[menog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jan 18 18:03:25 UTC 2019
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 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 19 Jan, 2019
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 734004
Prefixes after maximum aggregation (per Origin AS): 282378
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 353532
Total ASes present in the Internet Routing Table: 62962
Prefixes per ASN: 11.66
Origin-only ASes present in the Internet Routing Table: 54273
Origin ASes announcing only one prefix: 23530
Transit ASes present in the Internet Routing Table: 8689
Transit-only ASes present in the Internet Routing Table: 265
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 31
Max AS path prepend of ASN ( 16327) 25
Prefixes from unregistered ASNs in the Routing Table: 22
Number of instances of unregistered ASNs: 24
Number of 32-bit ASNs allocated by the RIRs: 25491
Number of 32-bit ASNs visible in the Routing Table: 20715
Prefixes from 32-bit ASNs in the Routing Table: 89526
Number of bogon 32-bit ASNs visible in the Routing Table: 16
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 273
Number of addresses announced to Internet: 2841952643
Equivalent to 169 /8s, 100 /16s and 193 /24s
Percentage of available address space announced: 76.8
Percentage of allocated address space announced: 76.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.1
Total number of prefixes smaller than registry allocations: 245866
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 199790
Total APNIC prefixes after maximum aggregation: 57093
APNIC Deaggregation factor: 3.50
Prefixes being announced from the APNIC address blocks: 196929
Unique aggregates announced from the APNIC address blocks: 81448
APNIC Region origin ASes present in the Internet Routing Table: 9384
APNIC Prefixes per ASN: 20.99
APNIC Region origin ASes announcing only one prefix: 2643
APNIC Region transit ASes present in the Internet Routing Table: 1386
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 4378
Number of APNIC addresses announced to Internet: 769374242
Equivalent to 45 /8s, 219 /16s and 184 /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, 131072-139577
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: 217361
Total ARIN prefixes after maximum aggregation: 103199
ARIN Deaggregation factor: 2.11
Prefixes being announced from the ARIN address blocks: 216564
Unique aggregates announced from the ARIN address blocks: 103707
ARIN Region origin ASes present in the Internet Routing Table: 18321
ARIN Prefixes per ASN: 11.82
ARIN Region origin ASes announcing only one prefix: 6799
ARIN Region transit ASes present in the Internet Routing Table: 1847
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2549
Number of ARIN addresses announced to Internet: 1079601824
Equivalent to 64 /8s, 89 /16s and 106 /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, 393216-399260
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: 201336
Total RIPE prefixes after maximum aggregation: 95847
RIPE Deaggregation factor: 2.10
Prefixes being announced from the RIPE address blocks: 197689
Unique aggregates announced from the RIPE address blocks: 116800
RIPE Region origin ASes present in the Internet Routing Table: 25749
RIPE Prefixes per ASN: 7.68
RIPE Region origin ASes announcing only one prefix: 11481
RIPE Region transit ASes present in the Internet Routing Table: 3615
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 7738
Number of RIPE addresses announced to Internet: 716348864
Equivalent to 42 /8s, 178 /16s and 157 /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
196608-210331
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: 95296
Total LACNIC prefixes after maximum aggregation: 22034
LACNIC Deaggregation factor: 4.32
Prefixes being announced from the LACNIC address blocks: 96718
Unique aggregates announced from the LACNIC address blocks: 42241
LACNIC Region origin ASes present in the Internet Routing Table: 7994
LACNIC Prefixes per ASN: 12.10
LACNIC Region origin ASes announcing only one prefix: 2186
