[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Sep 1 18:02:44 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, SANOG, PacNOG, SAFNOG
MENOG, BJNOG, SDNOG, CMNOG, IRNOG 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 02 Sep, 2017
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 659343
Prefixes after maximum aggregation (per Origin AS): 257157
Deaggregation factor: 2.56
Unique aggregates announced (without unneeded subnets): 319791
Total ASes present in the Internet Routing Table: 58257
Prefixes per ASN: 11.32
Origin-only ASes present in the Internet Routing Table: 50359
Origin ASes announcing only one prefix: 22214
Transit ASes present in the Internet Routing Table: 7898
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: 56
Max AS path prepend of ASN ( 55644) 51
Prefixes from unregistered ASNs in the Routing Table: 60
Number of instances of unregistered ASNs: 63
Number of 32-bit ASNs allocated by the RIRs: 19864
Number of 32-bit ASNs visible in the Routing Table: 15650
Prefixes from 32-bit ASNs in the Routing Table: 63952
Number of bogon 32-bit ASNs visible in the Routing Table: 25
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 372
Number of addresses announced to Internet: 2853141856
Equivalent to 170 /8s, 15 /16s and 125 /24s
Percentage of available address space announced: 77.1
Percentage of allocated address space announced: 77.1
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: 219558
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 179400
Total APNIC prefixes after maximum aggregation: 51947
APNIC Deaggregation factor: 3.45
Prefixes being announced from the APNIC address blocks: 178284
Unique aggregates announced from the APNIC address blocks: 74914
APNIC Region origin ASes present in the Internet Routing Table: 8310
APNIC Prefixes per ASN: 21.45
APNIC Region origin ASes announcing only one prefix: 2314
APNIC Region transit ASes present in the Internet Routing Table: 1181
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 56
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3170
Number of APNIC addresses announced to Internet: 764936416
Equivalent to 45 /8s, 152 /16s and 0 /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: 201333
Total ARIN prefixes after maximum aggregation: 95798
ARIN Deaggregation factor: 2.10
Prefixes being announced from the ARIN address blocks: 203102
Unique aggregates announced from the ARIN address blocks: 93704
ARIN Region origin ASes present in the Internet Routing Table: 17971
ARIN Prefixes per ASN: 11.30
ARIN Region origin ASes announcing only one prefix: 6641
ARIN Region transit ASes present in the Internet Routing Table: 1772
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: 2166
Number of ARIN addresses announced to Internet: 1110269216
Equivalent to 66 /8s, 45 /16s and 93 /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: 176865
Total RIPE prefixes after maximum aggregation: 86656
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 172744
Unique aggregates announced from the RIPE address blocks: 104339
RIPE Region origin ASes present in the Internet Routing Table: 24342
RIPE Prefixes per ASN: 7.10
RIPE Region origin ASes announcing only one prefix: 11172
RIPE Region transit ASes present in the Internet Routing Table: 3459
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 6142
Number of RIPE addresses announced to Internet: 713157760
Equivalent to 42 /8s, 129 /16s and 236 /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: 84795
Total LACNIC prefixes after maximum aggregation: 18896
LACNIC Deaggregation factor: 4.49
Prefixes being announced from the LACNIC address blocks: 86057
Unique aggregates announced from the LACNIC address blocks: 39541
LACNIC Region origin ASes present in the Internet Routing Table: 6328
LACNIC Prefixes per ASN: 13.60
LACNIC Region origin ASes announcing only one prefix: 1755
LACNIC Region transit ASes present in the Internet Routing Table: 1176
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 36
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3839
Number of LACNIC addresses announced to Internet: 171204576
Equivalent to 10 /8s, 52 /16s and 95 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-268700 + 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: 16888
