[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jan 4 18:03:51 UTC 2019
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 05 Jan, 2019
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 732608
Prefixes after maximum aggregation (per Origin AS): 281600
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 352811
Total ASes present in the Internet Routing Table: 62818
Prefixes per ASN: 11.66
Origin-only ASes present in the Internet Routing Table: 54157
Origin ASes announcing only one prefix: 23519
Transit ASes present in the Internet Routing Table: 8661
Transit-only ASes present in the Internet Routing Table: 267
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 31
Max AS path prepend of ASN ( 16327) 25
Prefixes from unregistered ASNs in the Routing Table: 22
Number of instances of unregistered ASNs: 24
Number of 32-bit ASNs allocated by the RIRs: 25373
Number of 32-bit ASNs visible in the Routing Table: 20560
Prefixes from 32-bit ASNs in the Routing Table: 88488
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: 2838813409
Equivalent to 169 /8s, 52 /16s and 218 /24s
Percentage of available address space announced: 76.7
Percentage of allocated address space announced: 76.7
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: 244490
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 200435
Total APNIC prefixes after maximum aggregation: 56904
APNIC Deaggregation factor: 3.52
Prefixes being announced from the APNIC address blocks: 197571
Unique aggregates announced from the APNIC address blocks: 81259
APNIC Region origin ASes present in the Internet Routing Table: 9328
APNIC Prefixes per ASN: 21.18
APNIC Region origin ASes announcing only one prefix: 2633
APNIC Region transit ASes present in the Internet Routing Table: 1390
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 4326
Number of APNIC addresses announced to Internet: 769208320
Equivalent to 45 /8s, 217 /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, 131072-139577
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: 216909
Total ARIN prefixes after maximum aggregation: 102896
ARIN Deaggregation factor: 2.11
Prefixes being announced from the ARIN address blocks: 216224
Unique aggregates announced from the ARIN address blocks: 103607
ARIN Region origin ASes present in the Internet Routing Table: 18302
ARIN Prefixes per ASN: 11.81
ARIN Region origin ASes announcing only one prefix: 6801
ARIN Region transit ASes present in the Internet Routing Table: 1842
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2528
Number of ARIN addresses announced to Internet: 1077014688
Equivalent to 64 /8s, 49 /16s and 240 /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: 200092
Total RIPE prefixes after maximum aggregation: 95539
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 196443
Unique aggregates announced from the RIPE address blocks: 116298
RIPE Region origin ASes present in the Internet Routing Table: 25720
RIPE Prefixes per ASN: 7.64
RIPE Region origin ASes announcing only one prefix: 11484
RIPE Region transit ASes present in the Internet Routing Table: 3611
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 7702
Number of RIPE addresses announced to Internet: 716014656
Equivalent to 42 /8s, 173 /16s and 132 /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: 94946
Total LACNIC prefixes after maximum aggregation: 22030
LACNIC Deaggregation factor: 4.31
Prefixes being announced from the LACNIC address blocks: 96333
Unique aggregates announced from the LACNIC address blocks: 42307
LACNIC Region origin ASes present in the Internet Routing Table: 7953
LACNIC Prefixes per ASN: 12.11
LACNIC Region origin ASes announcing only one prefix: 2180
LACNIC Region transit ASes present in the Internet Routing Table: 1476
