[menog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Dec 7 18:03:29 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 08 Dec, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 728472
Prefixes after maximum aggregation (per Origin AS): 280445
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 350812
Total ASes present in the Internet Routing Table: 62662
Prefixes per ASN: 11.63
Origin-only ASes present in the Internet Routing Table: 54096
Origin ASes announcing only one prefix: 23510
Transit ASes present in the Internet Routing Table: 8566
Transit-only ASes present in the Internet Routing Table: 254
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: 35
Number of instances of unregistered ASNs: 35
Number of 32-bit ASNs allocated by the RIRs: 25157
Number of 32-bit ASNs visible in the Routing Table: 20374
Prefixes from 32-bit ASNs in the Routing Table: 87547
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: 263
Number of addresses announced to Internet: 2837329313
Equivalent to 169 /8s, 30 /16s and 53 /24s
Percentage of available address space announced: 76.6
Percentage of allocated address space announced: 76.6
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: 242825
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 199092
Total APNIC prefixes after maximum aggregation: 56746
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 196299
Unique aggregates announced from the APNIC address blocks: 80768
APNIC Region origin ASes present in the Internet Routing Table: 9281
APNIC Prefixes per ASN: 21.15
APNIC Region origin ASes announcing only one prefix: 2609
APNIC Region transit ASes present in the Internet Routing Table: 1383
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: 4278
Number of APNIC addresses announced to Internet: 768663936
Equivalent to 45 /8s, 208 /16s and 225 /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: 215940
Total ARIN prefixes after maximum aggregation: 102700
ARIN Deaggregation factor: 2.10
Prefixes being announced from the ARIN address blocks: 215304
Unique aggregates announced from the ARIN address blocks: 103246
ARIN Region origin ASes present in the Internet Routing Table: 18310
ARIN Prefixes per ASN: 11.76
ARIN Region origin ASes announcing only one prefix: 6799
ARIN Region transit ASes present in the Internet Routing Table: 1826
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: 2516
Number of ARIN addresses announced to Internet: 1076960160
Equivalent to 64 /8s, 49 /16s and 27 /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: 198612
Total RIPE prefixes after maximum aggregation: 94905
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 195001
Unique aggregates announced from the RIPE address blocks: 115616
RIPE Region origin ASes present in the Internet Routing Table: 25689
RIPE Prefixes per ASN: 7.59
RIPE Region origin ASes announcing only one prefix: 11494
RIPE Region transit ASes present in the Internet Routing Table: 3536
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 7657
Number of RIPE addresses announced to Internet: 715823744
Equivalent to 42 /8s, 170 /16s and 154 /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: 94668
Total LACNIC prefixes after maximum aggregation: 21863
LACNIC Deaggregation factor: 4.33
Prefixes being announced from the LACNIC address blocks: 96052
Unique aggregates announced from the LACNIC address blocks: 41908
LACNIC Region origin ASes present in the Internet Routing Table: 7874
LACNIC Prefixes per ASN: 12.20
LACNIC Region origin ASes announcing only one prefix: 2187
LACNIC Region transit ASes present in the Internet Routing Table: 1486
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 26
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 5421
Number of LACNIC addresses announced to Internet: 172834560
Equivalent to 10 /8s, 77 /16s and 63 /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: 20124
Total AfriNIC prefixes after maximum aggregation: 4201
AfriNIC Deaggregation factor: 4.79
Prefixes being announced from the AfriNIC address blocks: 25553
Unique aggregates announced from the AfriNIC address blocks: 9028
AfriNIC Region origin ASes present in the Internet Routing Table: 1231
AfriNIC Prefixes per ASN: 20.76
AfriNIC Region origin ASes announcing only one prefix: 421
AfriNIC Region transit ASes present in the Internet Routing Table: 240
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 502
Number of AfriNIC addresses announced to Internet: 102644992
Equivalent to 6 /8s, 30 /16s and 61 /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 4636 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4634 515 519 TPG-INTERNET-AP TPG Telecom Limited, AU
45899 2991 1716 113 VNPT-AS-VN VNPT Corp, VN
7552 2943 1150 88 VIETEL-AS-AP Viettel Group, VN
4766 2823 11130 771 KIXS-AS-KR Korea Telecom, KR
9829 2748 1496 551 BSNL-NIB National Internet Backbone, IN
9808 2451 8699 26 CMNET-GD Guangdong Mobile Communication
9394 2390 4907 31 CTTNET China TieTong Telecommunications
17974 2262 970 54 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4755 2143 438 176 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 3507 1326 91 SHAW - Shaw Communications Inc., CA
11492 3478 224 616 CABLEONE - CABLE ONE, INC., US
22773 3302 2980 175 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 2608 5246 967 AMAZON-02 - Amazon.com, Inc., US
