[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Oct 27 18:02:48 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 28 Oct, 2017
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 666071
Prefixes after maximum aggregation (per Origin AS): 259795
Deaggregation factor: 2.56
Unique aggregates announced (without unneeded subnets): 322065
Total ASes present in the Internet Routing Table: 58852
Prefixes per ASN: 11.32
Origin-only ASes present in the Internet Routing Table: 50848
Origin ASes announcing only one prefix: 22395
Transit ASes present in the Internet Routing Table: 8004
Transit-only ASes present in the Internet Routing Table: 234
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: 88
Number of instances of unregistered ASNs: 88
Number of 32-bit ASNs allocated by the RIRs: 20390
Number of 32-bit ASNs visible in the Routing Table: 16223
Prefixes from 32-bit ASNs in the Routing Table: 66799
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: 385
Number of addresses announced to Internet: 2857706336
Equivalent to 170 /8s, 85 /16s and 35 /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: 219410
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 184054
Total APNIC prefixes after maximum aggregation: 52741
APNIC Deaggregation factor: 3.49
Prefixes being announced from the APNIC address blocks: 183169
Unique aggregates announced from the APNIC address blocks: 75547
APNIC Region origin ASes present in the Internet Routing Table: 8433
APNIC Prefixes per ASN: 21.72
APNIC Region origin ASes announcing only one prefix: 2350
APNIC Region transit ASes present in the Internet Routing Table: 1211
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 29
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3283
Number of APNIC addresses announced to Internet: 766194656
Equivalent to 45 /8s, 171 /16s and 51 /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: 199932
Total ARIN prefixes after maximum aggregation: 96511
ARIN Deaggregation factor: 2.07
Prefixes being announced from the ARIN address blocks: 201370
Unique aggregates announced from the ARIN address blocks: 94150
ARIN Region origin ASes present in the Internet Routing Table: 18008
ARIN Prefixes per ASN: 11.18
ARIN Region origin ASes announcing only one prefix: 6660
ARIN Region transit ASes present in the Internet Routing Table: 1778
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: 2237
Number of ARIN addresses announced to Internet: 1110357280
Equivalent to 66 /8s, 46 /16s and 181 /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: 178976
Total RIPE prefixes after maximum aggregation: 87538
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 174947
Unique aggregates announced from the RIPE address blocks: 105618
RIPE Region origin ASes present in the Internet Routing Table: 24529
RIPE Prefixes per ASN: 7.13
RIPE Region origin ASes announcing only one prefix: 11210
RIPE Region transit ASes present in the Internet Routing Table: 3493
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: 6305
Number of RIPE addresses announced to Internet: 713466496
Equivalent to 42 /8s, 134 /16s and 162 /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: 85317
Total LACNIC prefixes after maximum aggregation: 19009
LACNIC Deaggregation factor: 4.49
Prefixes being announced from the LACNIC address blocks: 86557
Unique aggregates announced from the LACNIC address blocks: 39214
LACNIC Region origin ASes present in the Internet Routing Table: 6516
LACNIC Prefixes per ASN: 13.28
LACNIC Region origin ASes announcing only one prefix: 1823
LACNIC Region transit ASes present in the Internet Routing Table: 1193
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: 4037
Number of LACNIC addresses announced to Internet: 172714208
Equivalent to 10 /8s, 75 /16s and 104 /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: 17702
Total AfriNIC prefixes after maximum aggregation: 3921
AfriNIC Deaggregation factor: 4.51
Prefixes being announced from the AfriNIC address blocks: 19643
Unique aggregates announced from the AfriNIC address blocks: 7220
AfriNIC Region origin ASes present in the Internet Routing Table: 1095
AfriNIC Prefixes per ASN: 17.94
AfriNIC Region origin ASes announcing only one prefix: 351
AfriNIC Region transit ASes present in the Internet Routing Table: 214
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: 361
Number of AfriNIC addresses announced to Internet: 94477824
Equivalent to 5 /8s, 161 /16s and 158 /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 5270 4192 76 ERX-CERNET-BKB China Education and Rese
7545 4017 408 407 TPG-INTERNET-AP TPG Telecom Limited, AU
4766 2787 11128 752 KIXS-AS-KR Korea Telecom, KR
17974 2784 900 77 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9829 2764 1499 541 BSNL-NIB National Internet Backbone, IN
9808 2398 8699 32 CMNET-GD Guangdong Mobile Communication
45899 2344 1490 147 VNPT-AS-VN VNPT Corp, VN
9394 2174 4931 27 CTTNET China TieTong Telecommunications
4755 2109 422 222 TATACOMM-AS TATA Communications formerl
7552 2084 1170 77 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 3344 1325 92 SHAW - Shaw Communications Inc., CA
22773 3306 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 2281 435 CHARTER-NET-HKY-NC - Charter Communicat
