[menog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Oct 20 18:02:40 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, LACNOG, 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 21 Oct, 2017
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 664841
Prefixes after maximum aggregation (per Origin AS): 259627
Deaggregation factor: 2.56
Unique aggregates announced (without unneeded subnets): 321831
Total ASes present in the Internet Routing Table: 58796
Prefixes per ASN: 11.31
Origin-only ASes present in the Internet Routing Table: 50787
Origin ASes announcing only one prefix: 22389
Transit ASes present in the Internet Routing Table: 8009
Transit-only ASes present in the Internet Routing Table: 235
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 30
Max AS path prepend of ASN (206156) 26
Prefixes from unregistered ASNs in the Routing Table: 87
Number of instances of unregistered ASNs: 87
Number of 32-bit ASNs allocated by the RIRs: 20331
Number of 32-bit ASNs visible in the Routing Table: 16153
Prefixes from 32-bit ASNs in the Routing Table: 66379
Number of bogon 32-bit ASNs visible in the Routing Table: 21
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 386
Number of addresses announced to Internet: 2856852064
Equivalent to 170 /8s, 72 /16s and 26 /24s
Percentage of available address space announced: 77.2
Percentage of allocated address space announced: 77.2
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: 219481
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 183270
Total APNIC prefixes after maximum aggregation: 52668
APNIC Deaggregation factor: 3.48
Prefixes being announced from the APNIC address blocks: 182323
Unique aggregates announced from the APNIC address blocks: 75594
APNIC Region origin ASes present in the Internet Routing Table: 8418
APNIC Prefixes per ASN: 21.66
APNIC Region origin ASes announcing only one prefix: 2341
APNIC Region transit ASes present in the Internet Routing Table: 1206
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 29
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3261
Number of APNIC addresses announced to Internet: 765538528
Equivalent to 45 /8s, 161 /16s and 48 /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: 199937
Total ARIN prefixes after maximum aggregation: 96532
ARIN Deaggregation factor: 2.07
Prefixes being announced from the ARIN address blocks: 201429
Unique aggregates announced from the ARIN address blocks: 94119
ARIN Region origin ASes present in the Internet Routing Table: 18008
ARIN Prefixes per ASN: 11.19
ARIN Region origin ASes announcing only one prefix: 6655
ARIN Region transit ASes present in the Internet Routing Table: 1776
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: 2232
Number of ARIN addresses announced to Internet: 1110528800
Equivalent to 66 /8s, 49 /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: 178718
Total RIPE prefixes after maximum aggregation: 87403
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 174719
Unique aggregates announced from the RIPE address blocks: 105434
RIPE Region origin ASes present in the Internet Routing Table: 24515
RIPE Prefixes per ASN: 7.13
RIPE Region origin ASes announcing only one prefix: 11223
RIPE Region transit ASes present in the Internet Routing Table: 3506
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 6286
Number of RIPE addresses announced to Internet: 713571968
Equivalent to 42 /8s, 136 /16s and 62 /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: 85162
Total LACNIC prefixes after maximum aggregation: 19053
LACNIC Deaggregation factor: 4.47
Prefixes being announced from the LACNIC address blocks: 86402
Unique aggregates announced from the LACNIC address blocks: 39199
LACNIC Region origin ASes present in the Internet Routing Table: 6493
LACNIC Prefixes per ASN: 13.31
LACNIC Region origin ASes announcing only one prefix: 1818
LACNIC Region transit ASes present in the Internet Routing Table: 1190
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 4015
Number of LACNIC addresses announced to Internet: 172256992
Equivalent to 10 /8s, 68 /16s and 110 /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: 17665
