[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jun 9 18:02:55 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 10 Jun, 2017
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 650823
Prefixes after maximum aggregation (per Origin AS): 253584
Deaggregation factor: 2.57
Unique aggregates announced (without unneeded subnets): 314080
Total ASes present in the Internet Routing Table: 57448
Prefixes per ASN: 11.33
Origin-only ASes present in the Internet Routing Table: 49725
Origin ASes announcing only one prefix: 21980
Transit ASes present in the Internet Routing Table: 7723
Transit-only ASes present in the Internet Routing Table: 224
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 45
Max AS path prepend of ASN ( 55644) 41
Prefixes from unregistered ASNs in the Routing Table: 54
Numnber of instances of unregistered ASNs: 58
Number of 32-bit ASNs allocated by the RIRs: 18953
Number of 32-bit ASNs visible in the Routing Table: 14709
Prefixes from 32-bit ASNs in the Routing Table: 59673
Number of bogon 32-bit ASNs visible in the Routing Table: 65
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 369
Number of addresses announced to Internet: 2848626788
Equivalent to 169 /8s, 202 /16s and 152 /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: 98.6
Total number of prefixes smaller than registry allocations: 217103
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 178366
Total APNIC prefixes after maximum aggregation: 51373
APNIC Deaggregation factor: 3.47
Prefixes being announced from the APNIC address blocks: 177587
Unique aggregates announced from the APNIC address blocks: 73377
APNIC Region origin ASes present in the Internet Routing Table: 8152
APNIC Prefixes per ASN: 21.78
APNIC Region origin ASes announcing only one prefix: 2278
APNIC Region transit ASes present in the Internet Routing Table: 1159
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 45
Number of APNIC region 32-bit ASNs visible in the Routing Table: 2980
Number of APNIC addresses announced to Internet: 763641700
Equivalent to 45 /8s, 132 /16s and 63 /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: 197893
Total ARIN prefixes after maximum aggregation: 94548
ARIN Deaggregation factor: 2.09
Prefixes being announced from the ARIN address blocks: 199901
Unique aggregates announced from the ARIN address blocks: 91948
ARIN Region origin ASes present in the Internet Routing Table: 17891
ARIN Prefixes per ASN: 11.17
ARIN Region origin ASes announcing only one prefix: 6615
ARIN Region transit ASes present in the Internet Routing Table: 1765
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: 2011
Number of ARIN addresses announced to Internet: 1110673568
Equivalent to 66 /8s, 51 /16s and 136 /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: 175540
Total RIPE prefixes after maximum aggregation: 85525
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 171131
Unique aggregates announced from the RIPE address blocks: 102774
RIPE Region origin ASes present in the Internet Routing Table: 24103
RIPE Prefixes per ASN: 7.10
RIPE Region origin ASes announcing only one prefix: 11101
RIPE Region transit ASes present in the Internet Routing Table: 3402
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: 5887
Number of RIPE addresses announced to Internet: 711837824
Equivalent to 42 /8s, 109 /16s and 200 /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: 81750
Total LACNIC prefixes after maximum aggregation: 18287
LACNIC Deaggregation factor: 4.47
Prefixes being announced from the LACNIC address blocks: 83002
Unique aggregates announced from the LACNIC address blocks: 38736
LACNIC Region origin ASes present in the Internet Routing Table: 6001
LACNIC Prefixes per ASN: 13.83
LACNIC Region origin ASes announcing only one prefix: 1653
LACNIC Region transit ASes present in the Internet Routing Table: 1113
Average LACNIC Region AS path length visible: 5.4
Max LACNIC Region AS path length visible: 32
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3514
Number of LACNIC addresses announced to Internet: 170730208
Equivalent to 10 /8s, 45 /16s and 34 /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: 17174