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 31
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 5500
Number of LACNIC addresses announced to Internet: 173201152
Equivalent to 10 /8s, 82 /16s and 215 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-270748 + 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: 20203
Total AfriNIC prefixes after maximum aggregation: 4214
AfriNIC Deaggregation factor: 4.79
Prefixes being announced from the AfriNIC address blocks: 25774
Unique aggregates announced from the AfriNIC address blocks: 9097
AfriNIC Region origin ASes present in the Internet Routing Table: 1233
AfriNIC Prefixes per ASN: 20.90
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: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 504
Number of AfriNIC addresses announced to Internet: 102971904
Equivalent to 6 /8s, 35 /16s and 58 /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
7545 4656 515 522 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4644 4192 74 ERX-CERNET-BKB China Education and Rese
7552 3011 1160 90 VIETEL-AS-AP Viettel Group, VN
45899 2985 1717 115 VNPT-AS-VN VNPT Corp, VN
4766 2815 11129 768 KIXS-AS-KR Korea Telecom, KR
9829 2749 1496 551 BSNL-NIB National Internet Backbone, IN
9808 2500 8699 26 CMNET-GD Guangdong Mobile Communication
9394 2408 4906 29 CTTNET China TieTong Telecommunications
17974 2253 968 50 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4755 2140 437 181 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 3503 1326 92 SHAW - Shaw Communications Inc., CA
11492 3484 225 600 CABLEONE - CABLE ONE, INC., US
22773 3309 2979 174 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 2604 5293 975 AMAZON-02 - Amazon.com, Inc., US
16625 2201 1229 1692 AKAMAI-AS - Akamai Technologies, Inc.,
20115 2150 2754 533 CHARTER-20115 - Charter Communications,
18566 2138 405 108 MEGAPATH5-US - MegaPath Corporation, US
30036 2095 349 129 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
5650 2087 3074 1462 FRONTIER-FRTR - Frontier Communications
209 2076 5077 589 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 5261 1628 138 UNI2-AS, ES
39891 3517 185 20 ALJAWWALSTC-AS, SA
8551 3289 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2632 577 1935 AKAMAI-ASN1, US
12389 2228 2221 626 ROSTELECOM-AS, RU
34984 2049 338 528 TELLCOM-AS, TR
9121 1683 1691 17 TTNET, TR
13188 1604 100 46 TRIOLAN, UA
8402 1292 544 17 CORBINA-AS OJSC "Vimpelcom", RU
9009 1222 131 684 M247, GB
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 5470 3319 589 Uninet S.A. de C.V., MX
10620 3150 475 905 Telmex Colombia S.A., CO
11830 2679 371 71 Instituto Costarricense de Electricidad
6503 1649 449 54 Axtel, S.A.B. de C.V., MX
7303 1438 960 233 Telecom Argentina S.A., AR
28573 1186 2237 182 CLARO S.A., BR
6147 1079 377 29 Telefonica del Peru S.A.A., PE
3816 1025 511 112 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 939 143 67 Alestra, S. de R.L. de C.V., MX
13999 938 539 259 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 1161 393 22 LINKdotNET-AS, EG
37611 898 107 9 Afrihost, ZA
36903 797 401 139 MT-MPLS, MA
36992 781 1411 44 ETISALAT-MISR, EG
24835 683 634 21 RAYA-AS, EG
8452 650 1731 19 TE-AS TE-AS, EG
29571 481 70 12 ORANGE-COTE-IVOIRE, CI
37492 459 470 57 ORANGE-, TN
37342 421 32 1 MOVITEL, MZ
15399 415 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 5470 3319 589 Uninet S.A. de C.V., MX
12479 5261 1628 138 UNI2-AS, ES
7545 4656 515 522 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4644 4192 74 ERX-CERNET-BKB China Education and Rese
39891 3517 185 20 ALJAWWALSTC-AS, SA
6327 3503 1326 92 SHAW - Shaw Communications Inc., CA
11492 3484 225 600 CABLEONE - CABLE ONE, INC., US
22773 3309 2979 174 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
8551 3289 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
