[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Apr 6 18:03:30 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 07 Apr, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 690896
Prefixes after maximum aggregation (per Origin AS): 266872
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 332608
Total ASes present in the Internet Routing Table: 60156
Prefixes per ASN: 11.49
Origin-only ASes present in the Internet Routing Table: 51982
Origin ASes announcing only one prefix: 22730
Transit ASes present in the Internet Routing Table: 8174
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: 50
Number of instances of unregistered ASNs: 50
Number of 32-bit ASNs allocated by the RIRs: 22082
Number of 32-bit ASNs visible in the Routing Table: 17722
Prefixes from 32-bit ASNs in the Routing Table: 73655
Number of bogon 32-bit ASNs visible in the Routing Table: 20
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 310
Number of addresses announced to Internet: 2861813986
Equivalent to 170 /8s, 147 /16s and 208 /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: 230077
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 188751
Total APNIC prefixes after maximum aggregation: 53654
APNIC Deaggregation factor: 3.52
Prefixes being announced from the APNIC address blocks: 187714
Unique aggregates announced from the APNIC address blocks: 76628
APNIC Region origin ASes present in the Internet Routing Table: 8693
APNIC Prefixes per ASN: 21.59
APNIC Region origin ASes announcing only one prefix: 2439
APNIC Region transit ASes present in the Internet Routing Table: 1288
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 24
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3653
Number of APNIC addresses announced to Internet: 766814946
Equivalent to 45 /8s, 180 /16s and 170 /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: 206144
Total ARIN prefixes after maximum aggregation: 98618
ARIN Deaggregation factor: 2.09
Prefixes being announced from the ARIN address blocks: 206770
Unique aggregates announced from the ARIN address blocks: 97746
ARIN Region origin ASes present in the Internet Routing Table: 18123
ARIN Prefixes per ASN: 11.41
ARIN Region origin ASes announcing only one prefix: 6693
ARIN Region transit ASes present in the Internet Routing Table: 1795
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: 2332
Number of ARIN addresses announced to Internet: 1109310624
Equivalent to 66 /8s, 30 /16s and 188 /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: 188163
Total RIPE prefixes after maximum aggregation: 90863
RIPE Deaggregation factor: 2.07
Prefixes being announced from the RIPE address blocks: 184468
Unique aggregates announced from the RIPE address blocks: 109731
RIPE Region origin ASes present in the Internet Routing Table: 24935
RIPE Prefixes per ASN: 7.40
RIPE Region origin ASes announcing only one prefix: 11306
RIPE Region transit ASes present in the Internet Routing Table: 3476
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: 6819
Number of RIPE addresses announced to Internet: 715437952
Equivalent to 42 /8s, 164 /16s and 183 /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: 89159
Total LACNIC prefixes after maximum aggregation: 19670
LACNIC Deaggregation factor: 4.53
Prefixes being announced from the LACNIC address blocks: 90546
Unique aggregates announced from the LACNIC address blocks: 40664
LACNIC Region origin ASes present in the Internet Routing Table: 6983
LACNIC Prefixes per ASN: 12.97
LACNIC Region origin ASes announcing only one prefix: 1923
LACNIC Region transit ASes present in the Internet Routing Table: 1286
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 32
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 4514