Total AfriNIC prefixes after maximum aggregation: 3807
AfriNIC Deaggregation factor: 4.44
Prefixes being announced from the AfriNIC address blocks: 18784
Unique aggregates announced from the AfriNIC address blocks: 7013
AfriNIC Region origin ASes present in the Internet Routing Table: 1049
AfriNIC Prefixes per ASN: 17.91
AfriNIC Region origin ASes announcing only one prefix: 331
AfriNIC Region transit ASes present in the Internet Routing Table: 202
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 22
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 333
Number of AfriNIC addresses announced to Internet: 93091584
Equivalent to 5 /8s, 140 /16s and 119 /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 5408 4194 88 ERX-CERNET-BKB China Education and Rese
7545 3901 406 384 TPG-INTERNET-AP TPG Telecom Limited, AU
17974 2961 902 73 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4766 2839 11126 752 KIXS-AS-KR Korea Telecom, KR
9829 2757 1499 541 BSNL-NIB National Internet Backbone, IN
9808 2351 8699 32 CMNET-GD Guangdong Mobile Communication
4755 2101 423 221 TATACOMM-AS TATA Communications formerl
45899 2101 1468 116 VNPT-AS-VN VNPT Corp, VN
7552 1659 1105 70 VIETEL-AS-AP Viettel Corporation, VN
9498 1623 361 143 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 3643 2952 158 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6327 3463 1341 87 SHAW - Shaw Communications Inc., CA
18566 2204 405 109 MEGAPATH5-US - MegaPath Corporation, US
6389 2047 3671 39 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
20115 2032 2237 434 CHARTER-NET-HKY-NC - Charter Communicat
209 1898 5066 641 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
30036 1826 329 285 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
16509 1823 3960 527 AMAZON-02 - Amazon.com, Inc., US
6983 1695 854 229 ITCDELTA - Earthlink, Inc., US
701 1673 10557 629 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
20940 2977 958 2132 AKAMAI-ASN1, US
8551 2496 377 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
34984 2060 333 425 TELLCOM-AS, TR
9121 1801 1691 17 TTNET, TR
12389 1704 1614 669 ROSTELECOM-AS, RU
12479 1676 1052 60 UNI2-AS, ES
13188 1602 100 55 TRIOLAN, UA
6849 1225 355 21 UKRTELNET, UA
8402 1192 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 3557 542 210 Telmex Colombia S.A., CO
8151 2980 3416 579 Uninet S.A. de C.V., MX
11830 2108 370 65 Instituto Costarricense de Electricidad
6503 1609 437 53 Axtel, S.A.B. de C.V., MX
7303 1564 1021 247 Telecom Argentina S.A., AR
6147 1252 377 27 Telefonica del Peru S.A.A., PE
3816 1025 504 94 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
28573 960 2284 185 CLARO S.A., BR
11172 918 126 86 Alestra, S. de R.L. de C.V., MX
18881 898 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 1173 398 48 LINKdotNET-AS, EG
37611 755 91 8 Afrihost, ZA
36903 711 357 130 MT-MPLS, MA
36992 655 1383 29 ETISALAT-MISR, EG
24835 451 850 15 RAYA-AS, EG
29571 421 36 10 CITelecom-AS, CI
37492 410 354 77 ORANGE-, TN
15399 361 35 7 WANANCHI-, KE
2018 300 327 74 TENET-1, ZA
23889 293 103 14 MauritiusTelecom, MU
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 5408 4194 88 ERX-CERNET-BKB China Education and Rese
7545 3901 406 384 TPG-INTERNET-AP TPG Telecom Limited, AU
22773 3643 2952 158 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3557 542 210 Telmex Colombia S.A., CO
6327 3463 1341 87 SHAW - Shaw Communications Inc., CA
39891 3387 186 23 ALJAWWALSTC-AS, SA
8151 2980 3416 579 Uninet S.A. de C.V., MX
20940 2977 958 2132 AKAMAI-ASN1, US
17974 2961 902 73 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4766 2839 11126 752 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
7545 3901 3517 TPG-INTERNET-AP TPG Telecom Limited, AU
22773 3643 3485 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
6327 3463 3376 SHAW - Shaw Communications Inc., CA
39891 3387 3364 ALJAWWALSTC-AS, SA
10620 3557 3347 Telmex Colombia S.A., CO
17974 2961 2888 TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
8551 2496 2455 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
8151 2980 2401 Uninet S.A. de C.V., MX
9808 2351 2319 CMNET-GD Guangdong Mobile Communication Co.Ltd.
