[cmNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Ven 23 Mar 18:03:15 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, 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 24 Mar, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 691365
Prefixes after maximum aggregation (per Origin AS): 268010
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 333413
Total ASes present in the Internet Routing Table: 60242
Prefixes per ASN: 11.48
Origin-only ASes present in the Internet Routing Table: 52045
Origin ASes announcing only one prefix: 22825
Transit ASes present in the Internet Routing Table: 8197
Transit-only ASes present in the Internet Routing Table: 259
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 34
Max AS path prepend of ASN ( 30873) 32
Prefixes from unregistered ASNs in the Routing Table: 43
Number of instances of unregistered ASNs: 43
Number of 32-bit ASNs allocated by the RIRs: 21920
Number of 32-bit ASNs visible in the Routing Table: 17665
Prefixes from 32-bit ASNs in the Routing Table: 73424
Number of bogon 32-bit ASNs visible in the Routing Table: 14
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 327
Number of addresses announced to Internet: 2856515618
Equivalent to 170 /8s, 66 /16s and 248 /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: 98.8
Total number of prefixes smaller than registry allocations: 229823
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 190139
Total APNIC prefixes after maximum aggregation: 54379
APNIC Deaggregation factor: 3.50
Prefixes being announced from the APNIC address blocks: 189044
Unique aggregates announced from the APNIC address blocks: 77220
APNIC Region origin ASes present in the Internet Routing Table: 8733
APNIC Prefixes per ASN: 21.65
APNIC Region origin ASes announcing only one prefix: 2463
APNIC Region transit ASes present in the Internet Routing Table: 1291
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 27
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3650
Number of APNIC addresses announced to Internet: 767306082
Equivalent to 45 /8s, 188 /16s and 41 /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: 206125
Total ARIN prefixes after maximum aggregation: 98692
ARIN Deaggregation factor: 2.09
Prefixes being announced from the ARIN address blocks: 206867
Unique aggregates announced from the ARIN address blocks: 97789
ARIN Region origin ASes present in the Internet Routing Table: 18121
ARIN Prefixes per ASN: 11.42
ARIN Region origin ASes announcing only one prefix: 6715
ARIN Region transit ASes present in the Internet Routing Table: 1807
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: 2326
Number of ARIN addresses announced to Internet: 1104262496
Equivalent to 65 /8s, 209 /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: 187594
Total RIPE prefixes after maximum aggregation: 91205
RIPE Deaggregation factor: 2.06
Prefixes being announced from the RIPE address blocks: 183855
Unique aggregates announced from the RIPE address blocks: 110088
RIPE Region origin ASes present in the Internet Routing Table: 25036
RIPE Prefixes per ASN: 7.34
RIPE Region origin ASes announcing only one prefix: 11374
RIPE Region transit ASes present in the Internet Routing Table: 3492
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 6811
Number of RIPE addresses announced to Internet: 715655552
Equivalent to 42 /8s, 168 /16s and 9 /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: 88947
Total LACNIC prefixes after maximum aggregation: 19690
LACNIC Deaggregation factor: 4.52
Prefixes being announced from the LACNIC address blocks: 90332
Unique aggregates announced from the LACNIC address blocks: 40521
LACNIC Region origin ASes present in the Internet Routing Table: 6946
LACNIC Prefixes per ASN: 13.00
LACNIC Region origin ASes announcing only one prefix: 1905
LACNIC Region transit ASes present in the Internet Routing Table: 1288
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 32
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 4478
