[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Apr 7 18:02:49 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 08 Apr, 2017
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 642751
Prefixes after maximum aggregation (per Origin AS): 250189
Deaggregation factor: 2.57
Unique aggregates announced (without unneeded subnets): 310009
Total ASes present in the Internet Routing Table: 56796
Prefixes per ASN: 11.32
Origin-only ASes present in the Internet Routing Table: 49177
Origin ASes announcing only one prefix: 21797
Transit ASes present in the Internet Routing Table: 7619
Transit-only ASes present in the Internet Routing Table: 223
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 41
Max AS path prepend of ASN ( 55644) 36
Prefixes from unregistered ASNs in the Routing Table: 73
Numnber of instances of unregistered ASNs: 74
Number of 32-bit ASNs allocated by the RIRs: 18044
Number of 32-bit ASNs visible in the Routing Table: 14026
Prefixes from 32-bit ASNs in the Routing Table: 56775
Number of bogon 32-bit ASNs visible in the Routing Table: 43
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 412
Number of addresses announced to Internet: 2841742212
Equivalent to 169 /8s, 97 /16s and 139 /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: 214349
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 175591
Total APNIC prefixes after maximum aggregation: 50325
APNIC Deaggregation factor: 3.49
Prefixes being announced from the APNIC address blocks: 174783
Unique aggregates announced from the APNIC address blocks: 72288
APNIC Region origin ASes present in the Internet Routing Table: 7988
APNIC Prefixes per ASN: 21.88
APNIC Region origin ASes announcing only one prefix: 2237
APNIC Region transit ASes present in the Internet Routing Table: 1126
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 41
Number of APNIC region 32-bit ASNs visible in the Routing Table: 2828
Number of APNIC addresses announced to Internet: 762664324
Equivalent to 45 /8s, 117 /16s and 85 /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: 195706
Total ARIN prefixes after maximum aggregation: 93686
ARIN Deaggregation factor: 2.09
Prefixes being announced from the ARIN address blocks: 197959
Unique aggregates announced from the ARIN address blocks: 90655
ARIN Region origin ASes present in the Internet Routing Table: 17863
ARIN Prefixes per ASN: 11.08
ARIN Region origin ASes announcing only one prefix: 6643
ARIN Region transit ASes present in the Internet Routing Table: 1761
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 34
Number of ARIN region 32-bit ASNs visible in the Routing Table: 1888
Number of ARIN addresses announced to Internet: 1108062880
Equivalent to 66 /8s, 11 /16s and 178 /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: 174069
Total RIPE prefixes after maximum aggregation: 84644
RIPE Deaggregation factor: 2.06
Prefixes being announced from the RIPE address blocks: 169509
Unique aggregates announced from the RIPE address blocks: 101592
RIPE Region origin ASes present in the Internet Routing Table: 23887
RIPE Prefixes per ASN: 7.10
RIPE Region origin ASes announcing only one prefix: 11040
RIPE Region transit ASes present in the Internet Routing Table: 3392
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: 5713
Number of RIPE addresses announced to Internet: 711008384
Equivalent to 42 /8s, 97 /16s and 32 /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: 80417
Total LACNIC prefixes after maximum aggregation: 17772
LACNIC Deaggregation factor: 4.52
Prefixes being announced from the LACNIC address blocks: 81622
Unique aggregates announced from the LACNIC address blocks: 38229
LACNIC Region origin ASes present in the Internet Routing Table: 5776
LACNIC Prefixes per ASN: 14.13
LACNIC Region origin ASes announcing only one prefix: 1555
LACNIC Region transit ASes present in the Internet Routing Table: 1050
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: 3296
Number of LACNIC addresses announced to Internet: 170352864
Equivalent to 10 /8s, 39 /16s and 96 /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: 16861
Total AfriNIC prefixes after maximum aggregation: 3702
AfriNIC Deaggregation factor: 4.55
Prefixes being announced from the AfriNIC address blocks: 18466
Unique aggregates announced from the AfriNIC address blocks: 6885
AfriNIC Region origin ASes present in the Internet Routing Table: 1032
AfriNIC Prefixes per ASN: 17.89
AfriNIC Region origin ASes announcing only one prefix: 322
AfriNIC Region transit ASes present in the Internet Routing Table: 204
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 301
Number of AfriNIC addresses announced to Internet: 89177600
Equivalent to 5 /8s, 80 /16s and 190 /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 5569 4190 74 ERX-CERNET-BKB China Education and Rese
7545 3774 391 265 TPG-INTERNET-AP TPG Telecom Limited, AU
17974 2991 903 72 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4766 2760 11150 755 KIXS-AS-KR Korea Telecom, KR
9829 2732 1499 540 BSNL-NIB National Internet Backbone, IN
9808 2195 8698 33 CMNET-GD Guangdong Mobile Communication
45899 2135 1372 112 VNPT-AS-VN VNPT Corp, VN
4755 2069 421 220 TATACOMM-AS TATA Communications formerl
9583 1573 121 541 SIFY-AS-IN Sify Limited, IN
4808 1568 1791 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 3692 2969 152 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6327 3377 1333 83 SHAW - Shaw Communications Inc., CA
