[menog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Mar 31 18:02:41 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 01 Apr, 2017
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 640530
Prefixes after maximum aggregation (per Origin AS): 249983
Deaggregation factor: 2.56
Unique aggregates announced (without unneeded subnets): 309623
Total ASes present in the Internet Routing Table: 56735
Prefixes per ASN: 11.29
Origin-only ASes present in the Internet Routing Table: 49101
Origin ASes announcing only one prefix: 21741
Transit ASes present in the Internet Routing Table: 7634
Transit-only ASes present in the Internet Routing Table: 218
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: 76
Numnber of instances of unregistered ASNs: 77
Number of 32-bit ASNs allocated by the RIRs: 17957
Number of 32-bit ASNs visible in the Routing Table: 13960
Prefixes from 32-bit ASNs in the Routing Table: 56752
Number of bogon 32-bit ASNs visible in the Routing Table: 46
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 407
Number of addresses announced to Internet: 2840219780
Equivalent to 169 /8s, 74 /16s and 80 /24s
Percentage of available address space announced: 76.7
Percentage of allocated address space announced: 76.7
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: 212596
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 175385
Total APNIC prefixes after maximum aggregation: 50122
APNIC Deaggregation factor: 3.50
Prefixes being announced from the APNIC address blocks: 174735
Unique aggregates announced from the APNIC address blocks: 72195
APNIC Region origin ASes present in the Internet Routing Table: 7980
APNIC Prefixes per ASN: 21.90
APNIC Region origin ASes announcing only one prefix: 2239
APNIC Region transit ASes present in the Internet Routing Table: 1126
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 41
Number of APNIC region 32-bit ASNs visible in the Routing Table: 2813
Number of APNIC addresses announced to Internet: 762402692
Equivalent to 45 /8s, 113 /16s and 87 /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: 195495
Total ARIN prefixes after maximum aggregation: 93596
ARIN Deaggregation factor: 2.09
Prefixes being announced from the ARIN address blocks: 197776
Unique aggregates announced from the ARIN address blocks: 90567
ARIN Region origin ASes present in the Internet Routing Table: 17861
ARIN Prefixes per ASN: 11.07
ARIN Region origin ASes announcing only one prefix: 6625
ARIN Region transit ASes present in the Internet Routing Table: 1767
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: 1874
Number of ARIN addresses announced to Internet: 1108038560
Equivalent to 66 /8s, 11 /16s and 83 /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: 172535
Total RIPE prefixes after maximum aggregation: 84680
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 167831
Unique aggregates announced from the RIPE address blocks: 101427
RIPE Region origin ASes present in the Internet Routing Table: 23855
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 11015
RIPE Region transit ASes present in the Internet Routing Table: 3399
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: 5692
Number of RIPE addresses announced to Internet: 710893696
Equivalent to 42 /8s, 95 /16s and 96 /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: 80218
Total LACNIC prefixes after maximum aggregation: 17811
LACNIC Deaggregation factor: 4.50
Prefixes being announced from the LACNIC address blocks: 81413
Unique aggregates announced from the LACNIC address blocks: 38215
LACNIC Region origin ASes present in the Internet Routing Table: 5758
LACNIC Prefixes per ASN: 14.14
LACNIC Region origin ASes announcing only one prefix: 1536
LACNIC Region transit ASes present in the Internet Routing Table: 1051
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: 3279
Number of LACNIC addresses announced to Internet: 170316512
Equivalent to 10 /8s, 38 /16s and 210 /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: 16786
Total AfriNIC prefixes after maximum aggregation: 3711
AfriNIC Deaggregation factor: 4.52
Prefixes being announced from the AfriNIC address blocks: 18368
Unique aggregates announced from the AfriNIC address blocks: 6864
AfriNIC Region origin ASes present in the Internet Routing Table: 1033
AfriNIC Prefixes per ASN: 17.78
AfriNIC Region origin ASes announcing only one prefix: 326
AfriNIC Region transit ASes present in the Internet Routing Table: 201
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 302
Number of AfriNIC addresses announced to Internet: 88060160
Equivalent to 5 /8s, 63 /16s and 177 /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 5566 4190 74 ERX-CERNET-BKB China Education and Rese
7545 3778 391 262 TPG-INTERNET-AP TPG Telecom Limited, AU
17974 2992 904 73 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4766 2762 11150 756 KIXS-AS-KR Korea Telecom, KR
9829 2729 1499 540 BSNL-NIB National Internet Backbone, IN
9808 2271 8649 45 CMNET-GD Guangdong Mobile Communication
4755 2071 421 220 TATACOMM-AS TATA Communications formerl
45899 1947 1332 113 VNPT-AS-VN VNPT Corp, VN
9583 1573 121 541 SIFY-AS-IN Sify Limited, IN
4808 1566 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 3687 2969 152 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6327 3348 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 1982 2094 408 CHARTER-NET-HKY-NC - Charter Communicat
