Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Nov 24 18:02:59 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, CaribNOG
TZNOG, 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 25 Nov, 2017
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 671033
Prefixes after maximum aggregation (per Origin AS): 261644
Deaggregation factor: 2.56
Unique aggregates announced (without unneeded subnets): 324996
Total ASes present in the Internet Routing Table: 59154
Prefixes per ASN: 11.34
Origin-only ASes present in the Internet Routing Table: 51075
Origin ASes announcing only one prefix: 22520
Transit ASes present in the Internet Routing Table: 8079
Transit-only ASes present in the Internet Routing Table: 236
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 34
Max AS path prepend of ASN ( 55644) 31
Prefixes from unregistered ASNs in the Routing Table: 93
Number of instances of unregistered ASNs: 93
Number of 32-bit ASNs allocated by the RIRs: 20684
Number of 32-bit ASNs visible in the Routing Table: 16548
Prefixes from 32-bit ASNs in the Routing Table: 67751
Number of bogon 32-bit ASNs visible in the Routing Table: 12
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 361
Number of addresses announced to Internet: 2860612768
Equivalent to 170 /8s, 129 /16s and 124 /24s
Percentage of available address space announced: 77.3
Percentage of allocated address space announced: 77.3
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: 222029
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 184121
Total APNIC prefixes after maximum aggregation: 52958
APNIC Deaggregation factor: 3.48
Prefixes being announced from the APNIC address blocks: 183299
Unique aggregates announced from the APNIC address blocks: 76534
APNIC Region origin ASes present in the Internet Routing Table: 8500
APNIC Prefixes per ASN: 21.56
APNIC Region origin ASes announcing only one prefix: 2392
APNIC Region transit ASes present in the Internet Routing Table: 1230
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 34
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3364
Number of APNIC addresses announced to Internet: 766844704
Equivalent to 45 /8s, 181 /16s and 31 /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: 201230
Total ARIN prefixes after maximum aggregation: 96918
ARIN Deaggregation factor: 2.08
Prefixes being announced from the ARIN address blocks: 202591
Unique aggregates announced from the ARIN address blocks: 94796
ARIN Region origin ASes present in the Internet Routing Table: 18033
ARIN Prefixes per ASN: 11.23
ARIN Region origin ASes announcing only one prefix: 6687
ARIN Region transit ASes present in the Internet Routing Table: 1780
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: 2268
Number of ARIN addresses announced to Internet: 1112570912
Equivalent to 66 /8s, 80 /16s and 124 /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: 181159
Total RIPE prefixes after maximum aggregation: 88503
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 177056
Unique aggregates announced from the RIPE address blocks: 106800
RIPE Region origin ASes present in the Internet Routing Table: 24646
RIPE Prefixes per ASN: 7.18
RIPE Region origin ASes announcing only one prefix: 11258
RIPE Region transit ASes present in the Internet Routing Table: 3503
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: 6415
Number of RIPE addresses announced to Internet: 713358720
Equivalent to 42 /8s, 132 /16s and 253 /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: 86384
Total LACNIC prefixes after maximum aggregation: 19288
LACNIC Deaggregation factor: 4.48
Prefixes being announced from the LACNIC address blocks: 87654
Unique aggregates announced from the LACNIC address blocks: 39340
LACNIC Region origin ASes present in the Internet Routing Table: 6608
LACNIC Prefixes per ASN: 13.26
LACNIC Region origin ASes announcing only one prefix: 1824
LACNIC Region transit ASes present in the Internet Routing Table: 1224