Total AfriNIC prefixes after maximum aggregation: 3805
AfriNIC Deaggregation factor: 4.51
Prefixes being announced from the AfriNIC address blocks: 18833
Unique aggregates announced from the AfriNIC address blocks: 6915
AfriNIC Region origin ASes present in the Internet Routing Table: 1048
AfriNIC Prefixes per ASN: 17.97
AfriNIC Region origin ASes announcing only one prefix: 332
AfriNIC Region transit ASes present in the Internet Routing Table: 198
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 317
Number of AfriNIC addresses announced to Internet: 91322368
Equivalent to 5 /8s, 113 /16s and 120 /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 5545 4190 74 ERX-CERNET-BKB China Education and Rese
7545 3942 403 376 TPG-INTERNET-AP TPG Telecom Limited, AU
17974 2975 902 73 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4766 2783 11137 760 KIXS-AS-KR Korea Telecom, KR
9829 2747 1499 540 BSNL-NIB National Internet Backbone, IN
9808 2216 8699 34 CMNET-GD Guangdong Mobile Communication
4755 2090 422 222 TATACOMM-AS TATA Communications formerl
45899 1984 1392 107 VNPT-AS-VN VNPT Corp, VN
7552 1620 1100 66 VIETEL-AS-AP Viettel Corporation, VN
9498 1582 360 138 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 3822 2969 154 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6327 3400 1333 80 SHAW - Shaw Communications Inc., CA
18566 2128 405 109 MEGAPATH5-US - MegaPath Corporation, US
6389 2066 3671 39 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
20115 2009 2172 413 CHARTER-NET-HKY-NC - Charter Communicat
209 1816 5069 639 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
16509 1810 3441 585 AMAZON-02 - Amazon.com, Inc., US
30036 1781 324 315 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
6983 1696 854 232 ITCDELTA - Earthlink, Inc., US
701 1562 10578 636 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 3338 187 22 ALJAWWALSTC-AS, SA
8551 3208 377 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2915 989 2097 AKAMAI-ASN1, US
34984 2020 328 390 TELLCOM-AS, TR
9121 1977 1691 17 TTNET, TR
12479 1598 1044 52 UNI2-AS, ES
13188 1597 99 55 TRIOLAN, UA
12389 1524 1408 625 ROSTELECOM-AS, RU
9198 1325 352 25 KAZTELECOM-AS, KZ
6849 1225 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 3545 545 153 Telmex Colombia S.A., CO
8151 2543 3404 573 Uninet S.A. de C.V., MX
11830 2084 369 57 Instituto Costarricense de Electricidad
7303 1568 1010 247 Telecom Argentina S.A., AR
6503 1538 437 53 Axtel, S.A.B. de C.V., MX
6147 1267 377 27 Telefonica del Peru S.A.A., PE
3816 1013 494 186 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
28573 998 2300 175 CLARO S.A., BR
11172 906 126 81 Alestra, S. de R.L. de C.V., MX
18881 895 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 1260 398 48 LINKdotNET-AS, EG
37611 715 67 7 Afrihost, ZA
36903 713 358 123 MT-MPLS, MA
36992 627 1375 26 ETISALAT-MISR, EG
24835 495 850 15 RAYA-AS, EG
29571 419 36 10 CITelecom-AS, CI
37492 407 320 75 ORANGE-, TN
8452 388 1730 17 TE-AS TE-AS, EG
15399 353 35 7 WANANCHI-, KE
2018 298 327 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 5545 4190 74 ERX-CERNET-BKB China Education and Rese
7545 3942 403 376 TPG-INTERNET-AP TPG Telecom Limited, AU
22773 3822 2969 154 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3545 545 153 Telmex Colombia S.A., CO
6327 3400 1333 80 SHAW - Shaw Communications Inc., CA
39891 3338 187 22 ALJAWWALSTC-AS, SA
8551 3208 377 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
17974 2975 902 73 TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940 2915 989 2097 AKAMAI-ASN1, US
4766 2783 11137 760 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 3822 3668 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7545 3942 3566 TPG-INTERNET-AP TPG Telecom Limited, AU
10620 3545 3392 Telmex Colombia S.A., CO
6327 3400 3320 SHAW - Shaw Communications Inc., CA
39891 3338 3316 ALJAWWALSTC-AS, SA
8551 3208 3168 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
17974 2975 2902 TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
9829 2747 2207 BSNL-NIB National Internet Backbone, IN
9808 2216 2182 CMNET-GD Guangdong Mobile Communication Co.Ltd.
