[cmNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Ven 14 Avr 18:02:43 UTC 2017
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, AusNOG, SANOG, PacNOG,
MENOG, SAFNOG, SdNOG, BJNOG, CaribNOG 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 15 Apr, 2017
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 643601
Prefixes after maximum aggregation (per Origin AS): 250591
Deaggregation factor: 2.57
Unique aggregates announced (without unneeded subnets): 310784
Total ASes present in the Internet Routing Table: 56864
Prefixes per ASN: 11.32
Origin-only ASes present in the Internet Routing Table: 49206
Origin ASes announcing only one prefix: 21776
Transit ASes present in the Internet Routing Table: 7658
Transit-only ASes present in the Internet Routing Table: 225
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 40
Max AS path prepend of ASN ( 55644) 36
Prefixes from unregistered ASNs in the Routing Table: 76
Numnber of instances of unregistered ASNs: 77
Number of 32-bit ASNs allocated by the RIRs: 18159
Number of 32-bit ASNs visible in the Routing Table: 14096
Prefixes from 32-bit ASNs in the Routing Table: 56945
Number of bogon 32-bit ASNs visible in the Routing Table: 20
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 425
Number of addresses announced to Internet: 2841682052
Equivalent to 169 /8s, 96 /16s and 160 /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: 98.5
Total number of prefixes smaller than registry allocations: 214701
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 175737
Total APNIC prefixes after maximum aggregation: 50338
APNIC Deaggregation factor: 3.49
Prefixes being announced from the APNIC address blocks: 174905
Unique aggregates announced from the APNIC address blocks: 72377
APNIC Region origin ASes present in the Internet Routing Table: 7994
APNIC Prefixes per ASN: 21.88
APNIC Region origin ASes announcing only one prefix: 2230
APNIC Region transit ASes present in the Internet Routing Table: 1132
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 40
Number of APNIC region 32-bit ASNs visible in the Routing Table: 2841
Number of APNIC addresses announced to Internet: 762799748
Equivalent to 45 /8s, 119 /16s and 102 /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: 196280
Total ARIN prefixes after maximum aggregation: 93864
ARIN Deaggregation factor: 2.09
Prefixes being announced from the ARIN address blocks: 198554
Unique aggregates announced from the ARIN address blocks: 91059
ARIN Region origin ASes present in the Internet Routing Table: 17876
ARIN Prefixes per ASN: 11.11
ARIN Region origin ASes announcing only one prefix: 6632
ARIN Region transit ASes present in the Internet Routing Table: 1775
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: 1900
Number of ARIN addresses announced to Internet: 1107869600
Equivalent to 66 /8s, 8 /16s and 191 /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: 174278
Total RIPE prefixes after maximum aggregation: 84780
RIPE Deaggregation factor: 2.06
Prefixes being announced from the RIPE address blocks: 169683
Unique aggregates announced from the RIPE address blocks: 101754
RIPE Region origin ASes present in the Internet Routing Table: 23917
RIPE Prefixes per ASN: 7.09
RIPE Region origin ASes announcing only one prefix: 11040
RIPE Region transit ASes present in the Internet Routing Table: 3401
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 5745
Number of RIPE addresses announced to Internet: 711115904
Equivalent to 42 /8s, 98 /16s and 196 /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: 80642
Total LACNIC prefixes after maximum aggregation: 17819
LACNIC Deaggregation factor: 4.53
Prefixes being announced from the LACNIC address blocks: 81837
Unique aggregates announced from the LACNIC address blocks: 38261
LACNIC Region origin ASes present in the Internet Routing Table: 5796
LACNIC Prefixes per ASN: 14.12
LACNIC Region origin ASes announcing only one prefix: 1556
LACNIC Region transit ASes present in the Internet Routing Table: 1057
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 31
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3308
Number of LACNIC addresses announced to Internet: 170365664
Equivalent to 10 /8s, 39 /16s and 146 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-266652 + 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: 16577