Number of LACNIC addresses announced to Internet: 172439008
Equivalent to 10 /8s, 71 /16s and 53 /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: 18515
Total AfriNIC prefixes after maximum aggregation: 4004
AfriNIC Deaggregation factor: 4.62
Prefixes being announced from the AfriNIC address blocks: 20940
Unique aggregates announced from the AfriNIC address blocks: 7532
AfriNIC Region origin ASes present in the Internet Routing Table: 1122
AfriNIC Prefixes per ASN: 18.66
AfriNIC Region origin ASes announcing only one prefix: 367
AfriNIC Region transit ASes present in the Internet Routing Table: 226
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: 400
Number of AfriNIC addresses announced to Internet: 96439296
Equivalent to 5 /8s, 191 /16s and 140 /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 5417 4192 74 ERX-CERNET-BKB China Education and Rese
7545 3928 407 407 TPG-INTERNET-AP TPG Telecom Limited, AU
4766 2877 11133 782 KIXS-AS-KR Korea Telecom, KR
9829 2804 1499 541 BSNL-NIB National Internet Backbone, IN
7552 2702 1161 58 VIETEL-AS-AP Viettel Group, VN
9394 2630 4923 29 CTTNET China TieTong Telecommunications
45899 2557 1561 165 VNPT-AS-VN VNPT Corp, VN
17974 2308 930 80 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9808 2172 8699 32 CMNET-GD Guangdong Mobile Communication
4755 2085 417 215 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 3375 1323 86 SHAW - Shaw Communications Inc., CA
22773 3285 2988 150 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566 2167 405 108 MEGAPATH5-US - MegaPath Corporation, US
20115 2098 2488 433 CHARTER-NET-HKY-NC - Charter Communicat
16509 2031 4372 651 AMAZON-02 - Amazon.com, Inc., US
30036 1947 341 176 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
209 1919 5070 609 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
11492 1765 227 564 CABLEONE - CABLE ONE, INC., US
6389 1743 3671 36 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
16625 1698 827 1214 AKAMAI-AS - Akamai Technologies, Inc.,
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 3885 1484 617 UNI2-AS, ES
39891 3327 179 20 ALJAWWALSTC-AS, SA
20940 2749 776 2010 AKAMAI-ASN1, US
12389 2035 1864 704 ROSTELECOM-AS, RU
34984 2024 334 482 TELLCOM-AS, TR
8551 2021 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
9121 1944 1692 19 TTNET, TR
13188 1606 100 46 TRIOLAN, UA
8402 1235 544 14 CORBINA-AS OJSC "Vimpelcom", RU
9198 1071 363 28 KAZTELECOM-AS, KZ
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 4324 3385 579 Uninet S.A. de C.V., MX
10620 3597 540 259 Telmex Colombia S.A., CO
11830 2641 369 86 Instituto Costarricense de Electricidad
6503 1634 437 53 Axtel, S.A.B. de C.V., MX
7303 1506 1022 191 Telecom Argentina S.A., AR
28573 1027 2251 181 CLARO S.A., BR
6147 1013 377 27 Telefonica del Peru S.A.A., PE
3816 1006 506 120 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 927 126 83 Alestra, S. de R.L. de C.V., MX
18881 907 1072 29 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 1161 398 50 LINKdotNET-AS, EG
37611 820 107 9 Afrihost, ZA
36903 741 372 137 MT-MPLS, MA
36992 677 1396 39 ETISALAT-MISR, EG
8452 633 1730 18 TE-AS TE-AS, EG
24835 602 850 15 RAYA-AS, EG
29571 467 68 12 ORANGE-COTE-IVOIRE, CI
37492 450 376 81 ORANGE-, TN
15399 362 35 7 WANANCHI-, KE
37342 361 32 1 MOVITEL, MZ
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 5417 4192 74 ERX-CERNET-BKB China Education and Rese
8151 4324 3385 579 Uninet S.A. de C.V., MX
7545 3928 407 407 TPG-INTERNET-AP TPG Telecom Limited, AU
12479 3885 1484 617 UNI2-AS, ES
10620 3597 540 259 Telmex Colombia S.A., CO
6327 3375 1323 86 SHAW - Shaw Communications Inc., CA
39891 3327 179 20 ALJAWWALSTC-AS, SA
22773 3285 2988 150 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
4766 2877 11133 782 KIXS-AS-KR Korea Telecom, KR
9829 2804 1499 541 BSNL-NIB National Internet Backbone, IN
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
8151 4324 3745 Uninet S.A. de C.V., MX
7545 3928 3521 TPG-INTERNET-AP TPG Telecom Limited, AU
10620 3597 3338 Telmex Colombia S.A., CO
39891 3327 3307 ALJAWWALSTC-AS, SA