11830 2084 2027 Instituto Costarricense de Electricidad y Telec
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
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
66255 UNALLOCATED 45.6.244.0/22 16735 ALGAR TELECOM S/A, BR
66255 UNALLOCATED 45.6.245.0/24 16735 ALGAR TELECOM S/A, BR
66255 UNALLOCATED 45.6.246.0/24 16735 ALGAR TELECOM S/A, BR
66255 UNALLOCATED 45.6.247.0/24 16735 ALGAR TELECOM S/A, BR
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
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
36.255.248.0/24 64091 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
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 /12:280
/13:546 /14:1045 /15:1850 /16:13492 /17:7626 /18:13428
/19:24669 /20:38590 /21:41145 /22:77218 /23:64196 /24:364348
/25:835 /26:612 /27:643 /28:43 /29:32 /30:26
/31:3 /32:28
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3193 3400 SHAW - Shaw Communications Inc., CA
22773 2971 3822 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
39891 2898 3338 ALJAWWALSTC-AS, SA
8551 2673 3208 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
18566 2021 2128 MEGAPATH5-US - MegaPath Corporation, US
30036 1577 1781 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
11830 1474 2084 Instituto Costarricense de Electricidad y Telec
10620 1471 3545 Telmex Colombia S.A., CO
6389 1373 2066 BELLSOUTH-NET-BLK - BellSouth.net Inc., US
9121 1369 1977 TTNET, TR
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1604 2:841 4:18 5:2429 6:34 8:1038
12:1828 13:122 14:1771 15:27 16:2 17:123
18:121 20:57 23:2329 24:1828 25:2 27:2426
31:1904 32:83 33:9 35:20 36:414 37:2589
38:1325 39:42 40:98 41:2991 42:470 43:1935
44:72 45:2755 46:2780 47:122 49:1214 50:983
51:18 52:824 54:360 55:5 56:4 57:42
58:1600 59:1047 60:391 61:1947 62:1595 63:1913
64:4549 65:2208 66:4509 67:2247 68:1229 69:3361
70:1148 71:584 72:2179 74:2690 75:387 76:430
77:1469 78:1448 79:2503 80:1402 81:1386 82:995
83:720 84:877 85:1751 86:483 87:1156 88:766
89:2065 90:176 91:6204 92:1027 93:2389 94:2373
95:2758 96:622 97:352 98:1054 99:89 100:154
101:1270 103:14931 104:2913 105:191 106:483 107:1651
108:818 109:2964 110:1427 111:1727 112:1187 113:1237
114:1034 115:1697 116:1788 117:1717 118:2164 119:1590
120:1031 121:1111 122:2257 123:1817 124:1515 125:1891
128:780 129:645 130:440 131:1389 132:530 133:199
134:647 135:221 136:455 137:436 138:1947 139:486
140:394 141:568 142:759 143:923 144:800 145:181
146:1032 147:672 148:1433 149:580 150:713 151:976
152:797 153:291 154:814 155:746 156:591 157:636
158:452 159:1464 160:661 161:745 162:2521 163:530
164:792 165:1225 166:385 167:1254 168:2658 169:777
170:3363 171:318 172:1020 173:1908 174:800 175:748
176:1848 177:4038 178:2500 179:1162 180:2214 181:1886
182:2361 183:995 184:864 185:9850 186:3101 187:2170
188:2698 189:1831 190:8184 191:1310 192:9433 193:5786
194:4651 195:3891 196:2114 197:1281 198:5494 199:5883
200:7435 201:4326 202:10366 203:9994 204:4480 205:2812
206:3025 207:3167 208:3981 209:4021 210:3968 211:2147
212:2854 213:2484 214:880 215:67 216:5738 217:2102
218:851 219:600 220:1649 221:912 222:761 223:1178
End of report
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