[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Nov 23 18:03:31 UTC 2018
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
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG 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 24 Nov, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 726367
Prefixes after maximum aggregation (per Origin AS): 279703
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 348863
Total ASes present in the Internet Routing Table: 62493
Prefixes per ASN: 11.62
Origin-only ASes present in the Internet Routing Table: 53932
Origin ASes announcing only one prefix: 23432
Transit ASes present in the Internet Routing Table: 8561
Transit-only ASes present in the Internet Routing Table: 252
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 40
Max AS path prepend of ASN ( 22394) 37
Prefixes from unregistered ASNs in the Routing Table: 34
Number of instances of unregistered ASNs: 34
Number of 32-bit ASNs allocated by the RIRs: 24970
Number of 32-bit ASNs visible in the Routing Table: 20203
Prefixes from 32-bit ASNs in the Routing Table: 86579
Number of bogon 32-bit ASNs visible in the Routing Table: 17
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 246
Number of addresses announced to Internet: 2863306529
Equivalent to 170 /8s, 170 /16s and 151 /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: 99.1
Total number of prefixes smaller than registry allocations: 242174
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 198658
Total APNIC prefixes after maximum aggregation: 56566
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 196048
Unique aggregates announced from the APNIC address blocks: 80608
APNIC Region origin ASes present in the Internet Routing Table: 9245
APNIC Prefixes per ASN: 21.21
APNIC Region origin ASes announcing only one prefix: 2600
APNIC Region transit ASes present in the Internet Routing Table: 1380
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 29
Number of APNIC region 32-bit ASNs visible in the Routing Table: 4240
Number of APNIC addresses announced to Internet: 768530944
Equivalent to 45 /8s, 206 /16s and 218 /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, 131072-139577
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: 215580
Total ARIN prefixes after maximum aggregation: 102443
ARIN Deaggregation factor: 2.10
Prefixes being announced from the ARIN address blocks: 214924
Unique aggregates announced from the ARIN address blocks: 102491
ARIN Region origin ASes present in the Internet Routing Table: 18302
ARIN Prefixes per ASN: 11.74
ARIN Region origin ASes announcing only one prefix: 6792
ARIN Region transit ASes present in the Internet Routing Table: 1831
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 40
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2508
Number of ARIN addresses announced to Internet: 1103264672
Equivalent to 65 /8s, 194 /16s and 123 /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, 393216-399260
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: 198248
Total RIPE prefixes after maximum aggregation: 94720
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 194692
Unique aggregates announced from the RIPE address blocks: 115221
RIPE Region origin ASes present in the Internet Routing Table: 25652
RIPE Prefixes per ASN: 7.59
RIPE Region origin ASes announcing only one prefix: 11488
RIPE Region transit ASes present in the Internet Routing Table: 3538
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 36
Number of RIPE region 32-bit ASNs visible in the Routing Table: 7616
Number of RIPE addresses announced to Internet: 715984000
Equivalent to 42 /8s, 173 /16s and 12 /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
196608-210331
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: 94259
Total LACNIC prefixes after maximum aggregation: 21774
LACNIC Deaggregation factor: 4.33
Prefixes being announced from the LACNIC address blocks: 95642
Unique aggregates announced from the LACNIC address blocks: 41823
LACNIC Region origin ASes present in the Internet Routing Table: 7809
LACNIC Prefixes per ASN: 12.25
LACNIC Region origin ASes announcing only one prefix: 2144
LACNIC Region transit ASes present in the Internet Routing Table: 1482