16625 2166 1211 1668 AKAMAI-AS - Akamai Technologies, Inc.,
18566 2149 405 108 MEGAPATH5-US - MegaPath Corporation, US
20115 2145 2748 534 CHARTER-20115 - Charter Communications,
5650 2087 3074 1462 FRONTIER-FRTR - Frontier Communications
30036 2084 349 133 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
209 2055 5080 597 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 5192 1618 134 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 3032 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2588 563 1909 AKAMAI-ASN1, US
12389 2218 2220 622 ROSTELECOM-AS, RU
34984 2045 337 535 TELLCOM-AS, TR
9121 1820 1691 17 TTNET, TR
13188 1603 100 42 TRIOLAN, UA
8402 1294 544 17 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 5455 3317 598 Uninet S.A. de C.V., MX
10620 3132 476 892 Telmex Colombia S.A., CO
11830 2678 371 71 Instituto Costarricense de Electricidad
6503 1662 449 54 Axtel, S.A.B. de C.V., MX
7303 1438 961 220 Telecom Argentina S.A., AR
28573 1187 2241 179 CLARO S.A., BR
6147 1121 377 29 Telefonica del Peru S.A.A., PE
3816 1022 510 114 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 943 145 69 Alestra, S. de R.L. de C.V., MX
13999 925 538 258 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
24863 1169 394 29 LINKdotNET-AS, EG
37611 908 107 9 Afrihost, ZA
36903 796 400 142 MT-MPLS, MA
36992 786 1411 44 ETISALAT-MISR, EG
24835 683 632 20 RAYA-AS, EG
8452 648 1728 15 TE-AS TE-AS, EG
29571 474 70 12 ORANGE-COTE-IVOIRE, CI
37492 459 470 57 ORANGE-, TN
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 5455 3317 598 Uninet S.A. de C.V., MX
12479 5192 1618 134 UNI2-AS, ES
4538 4636 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4634 515 519 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 203 20 ALJAWWALSTC-AS, SA
6327 3507 1326 91 SHAW - Shaw Communications Inc., CA
11492 3478 224 616 CABLEONE - CABLE ONE, INC., US
22773 3302 2980 175 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3132 476 892 Telmex Colombia S.A., CO
8551 3032 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 5192 5058 UNI2-AS, ES
4538 4636 4562 ERX-CERNET-BKB China Education and Research Net
7545 4634 4115 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3507 3416 SHAW - Shaw Communications Inc., CA
22773 3302 3127 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 3032 2989 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
45899 2991 2878 VNPT-AS-VN VNPT Corp, VN
11492 3478 2862 CABLEONE - CABLE ONE, INC., US
7552 2943 2855 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
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
65599 UNALLOCATED 103.14.27.0/24 134813 CYBERCOMM-BD Cyber Communicati
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
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 /8:12 /9:11 /10:36 /11:99 /12:291
/13:568 /14:1124 /15:1906 /16:13330 /17:7878 /18:13854
/19:25502 /20:39505 /21:46000 /22:90714 /23:74199 /24:411203
/25:819 /26:652 /27:631 /28:39 /29:20 /30:21
/31:4 /32:54
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 4036 5192 UNI2-AS, ES
6327 3270 3507 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
11492 2765 3478 CABLEONE - CABLE ONE, INC., US
22773 2542 3302 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2488 3032 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
18566 2044 2149 MEGAPATH5-US - MegaPath Corporation, US
11830 2023 2678 Instituto Costarricense de Electricidad y Telec
30036 1833 2084 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)
----------------------------------------------
1:1629 2:887 4:18 5:2719 6:43 7:1
8:1151 12:1875 13:300 14:1878 15:35 16:3
17:204 18:59 20:48 23:2537 24:2413 25:2
27:2539 31:2011 32:91 35:31 36:533 37:2967
38:1592 39:274 40:119 41:3156 42:730 43:1987
44:138 45:6303 46:3029 47:243 49:1323 50:1075
51:318 52:1104 54:362 55:1 56:6 57:41
58:1709 59:1074 60:462 61:2120 62:1946 63:1802
64:5067 65:2181 66:4780 67:2652 68:1155 69:3410
70:1148 71:602 72:2254 74:2714 75:400 76:527
77:1707 78:1744 79:2204 80:1610 81:1415 82:1041
83:823 84:1061 85:2144 86:555 87:1494 88:938
89:2420 90:211 91:6491 92:1261 93:2340 94:2385
95:3086 96:911 97:348 98:942 99:167 100:88
101:1160 102:315 103:19435 104:3554 105:243 106:899
107:1832 108:706 109:3442 110:1632 111:1832 112:1406
113:1333 114:1148 115:1709 116:1620 117:1892 118:2214
119:1691 120:1123 121:1022 122:2373 123:1650 124:1443
125:1954 128:1206 129:692 130:519 131:1643 132:712
133:193 134:1041 135:230 136:534 137:672 138:1940
139:764 140:568 141:759 142:799 143:1023 144:848
145:503 146:1246 147:774 148:1699 149:775 150:797
151:994 152:920 153:328 154:2235 155:971 156:1628
157:848 158:673 159:1896 160:1484 161:893 162:2649
163:765 164:1122 165:1595 166:455 167:1344 168:3154
169:869 170:4023 171:499 172:1061 173:2124 174:988
175:878 176:2204 177:4062 178:2521 179:1306 180:2091
181:2368 182:2618 183:1332 184:1149 185:14377 186:3656
187:2531 188:2983 189:2087 190:8309 191:1418 192:9946
193:6423 194:5281 195:4035 196:2974 197:1762 198:5684
199:5977 200:7450 201:5020 202:10208 203:10233 204:4623
205:3012 206:3273 207:3254 208:3937 209:4188 210:3901
211:2026 212:3085 213:2802 214:1069 215:53 216:6019
217:2186 218:871 219:579 220:1832 221:995 222:961
223:1407
End of report
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