[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Nov 30 18:03:41 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 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 01 Dec, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 726637
Prefixes after maximum aggregation (per Origin AS): 280070
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 349897
Total ASes present in the Internet Routing Table: 62579
Prefixes per ASN: 11.61
Origin-only ASes present in the Internet Routing Table: 53999
Origin ASes announcing only one prefix: 23452
Transit ASes present in the Internet Routing Table: 8580
Transit-only ASes present in the Internet Routing Table: 256
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 43
Max AS path prepend of ASN ( 22394) 40
Prefixes from unregistered ASNs in the Routing Table: 36
Number of instances of unregistered ASNs: 36
Number of 32-bit ASNs allocated by the RIRs: 25055
Number of 32-bit ASNs visible in the Routing Table: 20291
Prefixes from 32-bit ASNs in the Routing Table: 87059
Number of bogon 32-bit ASNs visible in the Routing Table: 18
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 255
Number of addresses announced to Internet: 2854067617
Equivalent to 170 /8s, 29 /16s and 157 /24s
Percentage of available address space announced: 77.1
Percentage of allocated address space announced: 77.1
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: 242499
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 198357
Total APNIC prefixes after maximum aggregation: 56634
APNIC Deaggregation factor: 3.50
Prefixes being announced from the APNIC address blocks: 195618
Unique aggregates announced from the APNIC address blocks: 80721
APNIC Region origin ASes present in the Internet Routing Table: 9250
APNIC Prefixes per ASN: 21.15
APNIC Region origin ASes announcing only one prefix: 2597
APNIC Region transit ASes present in the Internet Routing Table: 1385
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: 4254
Number of APNIC addresses announced to Internet: 768787328
Equivalent to 45 /8s, 210 /16s and 195 /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: 215529
Total ARIN prefixes after maximum aggregation: 102534
ARIN Deaggregation factor: 2.10
Prefixes being announced from the ARIN address blocks: 214899
Unique aggregates announced from the ARIN address blocks: 102746
ARIN Region origin ASes present in the Internet Routing Table: 18307
ARIN Prefixes per ASN: 11.74
ARIN Region origin ASes announcing only one prefix: 6802
ARIN Region transit ASes present in the Internet Routing Table: 1830
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 43
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2512
Number of ARIN addresses announced to Internet: 1093425568
Equivalent to 65 /8s, 44 /16s and 89 /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: 198658
Total RIPE prefixes after maximum aggregation: 94883
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 195035
Unique aggregates announced from the RIPE address blocks: 115624
RIPE Region origin ASes present in the Internet Routing Table: 25667
RIPE Prefixes per ASN: 7.60
RIPE Region origin ASes announcing only one prefix: 11478
RIPE Region transit ASes present in the Internet Routing Table: 3543
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 36
Number of RIPE region 32-bit ASNs visible in the Routing Table: 7636
Number of RIPE addresses announced to Internet: 715962752
Equivalent to 42 /8s, 172 /16s and 185 /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: 94374
Total LACNIC prefixes after maximum aggregation: 21796
LACNIC Deaggregation factor: 4.33
Prefixes being announced from the LACNIC address blocks: 95750
Unique aggregates announced from the LACNIC address blocks: 41854
LACNIC Region origin ASes present in the Internet Routing Table: 7850
LACNIC Prefixes per ASN: 12.20
LACNIC Region origin ASes announcing only one prefix: 2162