9829 2757 2216 BSNL-NIB National Internet Backbone, IN
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-
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
64513 PRIVATE 62.150.101.0/24 9155 QNET Kuwait, KW
290012147 UNALLOCATED 63.65.43.0/24 7046 RFC2270-UUNET-CUSTOMER - MCI C
65538 DOCUMENT 64.27.253.0/24 1273 CW Vodafone Group PLC, GB
65346 PRIVATE 94.50.36.0/22 31094 TTKNET Tyumen, Russia, RU
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
23.226.112.0/20 62788 UNKNOWN
27.100.7.0/24 56096 UNKNOWN
41.76.232.0/21 62878 XLITT - Xlitt, US
41.77.248.0/21 62878 XLITT - Xlitt, US
41.78.180.0/23 37265 -Reserved AS-, ZZ
41.79.12.0/22 37306 -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 /14:1046 /15:1862 /16:13418 /17:7658 /18:13439
/19:24735 /20:38788 /21:41733 /22:78989 /23:65026 /24:369192
/25:853 /26:632 /27:647 /28:39 /29:39 /30:214
/31:2 /32:27
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3260 3463 SHAW - Shaw Communications Inc., CA
39891 2946 3387 ALJAWWALSTC-AS, SA
22773 2841 3643 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2088 2204 MEGAPATH5-US - MegaPath Corporation, US
8551 1961 2496 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 1608 1826 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1501 3557 Telmex Colombia S.A., CO
11830 1498 2108 Instituto Costarricense de Electricidad y Telec
11492 1415 1593 CABLEONE - CABLE ONE, INC., US
6389 1358 2047 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)
----------------------------------------------
1:1561 2:830 4:18 5:2466 6:31 7:1
8:1052 12:1851 13:144 14:1713 15:28 16:2
17:195 18:90 20:60 23:2444 24:1938 25:2
27:2361 29:1 31:1927 32:84 33:20 35:21
36:416 37:2351 38:1363 39:69 40:98 41:2869
42:462 43:1965 44:79 45:3006 46:2798 47:165
49:1253 50:994 51:19 52:817 54:365 55:4
56:4 57:43 58:1592 59:1007 60:311 61:1923
62:1698 63:1911 64:4681 65:2207 66:4575 67:2284
68:1227 69:3391 70:1169 71:604 72:2169 74:2715
75:398 76:427 77:1504 78:1464 79:1907 80:1401
81:1392 82:1004 83:730 84:966 85:1826 86:466
87:1194 88:762 89:2185 90:165 91:6212 92:1009
93:2400 94:2331 95:2673 96:641 97:355 98:1005
99:98 100:153 101:1446 102:1 103:15771 104:3033
105:185 106:552 107:1770 108:823 109:2908 110:1459
111:1745 112:1244 113:1272 114:1074 115:1587 116:1653
117:1761 118:2156 119:1654 120:736 121:1059 122:2347
123:1833 124:1484 125:1783 128:862 129:672 130:442
131:1472 132:578 133:194 134:686 135:225 136:452
137:489 138:1906 139:517 140:380 141:645 142:753
143:878 144:807 145:184 146:1090 147:698 148:1499
149:584 150:713 151:985 152:734 153:296 154:844
155:757 156:673 157:670 158:481 159:1558 160:748
161:746 162:2513 163:511 164:959 165:1425 166:383
167:1296 168:3008 169:841 170:3503 171:366 172:996
173:2000 174:782 175:759 176:1893 177:3944 178:2577
179:1115 180:2197 181:1987 182:2435 183:768 184:864
185:10659 186:3274 187:2192 188:2580 189:1809 190:8341
191:1318 192:9610 193:5805 194:4723 195:3917 196:2135
197:1306 198:5533 199:5894 200:7602 201:4365 202:10342
203:9941 204:4545 205:2853 206:3076 207:3159 208:4026
209:4006 210:3971 211:2059 212:2862 213:2527 214:847
215:66 216:5898 217:2116 218:903 219:601 220:1678
221:917 222:742 223:1206
End of report
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