16509 1792 3357 573 AMAZON-02 - Amazon.com, Inc., US
209 1789 5067 640 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
30036 1728 321 392 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
6983 1684 854 231 ITCDELTA - Earthlink, Inc., US
701 1573 10582 647 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
20940 3056 1125 2171 AKAMAI-ASN1, US
9121 2685 1691 17 TTNET, TR
34984 2005 328 384 TELLCOM-AS, TR
8551 1649 377 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
13188 1645 99 59 TRIOLAN, UA
12479 1548 1043 53 UNI2-AS, ES
12389 1379 1288 572 ROSTELECOM-AS, RU
9198 1281 352 23 KAZTELECOM-AS, KZ
6849 1265 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 545 174 Telmex Colombia S.A., CO
8151 2516 3389 549 Uninet S.A. de C.V., MX
11830 1820 369 57 Instituto Costarricense de Electricidad
7303 1555 1003 248 Telecom Argentina S.A., AR
6503 1541 437 53 Axtel, S.A.B. de C.V., MX
6147 1214 377 27 Telefonica del Peru S.A.A., PE
28573 1066 2293 185 CLARO S.A., BR
3816 1020 488 182 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11664 988 280 35 Techtel LMDS Comunicaciones Interactiva
11172 925 126 79 Alestra, S. de R.L. 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 1313 399 43 LINKdotNET-AS, EG
36903 717 360 127 MT-MPLS, MA
37611 700 67 6 Afrihost, ZA
36992 598 1375 26 ETISALAT-MISR, EG
24835 497 722 14 RAYA-AS, EG
8452 438 1474 16 TE-AS TE-AS, EG
37492 399 318 73 ORANGE-, TN
29571 368 36 10 CITelecom-AS, CI
15399 341 35 7 WANANCHI-, KE
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 5566 4190 74 ERX-CERNET-BKB China Education and Rese
7545 3778 391 262 TPG-INTERNET-AP TPG Telecom Limited, AU
22773 3687 2969 152 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3541 545 174 Telmex Colombia S.A., CO
6327 3348 1333 83 SHAW - Shaw Communications Inc., CA
39891 3334 171 18 ALJAWWALSTC-AS, SA
20940 3056 1125 2171 AKAMAI-ASN1, US
17974 2992 904 73 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4766 2762 11150 756 KIXS-AS-KR Korea Telecom, KR
9829 2729 1499 540 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
22773 3687 3535 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7545 3778 3516 TPG-INTERNET-AP TPG Telecom Limited, AU
10620 3541 3367 Telmex Colombia S.A., CO
39891 3334 3316 ALJAWWALSTC-AS, SA
6327 3348 3265 SHAW - Shaw Communications Inc., CA
17974 2992 2919 TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
9121 2685 2668 TTNET, TR
9808 2271 2226 CMNET-GD Guangdong Mobile Communication Co.Ltd.
9829 2729 2189 BSNL-NIB National Internet Backbone, IN
18566 2186 2077 MEGAPATH5-US - MegaPath Corporation, 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
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
65555 UNALLOCATED 37.142.172.0/24 21450 MIRS-AS, IL
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.157.128.0/17 393899 -Reserved AS-, ZZ
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 /8:16 /9:13 /10:36 /11:103 /12:280
/13:538 /14:1051 /15:1827 /16:13229 /17:7571 /18:13365
/19:24622 /20:38269 /21:41237 /22:75790 /23:63097 /24:358116
/25:551 /26:413 /27:291 /28:39 /29:25 /30:24
/31:1 /32:26
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3139 3348 SHAW - Shaw Communications Inc., CA
39891 2896 3334 ALJAWWALSTC-AS, SA
22773 2854 3687 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2079 2186 MEGAPATH5-US - MegaPath Corporation, US
9121 1901 2685 TTNET, TR
30036 1534 1728 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1458 3541 Telmex Colombia S.A., CO
6389 1375 2068 BELLSOUTH-NET-BLK - BellSouth.net Inc., US
13188 1369 1645 TRIOLAN, UA
6983 1323 1684 ITCDELTA - Earthlink, Inc., US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1617 2:842 4:26 5:2479 6:34 8:1062
12:1819 13:107 14:1797 15:22 16:2 17:113
18:129 19:1 20:55 23:2179 24:1852 25:2
27:2380 31:1897 32:89 33:5 34:1 35:19
36:384 37:2563 38:1358 39:45 40:99 41:2924
42:461 43:1909 44:67 45:2487 46:2754 47:114
49:1207 50:964 51:18 52:799 54:360 55:7
56:4 57:41 58:1657 59:1019 60:388 61:1950
62:1524 63:1920 64:4611 65:2206 66:4534 67:2272
68:1192 69:3329 70:1306 71:570 72:2162 74:2636
75:405 76:425 77:1467 78:1656 79:1317 80:1361
81:1415 82:968 83:726 84:877 85:1787 86:487
87:1150 88:798 89:2068 90:167 91:6142 92:1024
93:2389 94:2373 95:2828 96:565 97:359 98:952
99:85 100:155 101:1282 103:14176 104:2799 105:163
106:494 107:1561 108:814 109:2603 110:1285 111:1733
112:1169 113:1342 114:1033 115:1799 116:1786 117:1687
118:2073 119:1581 120:956 121:1099 122:2181 123:1845
124:1536 125:1852 128:735 129:619 130:419 131:1415
132:517 133:190 134:606 135:219 136:518 137:429
138:1886 139:422 140:377 141:540 142:737 143:917
144:769 145:170 146:1029 147:663 148:1376 149:552
150:705 151:948 152:748 153:314 154:783 155:982
156:564 157:610 158:442 159:1458 160:568 161:751
162:2460 163:517 164:798 165:1169 166:390 167:1233
168:2600 169:771 170:3052 171:289 172:995 173:1819
174:808 175:740 176:1803 177:4060 178:2490 179:1120
180:2203 181:1895 182:2293 183:978 184:835 185:9232
186:3270 187:2199 188:2535 189:1779 190:8041 191:1271
192:9377 193:5773 194:4657 195:3844 196:1986 197:1263
198:5549 199:5876 200:7353 201:4099 202:10293 203:9840
204:4479 205:2758 206:3002 207:3112 208:3912 209:3954
210:3960 211:2113 212:2806 213:2506 214:864 215:64
216:5872 217:2039 218:840 219:612 220:1714 221:910
222:735 223:1166
End of report
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