LACNIC Region transit ASes present in the Internet Routing Table: 1483
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 30
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 5392
Number of LACNIC addresses announced to Internet: 172999680
Equivalent to 10 /8s, 79 /16s and 196 /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: 19682
Total AfriNIC prefixes after maximum aggregation: 4193
AfriNIC Deaggregation factor: 4.69
Prefixes being announced from the AfriNIC address blocks: 25080
Unique aggregates announced from the AfriNIC address blocks: 8714
AfriNIC Region origin ASes present in the Internet Routing Table: 1226
AfriNIC Prefixes per ASN: 20.46
AfriNIC Region origin ASes announcing only one prefix: 413
AfriNIC Region transit ASes present in the Internet Routing Table: 241
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 497
Number of AfriNIC addresses announced to Internet: 102497536
Equivalent to 6 /8s, 27 /16s and 253 /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
7545 4620 515 518 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4256 4192 74 ERX-CERNET-BKB China Education and Rese
7552 2983 1150 88 VIETEL-AS-AP Viettel Group, VN
45899 2980 1705 113 VNPT-AS-VN VNPT Corp, VN
4766 2832 11131 767 KIXS-AS-KR Korea Telecom, KR
9829 2746 1496 551 BSNL-NIB National Internet Backbone, IN
9808 2449 8699 26 CMNET-GD Guangdong Mobile Communication
9394 2435 4907 30 CTTNET China TieTong Telecommunications
17974 2257 970 54 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4755 2135 421 171 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 3501 1324 84 SHAW - Shaw Communications Inc., CA
11492 3471 224 617 CABLEONE - CABLE ONE, INC., US
22773 3293 2977 172 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 2609 5245 961 AMAZON-02 - Amazon.com, Inc., US
16625 2200 1212 1668 AKAMAI-AS - Akamai Technologies, Inc.,
18566 2152 405 108 MEGAPATH5-US - MegaPath Corporation, US
20115 2145 2746 535 CHARTER-20115 - Charter Communications,
5650 2087 3074 1462 FRONTIER-FRTR - Frontier Communications
30036 2074 347 131 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
209 2053 5080 598 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 5175 1617 133 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 3035 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2587 563 1913 AKAMAI-ASN1, US
12389 2191 2195 613 ROSTELECOM-AS, RU
34984 2049 337 536 TELLCOM-AS, TR
9121 1811 1691 17 TTNET, TR
13188 1605 100 42 TRIOLAN, UA
8402 1297 544 17 CORBINA-AS OJSC "Vimpelcom", RU
6849 1218 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 5444 3313 605 Uninet S.A. de C.V., MX
10620 3123 475 888 Telmex Colombia S.A., CO
11830 2676 371 71 Instituto Costarricense de Electricidad
6503 1661 449 54 Axtel, S.A.B. de C.V., MX
7303 1437 961 219 Telecom Argentina S.A., AR
28573 1182 2240 185 CLARO S.A., BR
6147 1117 377 29 Telefonica del Peru S.A.A., PE
3816 1023 511 115 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 943 145 69 Alestra, S. de R.L. de C.V., MX
13999 924 537 256 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
37611 908 107 9 Afrihost, ZA
36903 796 400 142 MT-MPLS, MA
36992 787 1411 44 ETISALAT-MISR, EG
24863 739 393 22 LINKdotNET-AS, EG
24835 683 632 20 RAYA-AS, EG
8452 644 1728 15 TE-AS TE-AS, EG
29571 474 70 12 ORANGE-COTE-IVOIRE, CI
37492 458 470 57 ORANGE-, TN
37342 421 32 1 MOVITEL, MZ
15399 411 45 11 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
8151 5444 3313 605 Uninet S.A. de C.V., MX
12479 5175 1617 133 UNI2-AS, ES
7545 4620 515 518 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4256 4192 74 ERX-CERNET-BKB China Education and Rese
39891 3778 203 20 ALJAWWALSTC-AS, SA
6327 3501 1324 84 SHAW - Shaw Communications Inc., CA
11492 3471 224 617 CABLEONE - CABLE ONE, INC., US
22773 3293 2977 172 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3123 475 888 Telmex Colombia S.A., CO