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 4128
Number of LACNIC addresses announced to Internet: 172452320
Equivalent to 10 /8s, 71 /16s and 105 /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: 18044
Total AfriNIC prefixes after maximum aggregation: 3909
AfriNIC Deaggregation factor: 4.62
Prefixes being announced from the AfriNIC address blocks: 20072
Unique aggregates announced from the AfriNIC address blocks: 7236
AfriNIC Region origin ASes present in the Internet Routing Table: 1100
AfriNIC Prefixes per ASN: 18.25
AfriNIC Region origin ASes announcing only one prefix: 358
AfriNIC Region transit ASes present in the Internet Routing Table: 218
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: 373
Number of AfriNIC addresses announced to Internet: 94937856
Equivalent to 5 /8s, 168 /16s and 163 /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 5279 4192 76 ERX-CERNET-BKB China Education and Rese
7545 4062 410 408 TPG-INTERNET-AP TPG Telecom Limited, AU
4766 2789 11128 758 KIXS-AS-KR Korea Telecom, KR
17974 2777 916 76 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9829 2759 1499 540 BSNL-NIB National Internet Backbone, IN
45899 2369 1505 156 VNPT-AS-VN VNPT Corp, VN
7552 2296 1158 60 VIETEL-AS-AP Viettel Group, VN
9394 2169 4931 26 CTTNET China TieTong Telecommunications
4755 2083 422 212 TATACOMM-AS TATA Communications formerl
9808 2068 8699 32 CMNET-GD Guangdong Mobile Communication
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 3348 1323 87 SHAW - Shaw Communications Inc., CA
22773 3308 2952 154 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566 2171 405 107 MEGAPATH5-US - MegaPath Corporation, US
20115 2054 2288 444 CHARTER-NET-HKY-NC - Charter Communicat
6389 2013 3671 39 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
16509 1943 4076 585 AMAZON-02 - Amazon.com, Inc., US
209 1929 5062 645 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
30036 1855 331 259 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
11492 1674 235 575 CABLEONE - CABLE ONE, INC., US
701 1547 10589 625 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 3519 186 23 ALJAWWALSTC-AS, SA
20940 2849 851 2056 AKAMAI-ASN1, US
8551 2489 378 42 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
34984 2064 330 426 TELLCOM-AS, TR
12389 2012 1736 737 ROSTELECOM-AS, RU
12479 1917 1066 102 UNI2-AS, ES
9121 1853 1691 17 TTNET, TR
13188 1604 100 52 TRIOLAN, UA
6849 1227 355 21 UKRTELNET, UA
8402 1226 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 3553 538 297 Telmex Colombia S.A., CO
8151 3446 3425 581 Uninet S.A. de C.V., MX
11830 2645 370 66 Instituto Costarricense de Electricidad
6503 1622 437 53 Axtel, S.A.B. de C.V., MX
7303 1495 1021 196 Telecom Argentina S.A., AR
6147 1220 377 27 Telefonica del Peru S.A.A., PE
3816 1034 512 103 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
28573 999 2258 193 CLARO S.A., BR
11172 914 126 86 Alestra, S. de R.L. de C.V., MX
18881 903 1063 28 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 1210 398 48 LINKdotNET-AS, EG
37611 802 91 8 Afrihost, ZA
36903 736 370 138 MT-MPLS, MA
36992 678 1383 31 ETISALAT-MISR, EG
8452 524 1730 17 TE-AS TE-AS, EG
24835 515 850 15 RAYA-AS, EG
29571 431 36 10 CITelecom-AS, CI
37492 425 367 77 ORANGE-, TN
37342 355 32 1 MOVITEL, MZ
15399 349 35 7 WANANCHI-, KE
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 5279 4192 76 ERX-CERNET-BKB China Education and Rese
7545 4062 410 408 TPG-INTERNET-AP TPG Telecom Limited, AU
10620 3553 538 297 Telmex Colombia S.A., CO
39891 3519 186 23 ALJAWWALSTC-AS, SA
8151 3446 3425 581 Uninet S.A. de C.V., MX
6327 3348 1323 87 SHAW - Shaw Communications Inc., CA
22773 3308 2952 154 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
20940 2849 851 2056 AKAMAI-ASN1, US
4766 2789 11128 758 KIXS-AS-KR Korea Telecom, KR
17974 2777 916 76 TELKOMNET-AS2-AP PT Telekomunikasi Indo
