[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jul 14 18:02:38 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 Jul, 2017
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 654847
Prefixes after maximum aggregation (per Origin AS): 254687
Deaggregation factor: 2.57
Unique aggregates announced (without unneeded subnets): 315827
Total ASes present in the Internet Routing Table: 57784
Prefixes per ASN: 11.33
Origin-only ASes present in the Internet Routing Table: 49994
Origin ASes announcing only one prefix: 22094
Transit ASes present in the Internet Routing Table: 7790
Transit-only ASes present in the Internet Routing Table: 227
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: 103
Numnber of instances of unregistered ASNs: 107
Number of 32-bit ASNs allocated by the RIRs: 19455
Number of 32-bit ASNs visible in the Routing Table: 15125
Prefixes from 32-bit ASNs in the Routing Table: 61489
Number of bogon 32-bit ASNs visible in the Routing Table: 64
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 449
Number of addresses announced to Internet: 2848853092
Equivalent to 169 /8s, 206 /16s and 12 /24s
Percentage of available address space announced: 76.9
Percentage of allocated address space announced: 76.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 98.7
Total number of prefixes smaller than registry allocations: 218082
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 179419
Total APNIC prefixes after maximum aggregation: 51490
APNIC Deaggregation factor: 3.48
Prefixes being announced from the APNIC address blocks: 178463
Unique aggregates announced from the APNIC address blocks: 73928
APNIC Region origin ASes present in the Internet Routing Table: 8234
APNIC Prefixes per ASN: 21.67
APNIC Region origin ASes announcing only one prefix: 2307
APNIC Region transit ASes present in the Internet Routing Table: 1169
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: 3079
Number of APNIC addresses announced to Internet: 763526756
Equivalent to 45 /8s, 130 /16s and 126 /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: 199397
Total ARIN prefixes after maximum aggregation: 94990
ARIN Deaggregation factor: 2.10
Prefixes being announced from the ARIN address blocks: 201288
Unique aggregates announced from the ARIN address blocks: 92639
ARIN Region origin ASes present in the Internet Routing Table: 17926
ARIN Prefixes per ASN: 11.23
ARIN Region origin ASes announcing only one prefix: 6646
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: 2091
Number of ARIN addresses announced to Internet: 1108935584
Equivalent to 66 /8s, 25 /16s and 3 /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: 175704
Total RIPE prefixes after maximum aggregation: 85943
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 171448
Unique aggregates announced from the RIPE address blocks: 103121
RIPE Region origin ASes present in the Internet Routing Table: 24189
RIPE Prefixes per ASN: 7.09
RIPE Region origin ASes announcing only one prefix: 11133
RIPE Region transit ASes present in the Internet Routing Table: 3406
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 5996
Number of RIPE addresses announced to Internet: 712565120
Equivalent to 42 /8s, 120 /16s and 225 /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: 83068
Total LACNIC prefixes after maximum aggregation: 18437
LACNIC Deaggregation factor: 4.51
Prefixes being announced from the LACNIC address blocks: 84305
Unique aggregates announced from the LACNIC address blocks: 38878
LACNIC Region origin ASes present in the Internet Routing Table: 6124
LACNIC Prefixes per ASN: 13.77
LACNIC Region origin ASes announcing only one prefix: 1678
LACNIC Region transit ASes present in the Internet Routing Table: 1144
Average LACNIC Region AS path length visible: 5.4
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3637
Number of LACNIC addresses announced to Internet: 170821600
Equivalent to 10 /8s, 46 /16s and 135 /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: 17154
Total AfriNIC prefixes after maximum aggregation: 3773
AfriNIC Deaggregation factor: 4.55
Prefixes being announced from the AfriNIC address blocks: 18894
