[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Sep 22 18:02:33 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
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 23 Sep, 2017
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 665219
Prefixes after maximum aggregation (per Origin AS): 258596
Deaggregation factor: 2.57
Unique aggregates announced (without unneeded subnets): 320766
Total ASes present in the Internet Routing Table: 58466
Prefixes per ASN: 11.38
Origin-only ASes present in the Internet Routing Table: 50520
Origin ASes announcing only one prefix: 22262
Transit ASes present in the Internet Routing Table: 7946
Transit-only ASes present in the Internet Routing Table: 230
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 33
Max AS path prepend of ASN ( 8591) 26
Prefixes from unregistered ASNs in the Routing Table: 94
Number of instances of unregistered ASNs: 95
Number of 32-bit ASNs allocated by the RIRs: 20036
Number of 32-bit ASNs visible in the Routing Table: 15872
Prefixes from 32-bit ASNs in the Routing Table: 64954
Number of bogon 32-bit ASNs visible in the Routing Table: 23
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 368
Number of addresses announced to Internet: 2853913952
Equivalent to 170 /8s, 27 /16s and 69 /24s
Percentage of available address space announced: 77.1
Percentage of allocated address space announced: 77.1
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: 220782
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 183318
Total APNIC prefixes after maximum aggregation: 52306
APNIC Deaggregation factor: 3.50
Prefixes being announced from the APNIC address blocks: 182289
Unique aggregates announced from the APNIC address blocks: 75028
APNIC Region origin ASes present in the Internet Routing Table: 8345
APNIC Prefixes per ASN: 21.84
APNIC Region origin ASes announcing only one prefix: 2312
APNIC Region transit ASes present in the Internet Routing Table: 1199
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 32
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3202
Number of APNIC addresses announced to Internet: 765521632
Equivalent to 45 /8s, 160 /16s and 238 /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: 200202
Total ARIN prefixes after maximum aggregation: 96002
ARIN Deaggregation factor: 2.09
Prefixes being announced from the ARIN address blocks: 201865
Unique aggregates announced from the ARIN address blocks: 93864
ARIN Region origin ASes present in the Internet Routing Table: 17957
ARIN Prefixes per ASN: 11.24
ARIN Region origin ASes announcing only one prefix: 6624
ARIN Region transit ASes present in the Internet Routing Table: 1765
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: 2197
Number of ARIN addresses announced to Internet: 1109873952
Equivalent to 66 /8s, 39 /16s and 85 /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: 177675
Total RIPE prefixes after maximum aggregation: 86849
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 173627
Unique aggregates announced from the RIPE address blocks: 104715
RIPE Region origin ASes present in the Internet Routing Table: 24420
RIPE Prefixes per ASN: 7.11
RIPE Region origin ASes announcing only one prefix: 11206
RIPE Region transit ASes present in the Internet Routing Table: 3475
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 6202
Number of RIPE addresses announced to Internet: 713228160
Equivalent to 42 /8s, 130 /16s and 255 /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: 86491
Total LACNIC prefixes after maximum aggregation: 19501
LACNIC Deaggregation factor: 4.44
Prefixes being announced from the LACNIC address blocks: 87740
Unique aggregates announced from the LACNIC address blocks: 39785
LACNIC Region origin ASes present in the Internet Routing Table: 6406
LACNIC Prefixes per ASN: 13.70
LACNIC Region origin ASes announcing only one prefix: 1776
LACNIC Region transit ASes present in the Internet Routing Table: 1179
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 33
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3925
Number of LACNIC addresses announced to Internet: 171368928
Equivalent to 10 /8s, 54 /16s and 225 /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: 17437