Number of LACNIC addresses announced to Internet: 172503776
Equivalent to 10 /8s, 72 /16s and 50 /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: 18627
Total AfriNIC prefixes after maximum aggregation: 4027
AfriNIC Deaggregation factor: 4.63
Prefixes being announced from the AfriNIC address blocks: 21088
Unique aggregates announced from the AfriNIC address blocks: 7581
AfriNIC Region origin ASes present in the Internet Routing Table: 1131
AfriNIC Prefixes per ASN: 18.65
AfriNIC Region origin ASes announcing only one prefix: 368
AfriNIC Region transit ASes present in the Internet Routing Table: 227
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 404
Number of AfriNIC addresses announced to Internet: 97351680
Equivalent to 5 /8s, 205 /16s and 120 /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 5416 4192 74 ERX-CERNET-BKB China Education and Rese
7545 3870 413 428 TPG-INTERNET-AP TPG Telecom Limited, AU
4766 2843 11130 778 KIXS-AS-KR Korea Telecom, KR
9829 2814 1499 544 BSNL-NIB National Internet Backbone, IN
7552 2716 1155 67 VIETEL-AS-AP Viettel Group, VN
9394 2631 4923 29 CTTNET China TieTong Telecommunications
45899 2585 1570 160 VNPT-AS-VN VNPT Corp, VN
17974 2322 928 79 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9808 2178 8699 32 CMNET-GD Guangdong Mobile Communication
4755 2089 417 216 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 3352 1323 85 SHAW - Shaw Communications Inc., CA
22773 3286 2988 151 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566 2167 405 108 MEGAPATH5-US - MegaPath Corporation, US
20115 2092 2484 447 CHARTER-NET-HKY-NC - Charter Communicat
16509 2043 4411 635 AMAZON-02 - Amazon.com, Inc., US
30036 1955 341 181 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
209 1922 5071 607 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
11492 1793 228 537 CABLEONE - CABLE ONE, INC., US
16625 1707 831 1222 AKAMAI-AS - Akamai Technologies, Inc.,
7018 1706 20205 1257 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 4059 1513 474 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
20940 2735 767 2003 AKAMAI-ASN1, US
8551 2114 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2036 1859 706 ROSTELECOM-AS, RU
34984 2018 334 480 TELLCOM-AS, TR
9121 1956 1692 19 TTNET, TR
13188 1607 100 46 TRIOLAN, UA
6849 1241 355 21 UKRTELNET, UA
8402 1233 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 4328 3385 574 Uninet S.A. de C.V., MX
10620 3598 540 268 Telmex Colombia S.A., CO
11830 2641 369 85 Instituto Costarricense de Electricidad
6503 1625 437 53 Axtel, S.A.B. de C.V., MX
7303 1510 1023 192 Telecom Argentina S.A., AR
28573 1032 2251 174 CLARO S.A., BR
6147 1016 377 31 Telefonica del Peru S.A.A., PE
3816 1005 504 121 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 928 126 85 Alestra, S. de R.L. de C.V., MX
18881 908 1074 29 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 1143 396 44 LINKdotNET-AS, EG
37611 821 107 9 Afrihost, ZA
36903 741 372 137 MT-MPLS, MA
36992 705 1412 41 ETISALAT-MISR, EG
24835 638 850 15 RAYA-AS, EG
8452 631 1730 18 TE-AS TE-AS, EG
29571 471 68 12 ORANGE-COTE-IVOIRE, CI
37492 450 376 81 ORANGE-, TN
15399 364 35 7 WANANCHI-, KE
37342 360 32 1 MOVITEL, MZ
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 5416 4192 74 ERX-CERNET-BKB China Education and Rese
8151 4328 3385 574 Uninet S.A. de C.V., MX
12479 4059 1513 474 UNI2-AS, ES
7545 3870 413 428 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 203 20 ALJAWWALSTC-AS, SA
10620 3598 540 268 Telmex Colombia S.A., CO
6327 3352 1323 85 SHAW - Shaw Communications Inc., CA
22773 3286 2988 151 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
4766 2843 11130 778 KIXS-AS-KR Korea Telecom, KR
9829 2814 1499 544 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