6327 3375 3289 SHAW - Shaw Communications Inc., CA
12479 3885 3268 UNI2-AS, ES
22773 3285 3135 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7552 2702 2644 VIETEL-AS-AP Viettel Group, VN
9394 2630 2601 CTTNET China TieTong Telecommunications Corpora
11830 2641 2555 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
65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom
64513 PRIVATE 62.150.101.0/24 9155 QNET Kuwait, KW
65537 DOCUMENT 62.162.120.0/24 6821 MT-AS-OWN bul. Orce Nikolov bb
419333 UNALLOCATED 84.17.91.0/24 41933 IPRAGAZ-AS Istanbul/ TURKEY, T
65024 PRIVATE 87.103.234.0/24 39407 CHITATELECOM-AS, RU
65024 PRIVATE 95.189.78.0/24 39407 CHITATELECOM-AS, RU
65024 PRIVATE 95.189.80.0/22 39407 CHITATELECOM-AS, RU
64111 UNALLOCATED 98.159.5.0/24 19555 KMI-NETWORK - Kinder Morgan, I
64111 UNALLOCATED 98.159.7.0/24 19555 KMI-NETWORK - Kinder Morgan, I
64121 UNALLOCATED 98.159.9.0/24 19555 KMI-NETWORK - Kinder Morgan, I
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
100.66.224.0/19 209 CENTURYLINK-US-LEGACY-QWEST - Qwest Communicati
100.127.16.0/23 28885 OMANTEL-NAP-AS OmanTel NAP, OM
100.127.18.0/23 28885 OMANTEL-NAP-AS OmanTel NAP, OM
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
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
37.44.224.0/20 48666 AS-MAROSNET Moscow, Russia, RU
41.76.136.0/22 37500 -Reserved AS-, ZZ
41.76.136.0/24 37500 -Reserved AS-, ZZ
41.76.138.0/24 37500 -Reserved AS-, ZZ
41.76.139.0/24 37500 -Reserved AS-, ZZ
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 /10:37 /11:100 /12:288
/13:563 /14:1095 /15:1902 /16:13337 /17:7847 /18:13660
/19:25204 /20:39209 /21:45188 /22:85658 /23:69222 /24:385799
/25:839 /26:603 /27:659 /28:33 /29:20 /30:16
/31:4 /32:57
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3166 3375 SHAW - Shaw Communications Inc., CA
39891 2754 3327 ALJAWWALSTC-AS, SA
12479 2645 3885 UNI2-AS, ES
22773 2539 3285 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2061 2167 MEGAPATH5-US - MegaPath Corporation, US
11830 1988 2641 Instituto Costarricense de Electricidad y Telec
30036 1697 1947 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1601 3597 Telmex Colombia S.A., CO
11492 1536 1765 CABLEONE - CABLE ONE, INC., US
8551 1484 2021 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1577 2:821 4:19 5:2799 6:48 7:1
8:1118 9:1 12:1881 13:192 14:1740 15:27
16:3 17:194 18:68 20:47 21:3 23:2560
24:2148 25:2 27:2264 31:1950 32:89 35:27
36:509 37:2779 38:1459 39:249 40:107 41:3024
42:595 43:1956 44:103 45:3988 46:3040 47:199
49:1349 50:1051 51:48 52:996 54:363 55:5
56:12 57:42 58:1550 59:1017 60:429 61:2135
62:1813 63:1799 64:4729 65:2221 66:4614 67:2367
68:1170 69:3210 70:1141 71:559 72:2111 74:2721
75:412 76:427 77:1547 78:1726 79:1783 80:1482
81:1436 82:1074 83:775 84:1020 85:2078 86:580
87:1301 88:928 89:2323 90:199 91:6310 92:1171
93:2377 94:2398 95:2738 96:659 97:356 98:929
99:129 100:79 101:1427 102:31 103:17422 104:3308
105:224 106:602 107:1793 108:708 109:2724 110:1580
111:1770 112:1325 113:1351 114:1116 115:1649 116:1643
117:1715 118:2161 119:1675 120:969 121:1059 122:2459
123:1821 124:1460 125:1892 128:997 129:629 130:447
131:1556 132:683 133:195 134:995 135:228 136:449
137:499 138:1913 139:575 140:417 141:685 142:793
143:958 144:806 145:456 146:1170 147:750 148:1549
149:709 150:743 151:981 152:758 153:311 154:1013
155:765 156:848 157:784 158:624 159:1649 160:915
161:723 162:2575 163:524 164:1036 165:1412 166:414
167:1396 168:3060 169:814 170:3708 171:426 172:1071
173:1956 174:872 175:765 176:1745 177:3995 178:2416
179:1193 180:2242 181:2155 182:2462 183:1135 184:918
185:12989 186:3565 187:2339 188:2756 189:2004 190:8097
191:1384 192:9794 193:5890 194:4792 195:3960 196:2474
197:1444 198:5519 199:5875 200:7394 201:4990 202:10434
203:10152 204:4530 205:2849 206:3077 207:3204 208:3992
209:3925 210:4035 211:2112 212:2981 213:2722 214:911
215:61 216:5857 217:2151 218:899 219:621 220:1724
221:997 222:1040 223:1236
End of report
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