Total AfriNIC prefixes after maximum aggregation: 3862
AfriNIC Deaggregation factor: 4.52
Prefixes being announced from the AfriNIC address blocks: 19330
Unique aggregates announced from the AfriNIC address blocks: 7080
AfriNIC Region origin ASes present in the Internet Routing Table: 1072
AfriNIC Prefixes per ASN: 18.03
AfriNIC Region origin ASes announcing only one prefix: 343
AfriNIC Region transit ASes present in the Internet Routing Table: 211
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 346
Number of AfriNIC addresses announced to Internet: 93461760
Equivalent to 5 /8s, 146 /16s and 29 /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 5296 4194 88 ERX-CERNET-BKB China Education and Rese
7545 3845 406 387 TPG-INTERNET-AP TPG Telecom Limited, AU
17974 2934 901 71 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4766 2827 11126 753 KIXS-AS-KR Korea Telecom, KR
9829 2744 1499 540 BSNL-NIB National Internet Backbone, IN
9808 2389 8699 32 CMNET-GD Guangdong Mobile Communication
45899 2259 1472 114 VNPT-AS-VN VNPT Corp, VN
9394 2174 4931 27 CTTNET China TieTong Telecommunications
4755 2104 422 221 TATACOMM-AS TATA Communications formerl
4134 1745 28203 462 CHINANET-BACKBONE No.31,Jin-rong Street
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 3438 1341 88 SHAW - Shaw Communications Inc., CA
22773 3317 2952 157 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566 2209 405 108 MEGAPATH5-US - MegaPath Corporation, US
6389 2044 3671 39 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
20115 2040 2250 429 CHARTER-NET-HKY-NC - Charter Communicat
209 1914 5067 645 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
16509 1859 3964 553 AMAZON-02 - Amazon.com, Inc., US
30036 1842 330 257 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
6983 1687 854 229 ITCDELTA - Earthlink, Inc., US
701 1678 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 2911 912 2085 AKAMAI-ASN1, US
8551 2457 377 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
34984 2049 330 429 TELLCOM-AS, TR
9121 1927 1691 17 TTNET, TR
12389 1756 1644 677 ROSTELECOM-AS, RU
12479 1708 1052 63 UNI2-AS, ES
13188 1604 100 52 TRIOLAN, UA
6849 1225 355 21 UKRTELNET, UA
8402 1202 544 15 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 3567 542 229 Telmex Colombia S.A., CO
8151 3200 3468 584 Uninet S.A. de C.V., MX
11830 2099 370 65 Instituto Costarricense de Electricidad
6503 1565 437 53 Axtel, S.A.B. de C.V., MX
10481 1563 351 525 Prima S.A., AR
7303 1557 1023 241 Telecom Argentina S.A., AR
6147 1277 377 27 Telefonica del Peru S.A.A., PE
3816 1033 510 92 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
28573 965 2285 181 CLARO S.A., BR
11172 913 126 85 Alestra, S. de R.L. 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 1203 398 48 LINKdotNET-AS, EG
37611 766 91 8 Afrihost, ZA
36903 708 356 136 MT-MPLS, MA
36992 662 1383 31 ETISALAT-MISR, EG
24835 515 850 15 RAYA-AS, EG
29571 422 36 10 CITelecom-AS, CI
37492 415 354 77 ORANGE-, TN
8452 357 1730 17 TE-AS TE-AS, EG
15399 357 35 7 WANANCHI-, KE
23889 306 103 14 MauritiusTelecom, MU
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 5296 4194 88 ERX-CERNET-BKB China Education and Rese
7545 3845 406 387 TPG-INTERNET-AP TPG Telecom Limited, AU
10620 3567 542 229 Telmex Colombia S.A., CO
6327 3438 1341 88 SHAW - Shaw Communications Inc., CA
39891 3387 186 23 ALJAWWALSTC-AS, SA
22773 3317 2952 157 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
8151 3200 3468 584 Uninet S.A. de C.V., MX
17974 2934 901 71 TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940 2911 912 2085 AKAMAI-ASN1, US
4766 2827 11126 753 KIXS-AS-KR Korea Telecom, KR
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 3845 3458 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3387 3364 ALJAWWALSTC-AS, SA
6327 3438 3350 SHAW - Shaw Communications Inc., CA
10620 3567 3338 Telmex Colombia S.A., CO
22773 3317 3160 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
17974 2934 2863 TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
8151 3200 2616 Uninet S.A. de C.V., MX
8551 2457 2416 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
9808 2389 2357 CMNET-GD Guangdong Mobile Communication Co.Ltd.