Total AfriNIC prefixes after maximum aggregation: 3728
AfriNIC Deaggregation factor: 4.45
Prefixes being announced from the AfriNIC address blocks: 18197
Unique aggregates announced from the AfriNIC address blocks: 6963
AfriNIC Region origin ASes present in the Internet Routing Table: 1028
AfriNIC Prefixes per ASN: 17.70
AfriNIC Region origin ASes announcing only one prefix: 318
AfriNIC Region transit ASes present in the Internet Routing Table: 199
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 302
Number of AfriNIC addresses announced to Internet: 89038080
Equivalent to 5 /8s, 78 /16s and 157 /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 5565 4190 74 ERX-CERNET-BKB China Education and Rese
7545 3737 391 263 TPG-INTERNET-AP TPG Telecom Limited, AU
17974 2993 903 72 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4766 2802 11150 755 KIXS-AS-KR Korea Telecom, KR
9829 2732 1499 540 BSNL-NIB National Internet Backbone, IN
9808 2198 8698 33 CMNET-GD Guangdong Mobile Communication
45899 2075 1373 114 VNPT-AS-VN VNPT Corp, VN
4755 2070 421 218 TATACOMM-AS TATA Communications formerl
9583 1574 121 542 SIFY-AS-IN Sify Limited, IN
4808 1567 1790 447 CHINA169-BJ China Unicom Beijing Provin
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
22773 3693 2969 153 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6327 3386 1333 83 SHAW - Shaw Communications Inc., CA
18566 2185 405 109 MEGAPATH5-US - MegaPath Corporation, US
6389 2068 3671 39 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
20115 1986 2107 404 CHARTER-NET-HKY-NC - Charter Communicat
209 1789 5067 636 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
16509 1771 3387 566 AMAZON-02 - Amazon.com, Inc., US
30036 1735 321 364 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
6983 1685 854 231 ITCDELTA - Earthlink, Inc., US
701 1567 10579 641 UUNET - MCI Communications Services, In
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 3334 171 18 ALJAWWALSTC-AS, SA
8551 3237 377 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 3014 1087 2135 AKAMAI-ASN1, US
9121 2699 1691 17 TTNET, TR
34984 2008 328 384 TELLCOM-AS, TR
13188 1631 99 51 TRIOLAN, UA
12479 1546 1044 52 UNI2-AS, ES
12389 1423 1307 580 ROSTELECOM-AS, RU
9198 1321 352 23 KAZTELECOM-AS, KZ
6849 1252 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
10620 3544 546 144 Telmex Colombia S.A., CO
8151 2495 3389 555 Uninet S.A. de C.V., MX
11830 1820 369 57 Instituto Costarricense de Electricidad
7303 1557 1004 247 Telecom Argentina S.A., AR
6503 1540 437 53 Axtel, S.A.B. de C.V., MX
6147 1260 377 27 Telefonica del Peru S.A.A., PE
28573 1084 2294 180 CLARO S.A., BR
3816 1021 492 183 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11664 1002 280 36 Techtel LMDS Comunicaciones Interactiva
17072 940 118 405 TOTAL PLAY TELECOMUNICACIONES SA DE CV,
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 1267 399 42 LINKdotNET-AS, EG
36903 716 360 125 MT-MPLS, MA
37611 702 67 6 Afrihost, ZA
36992 624 1375 26 ETISALAT-MISR, EG
24835 497 722 14 RAYA-AS, EG
8452 423 1730 17 TE-AS TE-AS, EG
29571 367 36 10 CITelecom-AS, CI
15399 341 35 7 WANANCHI-, KE
37492 337 307 80 ORANGE-, TN
2018 287 327 74 TENET-1, ZA
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 5565 4190 74 ERX-CERNET-BKB China Education and Rese
7545 3737 391 263 TPG-INTERNET-AP TPG Telecom Limited, AU
22773 3693 2969 153 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3544 546 144 Telmex Colombia S.A., CO
6327 3386 1333 83 SHAW - Shaw Communications Inc., CA
39891 3334 171 18 ALJAWWALSTC-AS, SA
8551 3237 377 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 3014 1087 2135 AKAMAI-ASN1, US
17974 2993 903 72 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4766 2802 11150 755 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
22773 3693 3540 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7545 3737 3474 TPG-INTERNET-AP TPG Telecom Limited, AU
10620 3544 3400 Telmex Colombia S.A., CO
39891 3334 3316 ALJAWWALSTC-AS, SA
6327 3386 3303 SHAW - Shaw Communications Inc., CA
8551 3237 3196 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
17974 2993 2921 TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
9121 2699 2682 TTNET, TR
9829 2732 2192 BSNL-NIB National Internet Backbone, IN
9808 2198 2165 CMNET-GD Guangdong Mobile Communication Co.Ltd.