8551 3035 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
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 5175 5042 UNI2-AS, ES
4538 4256 4182 ERX-CERNET-BKB China Education and Research Net
7545 4620 4102 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3501 3417 SHAW - Shaw Communications Inc., CA
22773 3293 3121 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 3035 2992 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7552 2983 2895 VIETEL-AS-AP Viettel Group, VN
45899 2980 2867 VNPT-AS-VN VNPT Corp, VN
11492 3471 2854 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
65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom
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
65599 UNALLOCATED 103.14.27.0/24 134813 CYBERCOMM-BD Cyber Communicati
65001 PRIVATE 109.161.56.0/24 13118 ASN-YARTELECOM PJSC Rostelecom
92937 UNALLOCATED 110.49.72.0/24 45458 SBN-AWN-AS-02-AP SBN-ISP/AWN-I
4230060012 PRIVATE 132.190.106.0/24 64673 -Private Use AS-, ZZ
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
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
43.255.83.0/24 36351 SOFTLAYER - SoftLayer Technologies Inc., US
45.121.32.0/22 134356 UNKNOWN
45.124.164.0/22 38803 GTELECOM-AUSTRALIA Gtelecom-AUSTRALIA, AU
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 /8:13 /9:11 /10:36 /11:99 /12:291
/13:568 /14:1123 /15:1909 /16:13325 /17:7892 /18:13873
/19:25494 /20:39471 /21:46106 /22:90181 /23:73931 /24:410046
/25:827 /26:660 /27:643 /28:39 /29:20 /30:21
/31:4 /32:54
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 3995 5175 UNI2-AS, ES
6327 3271 3501 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
11492 2759 3471 CABLEONE - CABLE ONE, INC., US
22773 2536 3293 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2491 3035 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
18566 2047 2152 MEGAPATH5-US - MegaPath Corporation, US
11830 2021 2676 Instituto Costarricense de Electricidad y Telec
30036 1823 2074 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
5650 1761 2087 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)
----------------------------------------------
1:1631 2:888 4:18 5:2736 6:43 7:1
8:1151 12:1869 13:296 14:1875 15:35 16:4
17:198 18:58 20:48 23:2529 24:2412 25:2
27:2530 31:2002 32:88 35:31 36:532 37:2972
38:1600 39:274 40:119 41:3144 42:730 43:1990
44:136 45:6239 46:3052 47:241 49:1320 50:1071
51:318 52:1109 54:362 55:1 56:6 57:41
58:1707 59:1075 60:462 61:2121 62:1904 63:1802
64:5059 65:2178 66:4782 67:2651 68:1154 69:3358
70:1150 71:601 72:2248 74:2714 75:399 76:526
77:1702 78:1744 79:2219 80:1588 81:1411 82:1056
83:825 84:1062 85:2132 86:558 87:1492 88:923
89:2399 90:211 91:6469 92:1277 93:2394 94:2458
95:3082 96:910 97:348 98:941 99:166 100:87
101:1159 102:293 103:19308 104:3579 105:227 106:903
107:1832 108:706 109:3434 110:1627 111:1830 112:1408
113:1333 114:1142 115:1707 116:1599 117:1871 118:2216
119:1671 120:1121 121:1033 122:2364 123:1675 124:1444
125:1930 128:1209 129:690 130:517 131:1644 132:717
133:193 134:1042 135:224 136:535 137:672 138:1949
139:757 140:564 141:757 142:802 143:1009 144:852
145:497 146:1240 147:761 148:1684 149:728 150:768
151:996 152:919 153:327 154:2199 155:971 156:1631
157:848 158:670 159:1888 160:1473 161:886 162:2648
163:763 164:1118 165:1589 166:462 167:1346 168:3168
169:866 170:4009 171:500 172:1058 173:2106 174:989
175:871 176:2234 177:3996 178:2522 179:1307 180:2108
181:2357 182:2607 183:1332 184:1145 185:14407 186:3639
187:2497 188:2936 189:2055 190:8293 191:1363 192:9926
193:6404 194:5265 195:4049 196:2995 197:1761 198:5683
199:5977 200:7444 201:5014 202:10193 203:10212 204:4566
205:3019 206:3224 207:3195 208:3955 209:4139 210:3876
211:2025 212:3067 213:2800 214:1059 215:55 216:6029
217:2177 218:871 219:506 220:1833 221:997 222:955
223:1406
End of report
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