Total AfriNIC prefixes after maximum aggregation: 3897
AfriNIC Deaggregation factor: 4.53
Prefixes being announced from the AfriNIC address blocks: 19582
Unique aggregates announced from the AfriNIC address blocks: 7168
AfriNIC Region origin ASes present in the Internet Routing Table: 1090
AfriNIC Prefixes per ASN: 17.97
AfriNIC Region origin ASes announcing only one prefix: 351
AfriNIC Region transit ASes present in the Internet Routing Table: 215
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 359
Number of AfriNIC addresses announced to Internet: 94459904
Equivalent to 5 /8s, 161 /16s and 88 /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 5278 4192 76 ERX-CERNET-BKB China Education and Rese
7545 4000 408 405 TPG-INTERNET-AP TPG Telecom Limited, AU
17974 2787 900 77 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4766 2776 11126 751 KIXS-AS-KR Korea Telecom, KR
9829 2763 1499 541 BSNL-NIB National Internet Backbone, IN
9808 2360 8699 32 CMNET-GD Guangdong Mobile Communication
9394 2173 4931 27 CTTNET China TieTong Telecommunications
4755 2104 422 221 TATACOMM-AS TATA Communications formerl
45899 2097 1482 150 VNPT-AS-VN VNPT Corp, VN
7552 2074 1180 84 VIETEL-AS-AP Viettel Corporation, VN
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
6327 3359 1325 84 SHAW - Shaw Communications Inc., CA
22773 3304 2952 158 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566 2175 405 107 MEGAPATH5-US - MegaPath Corporation, US
6389 2045 3671 39 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
20115 2045 2272 429 CHARTER-NET-HKY-NC - Charter Communicat
209 1951 5067 651 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
16509 1863 4032 561 AMAZON-02 - Amazon.com, Inc., US
30036 1834 329 296 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
701 1679 10589 626 UUNET - MCI Communications Services, In
11492 1630 240 563 CABLEONE - CABLE ONE, INC., US
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 2809 839 2026 AKAMAI-ASN1, US
8551 2508 378 42 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
34984 2064 333 428 TELLCOM-AS, TR
12389 1864 1675 722 ROSTELECOM-AS, RU
12479 1796 1063 72 UNI2-AS, ES
9121 1775 1691 17 TTNET, TR
13188 1604 100 52 TRIOLAN, UA
6849 1225 355 21 UKRTELNET, UA
8402 1213 544 14 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 3545 538 287 Telmex Colombia S.A., CO
8151 3217 3467 585 Uninet S.A. de C.V., MX
11830 2327 367 41 Instituto Costarricense de Electricidad
6503 1580 437 53 Axtel, S.A.B. de C.V., MX
7303 1479 1013 195 Telecom Argentina S.A., AR
6147 1274 377 27 Telefonica del Peru S.A.A., PE
3816 1031 509 103 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
28573 999 2304 179 CLARO S.A., BR
11172 912 126 86 Alestra, S. de R.L. de C.V., MX
18881 901 1058 25 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 1209 398 48 LINKdotNET-AS, EG
37611 776 91 8 Afrihost, ZA
36903 706 355 139 MT-MPLS, MA
36992 668 1383 31 ETISALAT-MISR, EG
24835 515 850 15 RAYA-AS, EG
8452 509 1730 17 TE-AS TE-AS, EG
29571 428 36 10 CITelecom-AS, CI
37492 416 354 77 ORANGE-, TN
15399 356 35 7 WANANCHI-, KE
2018 298 327 73 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 5278 4192 76 ERX-CERNET-BKB China Education and Rese
7545 4000 408 405 TPG-INTERNET-AP TPG Telecom Limited, AU
10620 3545 538 287 Telmex Colombia S.A., CO
39891 3387 186 23 ALJAWWALSTC-AS, SA
6327 3359 1325 84 SHAW - Shaw Communications Inc., CA
22773 3304 2952 158 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
8151 3217 3467 585 Uninet S.A. de C.V., MX
20940 2809 839 2026 AKAMAI-ASN1, US
17974 2787 900 77 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4766 2776 11126 751 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 4000 3595 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3387 3364 ALJAWWALSTC-AS, SA
6327 3359 3275 SHAW - Shaw Communications Inc., CA
10620 3545 3258 Telmex Colombia S.A., CO
22773 3304 3146 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
17974 2787 2710 TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
8151 3217 2632 Uninet S.A. de C.V., MX
8551 2508 2466 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
9808 2360 2328 CMNET-GD Guangdong Mobile Communication Co.Ltd.