10620 3150 475 905 Telmex Colombia S.A., CO
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 5261 5123 UNI2-AS, ES
4538 4644 4570 ERX-CERNET-BKB China Education and Research Net
7545 4656 4134 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3517 3497 ALJAWWALSTC-AS, SA
6327 3503 3411 SHAW - Shaw Communications Inc., CA
8551 3289 3246 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 3309 3135 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7552 3011 2921 VIETEL-AS-AP Viettel Group, VN
11492 3484 2884 CABLEONE - CABLE ONE, INC., US
45899 2985 2870 VNPT-AS-VN VNPT Corp, 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
4200058511 PRIVATE 103.111.177.0/24 137522 OERL-AS-AP Origin Energy Retai
4200058511 PRIVATE 103.111.178.0/24 137522 OERL-AS-AP Origin Energy Retai
64339 UNALLOCATED 143.0.108.0/22 18747 IFX18747 - IFX Corporation, US
64355 UNALLOCATED 156.40.196.0/24 30387 NIH-NET-NCCS - National Instit
64011 UNALLOCATED 166.133.128.0/18 20057 ATT-MOBILITY-LLC-AS20057 - AT&
64011 UNALLOCATED 166.133.192.0/18 20057 ATT-MOBILITY-LLC-AS20057 - AT&
64011 UNALLOCATED 166.184.9.0/24 20057 ATT-MOBILITY-LLC-AS20057 - AT&
64011 UNALLOCATED 166.220.64.0/19 20057 ATT-MOBILITY-LLC-AS20057 - AT&
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 /9:10 /10:36 /11:99 /12:291
/13:568 /14:1127 /15:1913 /16:13341 /17:7877 /18:13854
/19:25515 /20:39677 /21:46098 /22:91160 /23:74548 /24:413605
/25:925 /26:820 /27:880 /28:32 /29:18 /30:9
/31:2 /32:191
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 4113 5261 UNI2-AS, ES
6327 3266 3503 SHAW - Shaw Communications Inc., CA
11492 2764 3484 CABLEONE - CABLE ONE, INC., US
8551 2745 3289 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
39891 2689 3517 ALJAWWALSTC-AS, SA
22773 2549 3309 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2033 2138 MEGAPATH5-US - MegaPath Corporation, US
11830 2024 2679 Instituto Costarricense de Electricidad y Telec
30036 1843 2095 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)
----------------------------------------------
1:1626 2:889 3:1 4:23 5:2411 6:43
7:1 8:1174 12:1876 13:303 14:1884 15:37
16:2 17:209 18:59 20:48 23:2563 24:2418
25:2 27:2551 31:2012 32:92 35:31 36:824
37:2998 38:1600 39:282 40:121 41:3157 42:730
43:2007 44:136 45:6478 46:3114 47:244 49:1333
50:1080 51:319 52:1088 54:363 55:1 56:6
57:41 58:1715 59:1070 60:461 61:2090 62:2211
63:1809 64:5093 65:2200 66:4823 67:2685 68:1165
69:3443 70:1145 71:603 72:2278 74:2745 75:407
76:525 77:1707 78:1720 79:2320 80:1645 81:1416
82:1063 83:879 84:1077 85:2130 86:559 87:1502
88:992 89:2399 90:210 91:6535 92:1224 93:2359
94:2373 95:3117 96:909 97:349 98:934 99:169
100:88 101:1162 102:335 103:19647 104:3564 105:242
106:897 107:1834 108:703 109:3611 110:1633 111:1911
112:1395 113:1380 114:1153 115:1720 116:1618 117:1924
118:2204 119:1685 120:1150 121:1029 122:2363 123:1636
124:1451 125:1942 128:1195 129:690 130:523 131:1644
132:716 133:213 134:1043 135:229 136:539 137:673
138:1931 139:790 140:569 141:762 142:803 143:996
144:897 145:504 146:1250 147:775 148:1706 149:799
150:780 151:998 152:935 153:324 154:2413 155:965
156:1639 157:852 158:658 159:1899 160:1491 161:904
162:2654 163:772 164:1121 165:1586 166:465 167:1350
168:3207 169:866 170:3985 171:496 172:1072 173:2143
174:996 175:879 176:2274 177:4050 178:2558 179:1292
180:2097 181:2355 182:2678 183:1352 184:1139 185:14512
186:3666 187:2463 188:2975 189:2087 190:8281 191:1402
192:10021 193:6483 194:5332 195:4046 196:2896 197:1733
198:5701 199:5964 200:7418 201:5006 202:10235 203:10195
204:4628 205:3022 206:3306 207:3281 208:3943 209:4190
210:3904 211:2009 212:3072 213:2826 214:1073 215:52
216:5978 217:2197 218:899 219:575 220:1834 221:997
222:980 223:1421
End of report
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