Unique aggregates announced from the AfriNIC address blocks: 6930
AfriNIC Region origin ASes present in the Internet Routing Table: 1052
AfriNIC Prefixes per ASN: 17.96
AfriNIC Region origin ASes announcing only one prefix: 329
AfriNIC Region transit ASes present in the Internet Routing Table: 207
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 322
Number of AfriNIC addresses announced to Internet: 92379904
Equivalent to 5 /8s, 129 /16s and 155 /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 5549 4190 74 ERX-CERNET-BKB China Education and Rese
7545 3985 406 384 TPG-INTERNET-AP TPG Telecom Limited, AU
17974 2972 902 73 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4766 2795 11134 754 KIXS-AS-KR Korea Telecom, KR
9829 2753 1499 540 BSNL-NIB National Internet Backbone, IN
9808 2172 8699 32 CMNET-GD Guangdong Mobile Communication
4755 2090 423 223 TATACOMM-AS TATA Communications formerl
45899 2055 1428 111 VNPT-AS-VN VNPT Corp, VN
7552 1641 1104 73 VIETEL-AS-AP Viettel Corporation, VN
9498 1598 361 141 BBIL-AP BHARTI Airtel Ltd., IN
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 3814 2953 158 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6327 3436 1325 84 SHAW - Shaw Communications Inc., CA
18566 2178 405 109 MEGAPATH5-US - MegaPath Corporation, US
6389 2066 3671 39 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
20115 2011 2172 418 CHARTER-NET-HKY-NC - Charter Communicat
209 1841 5067 639 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
16509 1829 3698 599 AMAZON-02 - Amazon.com, Inc., US
30036 1803 326 292 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
6983 1694 854 231 ITCDELTA - Earthlink, Inc., US
701 1560 10559 630 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 3387 186 23 ALJAWWALSTC-AS, SA
8551 2974 377 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2927 970 2113 AKAMAI-ASN1, US
34984 2023 330 413 TELLCOM-AS, TR
9121 1967 1691 17 TTNET, TR
13188 1603 100 55 TRIOLAN, UA
12479 1590 1046 54 UNI2-AS, ES
12389 1514 1408 625 ROSTELECOM-AS, RU
6849 1225 355 21 UKRTELNET, UA
8402 1073 544 15 CORBINA-AS OJSC "Vimpelcom", RU
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 3538 543 194 Telmex Colombia S.A., CO
8151 2503 3398 585 Uninet S.A. de C.V., MX
11830 2090 369 57 Instituto Costarricense de Electricidad
6503 1554 437 53 Axtel, S.A.B. de C.V., MX
7303 1552 1012 243 Telecom Argentina S.A., AR
6147 1282 377 27 Telefonica del Peru S.A.A., PE
3816 1024 501 93 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
28573 966 2299 182 CLARO S.A., BR
11172 914 126 81 Alestra, S. de R.L. de C.V., MX
18881 894 1052 23 TELEFÔNICA BRASIL S.A, BR
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 1230 398 51 LINKdotNET-AS, EG
37611 736 91 8 Afrihost, ZA
36903 711 357 129 MT-MPLS, MA
36992 648 1375 26 ETISALAT-MISR, EG
24835 501 850 15 RAYA-AS, EG
37492 405 320 75 ORANGE-, TN
29571 401 36 10 CITelecom-AS, CI
15399 354 35 7 WANANCHI-, KE
8452 335 1730 17 TE-AS TE-AS, EG
2018 304 327 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 5549 4190 74 ERX-CERNET-BKB China Education and Rese
7545 3985 406 384 TPG-INTERNET-AP TPG Telecom Limited, AU
22773 3814 2953 158 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3538 543 194 Telmex Colombia S.A., CO
6327 3436 1325 84 SHAW - Shaw Communications Inc., CA
39891 3387 186 23 ALJAWWALSTC-AS, SA
8551 2974 377 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
17974 2972 902 73 TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940 2927 970 2113 AKAMAI-ASN1, US
4766 2795 11134 754 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 3814 3656 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7545 3985 3601 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3387 3364 ALJAWWALSTC-AS, SA
6327 3436 3352 SHAW - Shaw Communications Inc., CA
10620 3538 3344 Telmex Colombia S.A., CO
8551 2974 2934 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
17974 2972 2899 TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
9829 2753 2213 BSNL-NIB National Internet Backbone, IN
9808 2172 2140 CMNET-GD Guangdong Mobile Communication Co.Ltd.