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 30
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 5353
Number of LACNIC addresses announced to Internet: 172627712
Equivalent to 10 /8s, 74 /16s and 23 /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: 19587
Total AfriNIC prefixes after maximum aggregation: 4172
AfriNIC Deaggregation factor: 4.69
Prefixes being announced from the AfriNIC address blocks: 24815
Unique aggregates announced from the AfriNIC address blocks: 8490
AfriNIC Region origin ASes present in the Internet Routing Table: 1212
AfriNIC Prefixes per ASN: 20.47
AfriNIC Region origin ASes announcing only one prefix: 408
AfriNIC Region transit ASes present in the Internet Routing Table: 239
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 486
Number of AfriNIC addresses announced to Internet: 102513408
Equivalent to 6 /8s, 28 /16s and 59 /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 4640 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4621 518 516 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 3004 1153 93 VIETEL-AS-AP Viettel Group, VN
45899 2958 1689 111 VNPT-AS-VN VNPT Corp, VN
4766 2826 11130 764 KIXS-AS-KR Korea Telecom, KR
9829 2747 1496 551 BSNL-NIB National Internet Backbone, IN
9808 2442 8699 26 CMNET-GD Guangdong Mobile Communication
9394 2431 4907 31 CTTNET China TieTong Telecommunications
17974 2247 968 51 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4755 2121 421 171 TATACOMM-AS TATA Communications formerl
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 3495 1324 84 SHAW - Shaw Communications Inc., CA
11492 3465 224 626 CABLEONE - CABLE ONE, INC., US
22773 3280 2973 166 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 2543 5241 959 AMAZON-02 - Amazon.com, Inc., US
16625 2222 1205 1659 AKAMAI-AS - Akamai Technologies, Inc.,
18566 2154 405 109 MEGAPATH5-US - MegaPath Corporation, US
20115 2144 2740 538 CHARTER-20115 - Charter Communications,
5650 2087 3074 1462 FRONTIER-FRTR - Frontier Communications
30036 2070 347 137 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
209 2047 5079 593 CENTURYLINK-US-LEGACY-QWEST - CenturyLi
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
12479 5145 1616 134 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 3039 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2579 565 1917 AKAMAI-ASN1, US
12389 2185 2194 615 ROSTELECOM-AS, RU
34984 2021 336 537 TELLCOM-AS, TR
9121 1872 1691 17 TTNET, TR
13188 1605 100 42 TRIOLAN, UA
8402 1289 544 14 CORBINA-AS OJSC "Vimpelcom", RU
6849 1218 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
8151 5440 3313 605 Uninet S.A. de C.V., MX
10620 3124 475 887 Telmex Colombia S.A., CO
11830 2675 371 71 Instituto Costarricense de Electricidad
6503 1662 449 55 Axtel, S.A.B. de C.V., MX
7303 1439 962 217 Telecom Argentina S.A., AR
28573 1190 2239 187 CLARO S.A., BR
6147 1115 377 29 Telefonica del Peru S.A.A., PE
3816 1024 513 117 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 947 145 70 Alestra, S. de R.L. de C.V., MX
13999 922 537 260 Mega Cable, S.A. de C.V., MX
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
37611 907 107 9 Afrihost, ZA
36903 796 400 142 MT-MPLS, MA
36992 783 1411 44 ETISALAT-MISR, EG
24863 735 393 22 LINKdotNET-AS, EG
24835 657 634 21 RAYA-AS, EG
8452 641 1728 15 TE-AS TE-AS, EG
37492 467 470 57 ORANGE-, TN
29571 464 70 12 ORANGE-COTE-IVOIRE, CI
37342 421 32 1 MOVITEL, MZ
15399 411 45 11 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
8151 5440 3313 605 Uninet S.A. de C.V., MX
12479 5145 1616 134 UNI2-AS, ES
4538 4640 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4621 518 516 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 203 20 ALJAWWALSTC-AS, SA
6327 3495 1324 84 SHAW - Shaw Communications Inc., CA
11492 3465 224 626 CABLEONE - CABLE ONE, INC., US
22773 3280 2973 166 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3124 475 887 Telmex Colombia S.A., CO
8551 3039 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
12479 5145 5011 UNI2-AS, ES
4538 4640 4566 ERX-CERNET-BKB China Education and Research Net
7545 4621 4105 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3495 3411 SHAW - Shaw Communications Inc., CA