39891 3778 3758 ALJAWWALSTC-AS, SA
8151 4328 3754 Uninet S.A. de C.V., MX
12479 4059 3585 UNI2-AS, ES
7545 3870 3442 TPG-INTERNET-AP TPG Telecom Limited, AU
10620 3598 3330 Telmex Colombia S.A., CO
6327 3352 3267 SHAW - Shaw Communications Inc., CA
22773 3286 3135 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7552 2716 2649 VIETEL-AS-AP Viettel Group, VN
9394 2631 2602 CTTNET China TieTong Telecommunications Corpora
11830 2641 2556 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
267359 UNALLOCATED 45.234.36.0/22 264144 ASAP GLOBAL TELECOM, BR
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
65024 PRIVATE 87.103.234.0/24 39407 CHITATELECOM-AS, RU
65024 PRIVATE 95.189.78.0/24 39407 CHITATELECOM-AS, RU
65024 PRIVATE 95.189.80.0/22 39407 CHITATELECOM-AS, RU
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
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
100.127.16.0/23 28885 OMANTEL-NAP-AS OmanTel NAP, OM
100.127.18.0/23 28885 OMANTEL-NAP-AS OmanTel NAP, OM
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
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
27.100.7.0/24 56096 UNKNOWN
36.255.250.0/23 10247 NETLINE, ZA
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
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 /12:288
/13:564 /14:1098 /15:1900 /16:13371 /17:7800 /18:13591
/19:25132 /20:39238 /21:45076 /22:85970 /23:69237 /24:385229
/25:841 /26:604 /27:661 /28:35 /29:20 /30:17
/31:4 /32:56
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3141 3352 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
12479 2783 4059 UNI2-AS, ES
22773 2538 3286 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2061 2167 MEGAPATH5-US - MegaPath Corporation, US
11830 1989 2641 Instituto Costarricense de Electricidad y Telec
30036 1706 1955 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1604 3598 Telmex Colombia S.A., CO
8551 1577 2114 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 1554 1793 CABLEONE - CABLE ONE, INC., US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1549 2:826 4:19 5:2759 6:59 7:1
8:1123 12:1881 13:183 14:1737 15:30 16:3
17:196 18:68 20:47 21:4 23:2542 24:2156
25:2 27:2197 31:1948 32:87 35:26 36:494
37:2680 38:1450 39:237 40:118 41:3030 42:598
43:1937 44:103 45:4024 46:3000 47:203 49:1289
50:1048 51:304 52:988 54:371 55:4 56:12
57:42 58:1505 59:1015 60:428 61:2134 62:1807
63:1797 64:4754 65:2217 66:4585 67:2346 68:1148
69:3194 70:1141 71:560 72:2096 74:2709 75:412
76:426 77:1541 78:1684 79:1917 80:1464 81:1414
82:1076 83:783 84:1034 85:2083 86:586 87:1312
88:934 89:2319 90:208 91:6272 92:1157 93:2384
94:2380 95:2758 96:658 97:357 98:935 99:133
100:79 101:1234 102:41 103:17264 104:3264 105:229
106:647 107:1765 108:710 109:2676 110:1578 111:1775
112:1267 113:1331 114:1121 115:1652 116:1640 117:1703
118:2114 119:1655 120:955 121:1061 122:2452 123:1805
124:1448 125:1882 128:982 129:640 130:448 131:1585
132:651 133:196 134:1005 135:226 136:455 137:499
138:1911 139:582 140:424 141:688 142:790 143:962
144:807 145:458 146:1164 147:760 148:1585 149:710
150:715 151:1058 152:760 153:310 154:1024 155:754
156:865 157:780 158:627 159:1663 160:932 161:747
162:2585 163:531 164:1040 165:1408 166:423 167:1408
168:3037 169:809 170:3716 171:428 172:1042 173:1962
174:883 175:750 176:1867 177:3969 178:2406 179:1202
180:2240 181:2200 182:2290 183:1143 184:913 185:13091
186:3573 187:2367 188:2747 189:2014 190:8133 191:1447
192:9820 193:5868 194:4777 195:3950 196:2493 197:1414
198:5507 199:5874 200:7395 201:4992 202:10321 203:10109
204:4523 205:2864 206:3071 207:3195 208:3981 209:3938
210:4026 211:2108 212:3018 213:2727 214:907 215:60
216:5859 217:2133 218:900 219:620 220:1724 221:1000
222:1042 223:1240
End of report
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