18566 2178 2069 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
65602 UNALLOCATED 8.225.192.0/24 30372 SUNESYS2 - Sunesys, LLC, US
64525 PRIVATE 45.119.143.0/24 133275 GIGANTIC-AS Gigantic Infotel P
64525 PRIVATE 45.125.62.0/24 133275 GIGANTIC-AS Gigantic Infotel P
65530 PRIVATE 45.249.40.0/24 133720 SOFTCALLCOC-AS SOFT CALL CUST-
65010 PRIVATE 46.56.192.0/21 42772 VELCOM-AS, BY
65010 PRIVATE 46.56.224.0/21 42772 VELCOM-AS, BY
65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom
65534 PRIVATE 58.68.109.0/24 10201 DWL-AS-IN Dishnet Wireless Lim
4294901876 PRIVATE 59.101.19.0/24 2764 AAPT AAPT Limited, AU
4294902000 PRIVATE 59.101.45.0/24 2764 AAPT AAPT Limited, AU
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.192.48.0/24 134833 LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.49.0/24 134833 LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.50.0/24 134833 LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.51.0/24 134833 LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
27.100.7.0/24 56096 UNKNOWN
36.255.250.0/24 64091 UNKNOWN
41.76.232.0/21 62878 XLITT - Xlitt, US
41.77.248.0/21 62878 XLITT - Xlitt, US
41.78.12.0/23 62878 XLITT - Xlitt, US
41.78.180.0/23 37265 -Reserved AS-, ZZ
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 /11:104 /12:284
/13:552 /14:1048 /15:1847 /16:13458 /17:7643 /18:13423
/19:24663 /20:38644 /21:41266 /22:77851 /23:64618 /24:367168
/25:866 /26:605 /27:641 /28:34 /29:22 /30:18
/31:2 /32:26
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3236 3436 SHAW - Shaw Communications Inc., CA
22773 2984 3814 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
39891 2946 3387 ALJAWWALSTC-AS, SA
8551 2439 2974 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
18566 2071 2178 MEGAPATH5-US - MegaPath Corporation, US
30036 1594 1803 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
11830 1480 2090 Instituto Costarricense de Electricidad y Telec
10620 1474 3538 Telmex Colombia S.A., CO
11492 1403 1559 CABLEONE - CABLE ONE, INC., US
6389 1372 2066 BELLSOUTH-NET-BLK - BellSouth.net Inc., US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1583 2:803 4:18 5:2427 6:34 8:1052
12:1809 13:126 14:1736 15:28 16:2 17:159
18:90 20:61 23:2411 24:1889 25:2 27:2450
31:1933 32:84 33:15 35:21 36:384 37:2361
38:1332 39:67 40:98 41:3003 42:471 43:1946
44:74 45:2891 46:2800 47:158 49:1236 50:992
51:19 52:835 54:365 55:6 56:4 57:43
58:1559 59:1049 60:389 61:1959 62:1681 63:1903
64:4588 65:2222 66:4558 67:2272 68:1242 69:3357
70:1151 71:586 72:2226 74:2677 75:387 76:426
77:1545 78:1438 79:2369 80:1407 81:1389 82:1000
83:723 84:941 85:1793 86:460 87:1165 88:756
89:2116 90:172 91:6190 92:987 93:2376 94:2394
95:2678 96:630 97:352 98:1062 99:90 100:154
101:1191 103:15349 104:2995 105:180 106:508 107:1769
108:830 109:2878 110:1457 111:1724 112:1194 113:1259
114:1044 115:1724 116:1805 117:1720 118:2143 119:1607
120:1057 121:1109 122:2265 123:1822 124:1482 125:1906
128:788 129:647 130:434 131:1404 132:537 133:200
134:666 135:223 136:447 137:427 138:1939 139:491
140:399 141:610 142:774 143:914 144:804 145:179
146:1045 147:700 148:1464 149:583 150:717 151:977
152:701 153:299 154:847 155:757 156:621 157:655
158:461 159:1524 160:699 161:737 162:2515 163:539
164:877 165:1400 166:380 167:1242 168:2969 169:824
170:3428 171:319 172:1022 173:1958 174:805 175:745
176:1862 177:4041 178:2539 179:1135 180:2195 181:1894
182:2361 183:996 184:866 185:10099 186:3258 187:2214
188:2605 189:1824 190:8327 191:1352 192:9514 193:5775
194:4677 195:3921 196:2096 197:1375 198:5506 199:5893
200:7476 201:4346 202:10366 203:10014 204:4486 205:2817
206:3023 207:3134 208:3954 209:3959 210:3936 211:2121
212:2847 213:2534 214:868 215:66 216:5802 217:2111
218:865 219:598 220:1691 221:933 222:759 223:1189
End of report
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