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 4062 3654 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3519 3496 ALJAWWALSTC-AS, SA
6327 3348 3261 SHAW - Shaw Communications Inc., CA
10620 3553 3256 Telmex Colombia S.A., CO
22773 3308 3154 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8151 3446 2865 Uninet S.A. de C.V., MX
17974 2777 2701 TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
11830 2645 2579 Instituto Costarricense de Electricidad y Telec
8551 2489 2447 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7552 2296 2236 VIETEL-AS-AP Viettel Group, VN
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65501 PRIVATE 5.141.112.0/22 6828 USI, RU
65602 UNALLOCATED 8.225.192.0/24 30372 SUNESYS2 - Sunesys, LLC, US
64710 PRIVATE 39.134.26.0/23 56042 CMNET-SHANXI-AP China Mobile c
64710 PRIVATE 39.134.28.0/23 56042 CMNET-SHANXI-AP China Mobile c
64710 PRIVATE 39.134.30.0/24 56042 CMNET-SHANXI-AP China Mobile c
64710 PRIVATE 39.134.31.0/24 56042 CMNET-SHANXI-AP China Mobile c
64710 PRIVATE 39.137.20.0/23 56042 CMNET-SHANXI-AP China Mobile c
64710 PRIVATE 39.137.22.0/24 56042 CMNET-SHANXI-AP China Mobile c
65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom
64513 PRIVATE 62.150.101.0/24 9155 QNET Kuwait, KW
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.128.12.0/22 55427 BROADLINK-AS-AP Broadlink Nepal, NP
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
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
/13:550 /14:1060 /15:1856 /16:13336 /17:7754 /18:13617
/19:25184 /20:38959 /21:43744 /22:81587 /23:66378 /24:374339
/25:840 /26:622 /27:652 /28:35 /29:21 /30:15
/31:2 /32:27
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3141 3348 SHAW - Shaw Communications Inc., CA
39891 2946 3519 ALJAWWALSTC-AS, SA
22773 2544 3308 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2066 2171 MEGAPATH5-US - MegaPath Corporation, US
11830 1989 2645 Instituto Costarricense de Electricidad y Telec
8551 1953 2489 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 1622 1855 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1544 3553 Telmex Colombia S.A., CO
11492 1493 1674 CABLEONE - CABLE ONE, INC., US
34984 1371 2064 TELLCOM-AS, TR
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1565 2:816 4:18 5:2598 6:38 8:1079
9:1 12:1853 13:181 14:1741 15:29 16:3
17:184 18:76 20:52 21:1 23:2407 24:1938
25:2 27:2367 31:1957 32:87 35:21 36:455
37:2431 38:1439 39:87 40:100 41:3048 42:519
43:1895 44:82 45:3307 46:2835 47:183 49:1369
50:1040 51:34 52:903 54:354 55:5 56:4
57:42 58:1573 59:994 60:367 61:1986 62:1776
63:1838 64:4596 65:2242 66:4488 67:2299 68:1193
69:3173 70:1131 71:588 72:2098 74:2681 75:389
76:415 77:1527 78:1569 79:1886 80:1442 81:1411
82:1036 83:753 84:1000 85:1960 86:481 87:1230
88:887 89:2298 90:174 91:6244 92:1029 93:2345
94:2410 95:2675 96:667 97:351 98:963 99:103
100:154 101:1482 102:1 103:16186 104:3185 105:208
106:566 107:1774 108:815 109:2942 110:1505 111:1732
112:1270 113:1353 114:1074 115:1599 116:1705 117:1642
118:2159 119:1650 120:713 121:1073 122:2408 123:1901
124:1482 125:1824 128:934 129:680 130:445 131:1544
132:600 133:193 134:895 135:227 136:442 137:464
138:1961 139:539 140:381 141:677 142:753 143:913
144:801 145:190 146:1136 147:694 148:1562 149:622
150:708 151:1003 152:729 153:302 154:952 155:740
156:731 157:752 158:599 159:1607 160:814 161:734
162:2534 163:529 164:931 165:1471 166:392 167:1349
168:3103 169:821 170:3541 171:399 172:1011 173:1893
174:826 175:774 176:1895 177:3989 178:2497 179:1160
180:2243 181:2106 182:2422 183:807 184:887 185:11535
186:3299 187:2276 188:2593 189:1894 190:8190 191:1322
192:9715 193:5862 194:4762 195:3979 196:2247 197:1423
198:5548 199:5876 200:7206 201:4867 202:10401 203:9959
204:4569 205:2871 206:3072 207:3096 208:3984 209:3879
210:3939 211:2051 212:2886 213:2586 214:850 215:65
216:5711 217:2096 218:871 219:602 220:1678 221:938
222:718 223:1202
End of report
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