11830 2327 2286 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
65456 PRIVATE 31.171.126.0/23 199311 AZRT-LX Local Internet Exchang
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
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.128.14.0/23 10247 NETLINE, ZA
14.192.50.0/23 10247 NETLINE, ZA
14.192.58.0/23 10247 NETLINE, ZA
27.100.7.0/24 56096 UNKNOWN
36.255.250.0/23 10247 NETLINE, ZA
41.78.180.0/23 37265 -Reserved AS-, ZZ
43.228.144.0/22 9829 BSNL-NIB National Internet Backbone, IN
43.251.20.0/22 9381 WTT-AS-AP WTT HK Limited, HK
43.251.84.0/22 133676 PNPL-AS Precious netcom pvt ltd, IN
43.251.84.0/23 133676 PNPL-AS Precious netcom pvt ltd, IN
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 /11:106 /12:285
/13:553 /14:1050 /15:1866 /16:13398 /17:7739 /18:13627
/19:25100 /20:38989 /21:42822 /22:80447 /23:65685 /24:370901
/25:842 /26:621 /27:646 /28:35 /29:21 /30:15
/31:2 /32:27
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3157 3359 SHAW - Shaw Communications Inc., CA
39891 2946 3387 ALJAWWALSTC-AS, SA
22773 2525 3304 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2070 2175 MEGAPATH5-US - MegaPath Corporation, US
8551 1972 2508 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11830 1697 2327 Instituto Costarricense de Electricidad y Telec
30036 1609 1834 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1532 3545 Telmex Colombia S.A., CO
11492 1449 1630 CABLEONE - CABLE ONE, INC., US
34984 1367 2064 TELLCOM-AS, TR
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1566 2:838 4:18 5:2471 6:38 7:1
8:1070 9:1 12:1849 13:163 14:1709 15:29
16:3 17:175 18:76 20:59 23:2458 24:1651
25:2 27:2357 29:1 31:1933 32:89 35:21
36:418 37:2386 38:1411 39:74 40:98 41:3046
42:496 43:1927 44:85 45:3110 46:2837 47:172
49:1328 50:1015 51:19 52:868 54:353 55:2
56:4 57:43 58:1562 59:993 60:355 61:2025
62:1736 63:1848 64:4590 65:2225 66:4450 67:2311
68:1189 69:3169 70:1161 71:610 72:2114 74:2623
75:388 76:411 77:1498 78:1563 79:1950 80:1419
81:1413 82:1024 83:750 84:983 85:1931 86:467
87:1213 88:829 89:2254 90:171 91:6217 92:1032
93:2315 94:2402 95:2645 96:650 97:352 98:963
99:97 100:153 101:1303 102:1 103:15969 104:3065
105:208 106:564 107:1686 108:829 109:2902 110:1485
111:1744 112:1286 113:1253 114:1063 115:1569 116:1666
117:1837 118:2148 119:1650 120:911 121:1069 122:2429
123:1864 124:1493 125:1817 128:934 129:670 130:443
131:1499 132:602 133:193 134:794 135:227 136:359
137:497 138:1963 139:536 140:381 141:677 142:740
143:915 144:785 145:186 146:1108 147:704 148:1514
149:600 150:705 151:1007 152:722 153:301 154:923
155:750 156:695 157:739 158:595 159:1569 160:773
161:730 162:2500 163:509 164:984 165:1438 166:387
167:1310 168:3039 169:818 170:3498 171:379 172:994
173:1898 174:810 175:758 176:1867 177:3967 178:2483
179:1130 180:2212 181:2076 182:2461 183:817 184:899
185:11159 186:3272 187:2281 188:2596 189:1886 190:8150
191:1354 192:9692 193:5831 194:4735 195:3968 196:2191
197:1264 198:5534 199:5874 200:7220 201:4630 202:10331
203:9950 204:4520 205:2857 206:3010 207:3120 208:3967
209:3961 210:3932 211:2084 212:2856 213:2586 214:856
215:66 216:5723 217:2097 218:915 219:598 220:1672
221:941 222:722 223:1298
End of report
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