18566 2186 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 1790 5067 637 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
16509 1760 3321 563 AMAZON-02 - Amazon.com, Inc., US
30036 1729 321 378 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
6983 1684 854 231 ITCDELTA - Earthlink, Inc., US
701 1571 10580 645 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 3250 377 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2968 1071 2109 AKAMAI-ASN1, US
9121 2690 1691 17 TTNET, TR
34984 2009 328 385 TELLCOM-AS, TR
13188 1643 99 51 TRIOLAN, UA
12479 1542 1043 53 UNI2-AS, ES
12389 1378 1288 571 ROSTELECOM-AS, RU
9198 1323 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 3541 546 149 Telmex Colombia S.A., CO
8151 2515 3393 551 Uninet S.A. de C.V., MX
11830 1820 369 57 Instituto Costarricense de Electricidad
7303 1555 1003 247 Telecom Argentina S.A., AR
6503 1540 437 53 Axtel, S.A.B. de C.V., MX
6147 1262 377 27 Telefonica del Peru S.A.A., PE
28573 1083 2294 182 CLARO S.A., BR
3816 1020 488 182 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11664 1001 280 35 Techtel LMDS Comunicaciones Interactiva
17072 940 118 407 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 717 360 122 MT-MPLS, MA
37611 699 67 6 Afrihost, ZA
36992 622 1375 26 ETISALAT-MISR, EG
24835 497 722 14 RAYA-AS, EG
8452 450 1730 17 TE-AS TE-AS, EG
37492 399 318 73 ORANGE-, TN
29571 367 36 10 CITelecom-AS, CI
15399 343 35 7 WANANCHI-, KE
2018 288 327 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 5569 4190 74 ERX-CERNET-BKB China Education and Rese
7545 3774 391 265 TPG-INTERNET-AP TPG Telecom Limited, AU
22773 3692 2969 152 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3541 546 149 Telmex Colombia S.A., CO
6327 3377 1333 83 SHAW - Shaw Communications Inc., CA
39891 3334 171 18 ALJAWWALSTC-AS, SA
8551 3250 377 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
17974 2991 903 72 TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940 2968 1071 2109 AKAMAI-ASN1, US
4766 2760 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 3692 3540 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7545 3774 3509 TPG-INTERNET-AP TPG Telecom Limited, AU
10620 3541 3392 Telmex Colombia S.A., CO
39891 3334 3316 ALJAWWALSTC-AS, SA
6327 3377 3294 SHAW - Shaw Communications Inc., CA
8551 3250 3209 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
17974 2991 2919 TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
9121 2690 2673 TTNET, TR
9829 2732 2192 BSNL-NIB National Internet Backbone, IN
9808 2195 2162 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 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
65001 PRIVATE 46.237.32.0/20 13118 ASN-YARTELECOM PJSC Rostelecom
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
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 -
43.224.142.0/24 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 /8:16 /9:13 /10:36 /11:103 /12:281
/13:538 /14:1044 /15:1827 /16:13232 /17:7585 /18:13377
/19:24696 /20:38388 /21:41313 /22:75924 /23:63107 /24:359886
/25:558 /26:413 /27:297 /28:40 /29:25 /30:25
/31:1 /32:26
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3168 3377 SHAW - Shaw Communications Inc., CA
39891 2896 3334 ALJAWWALSTC-AS, SA
22773 2859 3692 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2729 3250 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
18566 2079 2186 MEGAPATH5-US - MegaPath Corporation, US
9121 1906 2690 TTNET, TR
30036 1535 1729 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1461 3541 Telmex Colombia S.A., CO
6389 1375 2068 BELLSOUTH-NET-BLK - BellSouth.net Inc., US
13188 1368 1643 TRIOLAN, UA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1610 2:852 4:26 5:2437 6:34 8:1066
12:1822 13:108 14:1797 15:22 16:2 17:115
18:130 19:1 20:56 23:2200 24:1857 25:2
27:2379 31:1892 32:89 33:5 35:19 36:391
37:2547 38:1349 39:45 40:99 41:2956 42:466
43:1902 44:68 45:2497 46:2753 47:115 49:1177
50:967 51:18 52:802 54:360 55:6 56:4
57:41 58:1661 59:1020 60:387 61:1944 62:1522
63:1912 64:4580 65:2209 66:4534 67:2266 68:1191
69:3325 70:1305 71:568 72:2158 74:2631 75:404
76:427 77:1467 78:1659 79:2159 80:1368 81:1419
82:967 83:733 84:877 85:1792 86:489 87:1153
88:800 89:2050 90:168 91:6134 92:1028 93:2390
94:2344 95:2830 96:572 97:359 98:957 99:88
100:155 101:1258 103:14215 104:2817 105:171 106:499
107:1578 108:812 109:3351 110:1336 111:1736 112:1164
113:1351 114:1035 115:1805 116:1791 117:1687 118:2143
119:1585 120:967 121:1096 122:2196 123:1831 124:1538
125:1857 128:750 129:621 130:448 131:1413 132:520
133:190 134:616 135:219 136:516 137:431 138:1876
139:423 140:379 141:541 142:744 143:936 144:770
145:169 146:1029 147:667 148:1376 149:557 150:714
151:948 152:751 153:299 154:793 155:737 156:565
157:613 158:445 159:1458 160:567 161:748 162:2464
163:517 164:803 165:1166 166:387 167:1232 168:2612
169:770 170:3102 171:291 172:999 173:1822 174:809
175:733 176:1824 177:4011 178:2489 179:1129 180:2198
181:1855 182:2291 183:978 184:842 185:9264 186:3242
187:2172 188:2622 189:1782 190:8125 191:1264 192:9372
193:5784 194:4655 195:3846 196:2019 197:1271 198:5552
199:5871 200:7368 201:4131 202:10285 203:9829 204:4469
205:2759 206:3001 207:3120 208:3912 209:3958 210:3976
211:2113 212:2821 213:2473 214:862 215:66 216:5872
217:2059 218:828 219:605 220:1668 221:908 222:737
223:1167
End of report
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