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65001 PRIVATE 5.143.176.0/20 15468 KLGELECS-AS 38, Teatralnaya st
65602 UNALLOCATED 8.225.192.0/24 30372 SUNESYS2 - Sunesys, LLC, US
65001 PRIVATE 17.20.16.0/21 8034 WORLDNET5-10 - AT&T WorldNet,
65001 PRIVATE 31.172.192.0/20 15468 KLGELECS-AS 38, Teatralnaya st
65001 PRIVATE 31.172.192.0/21 15468 KLGELECS-AS 38, Teatralnaya st
65001 PRIVATE 31.172.200.0/21 15468 KLGELECS-AS 38, Teatralnaya st
65001 PRIVATE 31.172.208.0/21 15468 KLGELECS-AS 38, Teatralnaya st
65001 PRIVATE 31.172.216.0/21 15468 KLGELECS-AS 38, Teatralnaya st
65000 PRIVATE 31.219.177.0/25 8966 ETISALAT-AS P.O. Box 1150, Dub
65000 PRIVATE 31.219.177.128/25 8966 ETISALAT-AS P.O. Box 1150, Dub
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.172.176.0/21 51269 HEXATOM, FR
23.161.128.0/17 393899 -Reserved AS-, ZZ
27.100.7.0/24 56096 UNKNOWN
41.76.232.0/21 203496 AB-TELECOM, RU
41.77.248.0/21 203496 AB-TELECOM, RU
41.78.12.0/23 203496 AB-TELECOM, RU
41.78.180.0/23 37265 -Reserved AS-, ZZ
41.242.132.0/23 203496 AB-TELECOM, RU
43.224.140.0/24 38197 SUNHK-DATA-AS-AP Sun Network (Hong Kong) Limited -
43.224.141.0/24 38197 SUNHK-DATA-AS-AP Sun Network (Hong Kong) Limited -
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 /9:13 /10:36 /11:103 /12:281
/13:544 /14:1047 /15:1836 /16:13428 /17:7574 /18:13395
/19:24681 /20:38368 /21:41318 /22:76060 /23:63224 /24:360268
/25:559 /26:410 /27:323 /28:41 /29:24 /30:25
/31:1 /32:27
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3177 3386 SHAW - Shaw Communications Inc., CA
39891 2896 3334 ALJAWWALSTC-AS, SA
22773 2858 3693 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2698 3237 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
18566 2078 2185 MEGAPATH5-US - MegaPath Corporation, US
9121 1916 2699 TTNET, TR
30036 1540 1735 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1462 3544 Telmex Colombia S.A., CO
6389 1375 2068 BELLSOUTH-NET-BLK - BellSouth.net Inc., US
13188 1362 1631 TRIOLAN, UA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1601 2:822 4:26 5:2420 6:34 8:1068
12:1831 13:106 14:1795 15:20 16:2 17:116
18:154 19:1 20:56 23:2214 24:1872 25:2
27:2384 31:1893 32:89 33:5 35:20 36:389
37:2540 38:1345 39:45 40:98 41:2911 42:465
43:1913 44:68 45:2539 46:2759 47:117 49:1176
50:974 51:18 52:807 54:360 55:6 56:4
57:41 58:1655 59:1025 60:385 61:1947 62:1532
63:1917 64:4577 65:2208 66:4541 67:2274 68:1196
69:3331 70:1304 71:568 72:2154 74:2643 75:404
76:429 77:1493 78:1681 79:2062 80:1370 81:1409
82:972 83:735 84:876 85:1799 86:484 87:1152
88:805 89:2056 90:168 91:6132 92:1026 93:2391
94:2322 95:2847 96:595 97:359 98:951 99:89
100:156 101:1258 103:14323 104:2815 105:164 106:498
107:1578 108:809 109:3407 110:1334 111:1733 112:1168
113:1293 114:1029 115:1811 116:1776 117:1692 118:2131
119:1585 120:987 121:1097 122:2214 123:1811 124:1536
125:1855 128:747 129:501 130:449 131:1405 132:519
133:190 134:619 135:218 136:518 137:431 138:1894
139:445 140:380 141:538 142:739 143:933 144:770
145:170 146:1032 147:662 148:1372 149:561 150:717
151:949 152:756 153:301 154:799 155:735 156:567
157:612 158:445 159:1447 160:568 161:749 162:2478
163:524 164:787 165:1174 166:394 167:1230 168:2619
169:773 170:3105 171:293 172:999 173:1838 174:813
175:733 176:1829 177:4049 178:2480 179:1113 180:2190
181:1845 182:2300 183:982 184:862 185:9339 186:3222
187:2201 188:2598 189:1794 190:8140 191:1289 192:9384
193:5801 194:4647 195:3843 196:2027 197:1251 198:5562
199:5880 200:7374 201:4099 202:10293 203:9803 204:4481
205:2761 206:3004 207:3125 208:4018 209:3957 210:3975
211:2105 212:2829 213:2489 214:870 215:66 216:5862
217:2075 218:828 219:603 220:1659 221:905 222:763
223:1168
End of report
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