LACNIC Region transit ASes present in the Internet Routing Table: 1494
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 31
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 5547
Number of LACNIC addresses announced to Internet: 173205248
Equivalent to 10 /8s, 82 /16s and 231 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-270748 + 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: 20198
Total AfriNIC prefixes after maximum aggregation: 4186
AfriNIC Deaggregation factor: 4.83
Prefixes being announced from the AfriNIC address blocks: 25831
Unique aggregates announced from the AfriNIC address blocks: 9092
AfriNIC Region origin ASes present in the Internet Routing Table: 1232
AfriNIC Prefixes per ASN: 20.97
AfriNIC Region origin ASes announcing only one prefix: 421
AfriNIC Region transit ASes present in the Internet Routing Table: 242
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 503
Number of AfriNIC addresses announced to Internet: 103019520
Equivalent to 6 /8s, 35 /16s and 244 /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 4649 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4610 524 522 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 3043 1159 92 VIETEL-AS-AP Viettel Group, VN
45899 3000 1721 111 VNPT-AS-VN VNPT Corp, VN
4766 2809 11127 767 KIXS-AS-KR Korea Telecom, KR
9829 2749 1496 551 BSNL-NIB National Internet Backbone, IN
9808 2473 8699 26 CMNET-GD Guangdong Mobile Communication
9394 2401 4906 29 CTTNET China TieTong Telecommunications
4755 2143 438 181 TATACOMM-AS TATA Communications formerl
17974 2035 968 50 TELKOMNET-AS2-AP PT Telekomunikasi Indo
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 3536 1326 92 SHAW - Shaw Communications Inc., CA
11492 3490 225 613 CABLEONE - CABLE ONE, INC., US
22773 3310 2979 174 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 2606 5374 989 AMAZON-02 - Amazon.com, Inc., US
16625 2255 1238 1704 AKAMAI-AS - Akamai Technologies, Inc.,
20115 2149 2753 537 CHARTER-20115 - Charter Communications,
18566 2136 405 108 MEGAPATH5-US - MegaPath Corporation, US
30036 2118 355 111 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
5650 2089 3074 1462 FRONTIER-FRTR - Frontier Communications
209 2071 5076 585 CENTURYLINK-US-LEGACY-QWEST - CenturyLi
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 5302 1628 138 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 3283 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2640 573 1937 AKAMAI-ASN1, US
12389 2230 2220 631 ROSTELECOM-AS, RU
34984 2056 338 525 TELLCOM-AS, TR
9121 1690 1691 17 TTNET, TR
13188 1604 100 46 TRIOLAN, UA
8402 1301 545 15 CORBINA-AS OJSC "Vimpelcom", RU
9009 1279 139 714 M247, GB
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 5518 3326 588 Uninet S.A. de C.V., MX
10620 3143 473 915 Telmex Colombia S.A., CO
11830 2675 371 59 Instituto Costarricense de Electricidad
6503 1620 449 54 Axtel, S.A.B. de C.V., MX
7303 1441 961 226 Telecom Argentina S.A., AR
28573 1178 2239 183 CLARO S.A., BR
6147 1088 377 29 Telefonica del Peru S.A.A., PE
3816 1029 511 115 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 935 143 66 Alestra, S. de R.L. de C.V., MX
13999 928 535 253 Mega Cable, S.A. de C.V., MX
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 1148 393 22 LINKdotNET-AS, EG
37611 903 107 9 Afrihost, ZA
36903 797 401 139 MT-MPLS, MA
36992 784 1411 44 ETISALAT-MISR, EG
24835 684 634 21 RAYA-AS, EG
8452 642 1731 20 TE-AS TE-AS, EG
29571 482 70 13 ORANGE-COTE-IVOIRE, CI
37492 459 470 57 ORANGE-, TN
15399 417 45 11 WANANCHI-, KE
37342 416 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
8151 5518 3326 588 Uninet S.A. de C.V., MX
12479 5302 1628 138 UNI2-AS, ES
4538 4649 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4610 524 522 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 203 20 ALJAWWALSTC-AS, SA
6327 3536 1326 92 SHAW - Shaw Communications Inc., CA
11492 3490 225 613 CABLEONE - CABLE ONE, INC., US
22773 3310 2979 174 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
8551 3283 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
10620 3143 473 915 Telmex Colombia S.A., CO