9829 2744 2204 BSNL-NIB National Internet Backbone, IN
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-
65010 PRIVATE 46.56.192.0/19 42772 VELCOM-AS, BY
65010 PRIVATE 46.56.224.0/19 42772 VELCOM-AS, BY
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
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.192.48.0/24 134833 LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.49.0/24 134833 LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.50.0/24 134833 LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.51.0/24 134833 LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
23.128.126.0/23 62878 XLITT - Xlitt, US
27.100.7.0/24 56096 UNKNOWN
41.78.12.0/23 62878 XLITT - Xlitt, US
41.78.180.0/23 37265 -Reserved AS-, ZZ
41.242.132.0/23 62878 XLITT - Xlitt, US
43.228.144.0/22 9829 BSNL-NIB National Internet Backbone, 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 /12:283
/13:551 /14:1048 /15:1868 /16:13425 /17:7771 /18:13648
/19:25304 /20:39242 /21:42715 /22:80092 /23:65224 /24:371401
/25:854 /26:635 /27:668 /28:37 /29:38 /30:216
/31:2 /32:27
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3234 3438 SHAW - Shaw Communications Inc., CA
39891 2946 3387 ALJAWWALSTC-AS, SA
22773 2528 3317 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2094 2209 MEGAPATH5-US - MegaPath Corporation, US
8551 1922 2457 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 1620 1842 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1520 3567 Telmex Colombia S.A., CO
11830 1489 2099 Instituto Costarricense de Electricidad y Telec
11492 1422 1601 CABLEONE - CABLE ONE, INC., US
9121 1373 1927 TTNET, TR
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1560 2:834 4:18 5:2452 6:31 7:1
8:1073 12:1856 13:159 14:1682 15:28 16:2
17:169 18:76 20:60 23:2458 24:1608 25:2
27:2370 29:1 31:1920 32:89 33:19 35:21
36:405 37:2361 38:1378 39:69 40:98 41:3036
42:492 43:1946 44:79 45:3089 46:2816 47:171
49:1248 50:1010 51:19 52:826 54:368 55:1
56:4 57:44 58:1571 59:981 60:327 61:2013
62:1721 63:1906 64:4647 65:2210 66:4535 67:2256
68:1189 69:3353 70:1160 71:608 72:2140 74:2643
75:401 76:426 77:1484 78:1543 79:1895 80:1417
81:1411 82:1014 83:724 84:970 85:1878 86:467
87:1201 88:813 89:2228 90:171 91:6243 92:1030
93:2347 94:2379 95:2722 96:637 97:353 98:961
99:95 100:153 101:1440 102:1 103:15882 104:3046
105:189 106:544 107:1758 108:827 109:2917 110:1479
111:1751 112:1278 113:1332 114:1069 115:1551 116:1689
117:1757 118:2148 119:1638 120:725 121:1072 122:2426
123:1869 124:1502 125:1801 128:909 129:677 130:442
131:1484 132:600 133:194 134:704 135:225 136:305
137:468 138:1953 139:520 140:380 141:668 142:747
143:907 144:796 145:184 146:1104 147:701 148:1467
149:584 150:702 151:985 152:753 153:302 154:903
155:756 156:683 157:714 158:485 159:1558 160:749
161:748 162:2505 163:506 164:976 165:1429 166:382
167:1295 168:3034 169:845 170:3538 171:382 172:1017
173:2010 174:789 175:776 176:1856 177:3962 178:2540
179:1124 180:2202 181:2502 182:2441 183:770 184:874
185:10781 186:3427 187:2175 188:2591 189:1841 190:8850
191:1366 192:9651 193:5810 194:4740 195:3935 196:2131
197:1308 198:5529 199:5854 200:7625 201:4526 202:10375
203:9925 204:4516 205:2843 206:3008 207:3148 208:3954
209:4033 210:3945 211:2084 212:2877 213:2538 214:845
215:66 216:5880 217:2132 218:955 219:587 220:1676
221:930 222:761 223:1208
End of report
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