:2357 31:1954 32:88 35:23 36:486
37:2538 38:1451 39:243 40:100 41:3065 42:539
43:1952 44:93 45:3618 46:3035 47:197 49:1378
50:1039 51:47 52:941 54:350 55:4 56:7
57:42 58:1584 59:1013 60:388 61:2053 62:1820
63:1813 64:4693 65:2228 66:4493 67:2350 68:1175
69:3193 70:1135 71:560 72:2084 74:2665 75:398
76:420 77:1546 78:1642 79:1683 80:1480 81:1401
82:1056 83:786 84:994 85:1975 86:555 87:1233
88:905 89:2335 90:178 91:6280 92:1163 93:2373
94:2392 95:2719 96:645 97:358 98:928 99:114
100:79 101:1513 102:16 103:17026 104:3272 105:210
106:523 107:1806 108:704 109:2960 110:1574 111:1775
112:1294 113:1388 114:1113 115:1583 116:1644 117:1700
118:2207 119:1683 120:957 121:1050 122:2465 123:1803
124:1458 125:1838 128:1020 129:598 130:440 131:1638
132:597 133:194 134:1003 135:227 136:437 137:474
138:1958 139:557 140:401 141:682 142:778 143:989
144:799 145:446 146:1161 147:745 148:1503 149:710
150:735 151:981 152:763 153:310 154:979 155:752
156:818 157:774 158:613 159:1610 160:858 161:728
162:2557 163:521 164:1223 165:1359 166:395 167:1405
168:3126 169:797 170:3663 171:407 172:1017 173:1903
174:878 175:762 176:1879 177:3912 178:2416 179:1173
180:2233 181:2128 182:2446 183:1102 184:906 185:12330
186:3441 187:2343 188:2628 189:2007 190:8116 191:1286
192:9767 193:5875 194:4772 195:3989 196:2352 197:1435
198:5540 199:5911 200:7295 201:4877 202:10394 203:9984
204:4533 205:2850 206:3054 207:3111 208:4018 209:3921
210:4019 211:2143 212:2962 213:2617 214:895 215:62
216:5831 217:2125 218:901 219:624 220:1734 221:995
222:1050 223:1231
End of report
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