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
12479 5302 5164 UNI2-AS, ES
4538 4649 4575 ERX-CERNET-BKB China Education and Research Net
7545 4610 4088 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3536 3444 SHAW - Shaw Communications Inc., CA
8551 3283 3240 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 3310 3136 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7552 3043 2951 VIETEL-AS-AP Viettel Group, VN
45899 3000 2889 VNPT-AS-VN VNPT Corp, VN
11492 3490 2877 CABLEONE - CABLE ONE, INC., US
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
174405 UNALLOCATED 103.217.158.0/24 135405 TMHTTWTL-AS-AP WELINK, MM
64339 UNALLOCATED 143.0.108.0/22 18747 IFX18747 - IFX Corporation, US
64355 UNALLOCATED 156.40.196.0/24 30387 NIH-NET-NCCS - National Instit
64011 UNALLOCATED 166.133.128.0/18 20057 ATT-MOBILITY-LLC-AS20057 - AT&
64011 UNALLOCATED 166.133.192.0/18 20057 ATT-MOBILITY-LLC-AS20057 - AT&
64011 UNALLOCATED 166.184.9.0/24 20057 ATT-MOBILITY-LLC-AS20057 - AT&
64011 UNALLOCATED 166.220.64.0/19 20057 ATT-MOBILITY-LLC-AS20057 - AT&
64011 UNALLOCATED 166.220.96.0/19 20057 ATT-MOBILITY-LLC-AS20057 - AT&
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
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
27.126.156.0/22 55827 UNKNOWN
27.126.156.0/23 55827 UNKNOWN
27.126.158.0/23 55827 UNKNOWN
41.76.136.0/22 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
43.255.80.0/24 36351 SOFTLAYER - SoftLayer Technologies Inc., US
43.255.82.0/24 36351 SOFTLAYER - SoftLayer Technologies Inc., US
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 /8:12 /9:10 /10:36 /11:99 /12:292
/13:568 /14:1129 /15:1917 /16:13358 /17:7881 /18:13838
/19:25541 /20:39660 /21:46167 /22:91397 /23:74725 /24:414525
/25:922 /26:827 /27:877 /28:20 /29:6 /30:7
/31:0 /32:190
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 4153 5302 UNI2-AS, ES
6327 3299 3536 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
11492 2763 3490 CABLEONE - CABLE ONE, INC., US
8551 2739 3283 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2549 3310 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2031 2136 MEGAPATH5-US - MegaPath Corporation, US
11830 2021 2675 Instituto Costarricense de Electricidad y Telec
30036 1864 2118 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
5650 1761 2089 FRONTIER-FRTR - Frontier Communications of Amer
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1612 2:895 3:1 4:23 5:2779 6:43
7:1 8:1176 12:1874 13:307 14:1890 15:36
16:2 17:218 18:59 20:49 23:2590 24:2413
25:2 27:2553 31:2040 32:92 35:31 36:827
37:3012 38:1606 39:289 40:122 41:3130 42:729
43:2000 44:140 45:6508 46:3158 47:247 49:1329
50:1084 51:320 52:1075 54:360 55:1 56:6
57:41 58:1715 59:1058 60:460 61:2070 62:2202
63:1811 64:5095 65:2194 66:4820 67:2676 68:1153
69:3453 70:1151 71:604 72:2281 74:2752 75:416
76:542 77:1719 78:1757 79:2316 80:1651 81:1431
82:1068 83:899 84:1082 85:2137 86:559 87:1544
88:983 89:2398 90:211 91:6556 92:1228 93:2375
94:2428 95:3204 96:910 97:349 98:938 99:169
100:87 101:1159 102:355 103:19831 104:3559 105:245
106:875 107:1822 108:695 109:3646 110:1642 111:1866
112:1403 113:1404 114:1154 115:1724 116:1655 117:1917
118:2215 119:1674 120:1063 121:1026 122:2365 123:1638
124:1443 125:1947 128:1197 129:693 130:520 131:1636
132:707 133:216 134:1046 135:229 136:544 137:679
138:1968 139:812 140:570 141:774 142:799 143:1004
144:908 145:504 146:1244 147:776 148:1716 149:810
150:781 151:1002 152:975 153:324 154:2412 155:969
156:1637 157:874 158:659 159:1907 160:1497 161:908
162:2659 163:775 164:1119 165:1590 166:452 167:1368
168:3261 169:870 170:4010 171:501 172:1067 173:2155
174:1000 175:869 176:2290 177:4069 178:2564 179:1291
180:2084 181:2382 182:2675 183:1059 184:1136 185:14570
186:3699 187:2439 188:2956 189:2095 190:8297 191:1420
192:10041 193:6523 194:5321 195:4036 196:2900 197:1729
198:5724 199:5951 200:7409 201:5026 202:10119 203:10112
204:4622 205:3012 206:3295 207:3265 208:3956 209:4214
210:3923 211:1983 212:3041 213:2834 214:1068 215:52
216:5982 217:2198 218:920 219:572 220:1833 221:995
222:977 223:1428
End of report
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