209 1947 5066 651 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
16509 1872 4035 567 AMAZON-02 - Amazon.com, Inc., US
30036 1835 328 305 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
11492 1625 237 573 CABLEONE - CABLE ONE, INC., US
701 1577 10589 626 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 2828 847 2053 AKAMAI-ASN1, US
8551 2468 378 42 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
34984 2065 331 427 TELLCOM-AS, TR
12389 1880 1679 714 ROSTELECOM-AS, RU
12479 1815 1063 72 UNI2-AS, ES
9121 1795 1691 17 TTNET, TR
13188 1602 100 67 TRIOLAN, UA
6849 1225 355 21 UKRTELNET, UA
8402 1220 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 3547 538 286 Telmex Colombia S.A., CO
8151 3222 3463 582 Uninet S.A. de C.V., MX
11830 2329 367 41 Instituto Costarricense de Electricidad
6503 1596 437 53 Axtel, S.A.B. de C.V., MX
7303 1482 1014 195 Telecom Argentina S.A., AR
6147 1272 377 27 Telefonica del Peru S.A.A., PE
3816 1031 509 103 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
28573 1001 2304 179 CLARO S.A., BR
11172 913 126 86 Alestra, S. de R.L. de C.V., MX
18881 902 1060 26 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 1218 398 48 LINKdotNET-AS, EG
37611 778 91 8 Afrihost, ZA
36903 704 354 142 MT-MPLS, MA
36992 668 1383 31 ETISALAT-MISR, EG
24835 515 850 15 RAYA-AS, EG
8452 510 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 5270 4192 76 ERX-CERNET-BKB China Education and Rese
7545 4017 408 407 TPG-INTERNET-AP TPG Telecom Limited, AU
10620 3547 538 286 Telmex Colombia S.A., CO
39891 3387 186 23 ALJAWWALSTC-AS, SA
6327 3344 1325 92 SHAW - Shaw Communications Inc., CA
22773 3306 2952 158 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
8151 3222 3463 582 Uninet S.A. de C.V., MX
20940 2828 847 2053 AKAMAI-ASN1, US
4766 2787 11128 752 KIXS-AS-KR Korea Telecom, KR
17974 2784 900 77 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 4017 3610 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3387 3364 ALJAWWALSTC-AS, SA
10620 3547 3261 Telmex Colombia S.A., CO
6327 3344 3252 SHAW - Shaw Communications Inc., CA
22773 3306 3148 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
17974 2784 2707 TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
8151 3222 2640 Uninet S.A. de C.V., MX
8551 2468 2426 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
9808 2398 2366 CMNET-GD Guangdong Mobile Communication Co.Ltd.
11830 2329 2288 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
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
65543 DOCUMENT 79.98.33.0/24 43950 SPILSBY-AS ===================
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
/13:552 /14:1053 /15:1862 /16:13397 /17:7751 /18:13618
/19:25274 /20:39127 /21:43017 /22:80637 /23:65697 /24:371409
/25:847 /26:624 /27:651 /28:35 /29:21 /30:15
/31:2 /32:27
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3138 3344 SHAW - Shaw Communications Inc., CA
39891 2946 3387 ALJAWWALSTC-AS, SA
22773 2527 3306 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2070 2175 MEGAPATH5-US - MegaPath Corporation, US
8551 1932 2468 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11830 1699 2329 Instituto Costarricense de Electricidad y Telec
30036 1607 1835 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1533 3547 Telmex Colombia S.A., CO
11492 1445 1625 CABLEONE - CABLE ONE, INC., US
34984 1369 2065 TELLCOM-AS, TR
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1573 2:840 4:18 5:2491 6:36 7:1
8:1064 9:1 12:1850 13:164 14:1712 15:29
16:3 17:176 18:76 20:60 23:2462 24:1677
25:2 27:2359 29:1 31:1941 32:87 35:21
36:424 37:2409 38:1415 39:79 40:99 41:3033
42:509 43:1928 44:85 45:3138 46:2825 47:171
49:1331 50:1019 51:19 52:872 54:353 55:1
56:4 57:43 58:1570 59:995 60:356 61:2020
62:1738 63:1845 64:4604 65:2226 66:4443 67:2303
68:1190 69:3163 70:1129 71:588 72:2093 74:2626
75:390 76:409 77:1513 78:1558 79:1948 80:1413
81:1409 82:1019 83:747 84:981 85:1943 86:468
87:1206 88:855 89:2255 90:174 91:6194 92:1033
93:2321 94:2398 95:2640 96:649 97:352 98:963
99:97 100:153 101:1306 102:1 103:16097 104:3077
105:209 106:577 107:1696 108:825 109:2870 110:1497
111:1758 112:1294 113:1260 114:1058 115:1578 116:1655
117:1841 118:2158 119:1654 120:913 121:1074 122:2435
123:1873 124:1496 125:1817 128:955 129:661 130:445
131:1499 132:603 133:193 134:809 135:227 136:382
137:498 138:1940 139:538 140:380 141:666 142:750
143:916 144:797 145:188 146:1114 147:701 148:1519
149:592 150:707 151:1005 152:720 153:301 154:928
155:751 156:695 157:744 158:598 159:1600 160:815
161:732 162:2496 163:508 164:998 165:1442 166:388
167:1333 168:3059 169:818 170:3524 171:371 172:995
173:1906 174:814 175:760 176:1870 177:4007 178:2482
179:1125 180:2205 181:2092 182:2469 183:815 184:879
185:11210 186:3315 187:2305 188:2611 189:1866 190:8161
191:1351 192:9690 193:5841 194:4734 195:3954 196:2204
197:1237 198:5536 199:5872 200:7169 201:4601 202:10340
203:9976 204:4526 205:2854 206:3021 207:3126 208:3983
209:3893 210:3935 211:2092 212:2851 213:2572 214:843
215:65 216:5696 217:2104 218:921 219:599 220:1670
221:941 222:724 223:1298
End of report
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