22773 3280 3114 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 3039 2996 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7552 3004 2911 VIETEL-AS-AP Viettel Group, VN
45899 2958 2847 VNPT-AS-VN VNPT Corp, VN
11492 3465 2839 CABLEONE - CABLE ONE, INC., US
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
230105 UNALLOCATED 38.110.79.0/24 23015 CMC180-TOR-AS - Cambridge Merc
266842 UNALLOCATED 45.238.156.0/22 265680 HNTELCO S.A, HN
65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom
64121 UNALLOCATED 98.159.9.0/24 19555 KMI-NETWORK - Kinder Morgan, I
64121 UNALLOCATED 98.159.12.0/24 19555 KMI-NETWORK - Kinder Morgan, I
64140 UNALLOCATED 98.159.14.0/24 64121 UNKNOWN
65001 PRIVATE 109.161.56.0/24 13118 ASN-YARTELECOM PJSC Rostelecom
92937 UNALLOCATED 110.49.72.0/24 45458 SBN-AWN-AS-02-AP SBN-ISP/AWN-I
4230060012 PRIVATE 132.190.106.0/24 64673 -Private Use AS-, ZZ
4230060012 PRIVATE 132.190.232.0/24 64673 -Private Use AS-, ZZ
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
198.18.1.19/32 7497 CSTNET-AS-AP Computer Network Information Cente
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.100.7.0/24 56096 UNKNOWN
41.76.136.0/22 37500 -Reserved AS-, ZZ
41.76.140.0/22 37500 -Reserved AS-, ZZ
41.78.92.0/22 14988 BTC-GATE1, BW
41.78.180.0/23 37265 -Reserved AS-, ZZ
43.255.80.0/24 36351 SOFTLAYER - SoftLayer Technologies Inc., US
43.255.82.0/24 36351 SOFTLAYER - SoftLayer Technologies Inc., US
43.255.83.0/24 36351 SOFTLAYER - SoftLayer Technologies Inc., US
45.121.32.0/22 134356 UNKNOWN
45.124.164.0/22 38803 GTELECOM-AUSTRALIA Gtelecom-AUSTRALIA, AU
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 /8:14 /9:11 /10:36 /11:99 /12:290
/13:566 /14:1117 /15:1897 /16:13314 /17:7884 /18:13881
/19:25487 /20:39516 /21:46126 /22:90120 /23:74168 /24:409596
/25:824 /26:638 /27:645 /28:39 /29:20 /30:21
/31:4 /32:54
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 3961 5145 UNI2-AS, ES
6327 3267 3495 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
11492 2754 3465 CABLEONE - CABLE ONE, INC., US
22773 2532 3280 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2495 3039 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
18566 2048 2154 MEGAPATH5-US - MegaPath Corporation, US
11830 2020 2675 Instituto Costarricense de Electricidad y Telec
30036 1819 2070 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
5650 1761 2087 FRONTIER-FRTR - Frontier Communications of Amer
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1628 2:890 4:18 5:2720 6:43 7:1
8:1149 12:1873 13:259 14:1872 15:35 16:3
17:195 18:58 20:48 23:2564 24:2405 25:2
27:2534 31:2003 32:86 35:31 36:531 37:2939
38:1576 39:275 40:120 41:3137 42:730 43:1977
44:134 45:6125 46:3044 47:239 49:1320 50:1068
51:318 52:1109 54:362 55:1 56:6 57:41
58:1693 59:1071 60:463 61:2108 62:1877 63:1800
64:5064 65:2173 66:4778 67:2651 68:1157 69:3349
70:1152 71:600 72:2244 74:2716 75:408 76:495
77:1690 78:1749 79:2214 80:1581 81:1409 82:1057
83:819 84:1074 85:2108 86:548 87:1467 88:947
89:2400 90:210 91:6473 92:1273 93:2397 94:2395
95:3089 96:910 97:348 98:941 99:167 100:87
101:1160 102:288 103:19265 104:3608 105:242 106:890
107:1832 108:705 109:3407 110:1635 111:1827 112:1405
113:1330 114:1146 115:1705 116:1665 117:1882 118:2219
119:1669 120:1117 121:1032 122:2354 123:1695 124:1455
125:1948 128:1198 129:692 130:514 131:1631 132:717
133:193 134:1043 135:224 136:532 137:668 138:1972
139:746 140:564 141:758 142:805 143:998 144:844
145:498 146:1240 147:768 148:1696 149:790 150:769
151:985 152:897 153:327 154:2069 155:958 156:1592
157:843 158:656 159:1881 160:1460 161:883 162:2648
163:760 164:1121 165:1600 166:459 167:1342 168:3139
169:864 170:4019 171:499 172:1056 173:2105 174:987
175:865 176:2208 177:3963 178:2516 179:1309 180:2128
181:2365 182:2600 183:1320 184:1143 185:14405 186:3618
187:2494 188:2931 189:2057 190:8345 191:1380 192:9920
193:6410 194:5252 195:4034 196:2995 197:1765 198:5674
199:5982 200:7401 201:5017 202:10262 203:10188 204:4611
205:3008 206:3259 207:3218 208:3965 209:4181 210:3870
211:2022 212:3024 213:2801 214:1055 215:55 216:6046
217:2179 218:871 219:577 220:1827 221:999 222:969
223:1400
End of report
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