[routing-wg] The Cidr Report

2016-09-16 Thread cidr-report 
This report has been generated at Fri Sep 16 21:15:22 2016 AEST.
The report analyses the BGP Routing Table of AS2.0 router
and generates a report on aggregation potential within the table.

Check http://www.cidr-report.org/2.0 for a current version of this report.

Recent Table History
Date  PrefixesCIDR Agg
09-09-16625799  348497
10-09-16625833  349267
11-09-16626144  348923
12-09-16626132  349225
13-09-16626336  349780
14-09-16626314  351852
15-09-16628920  352057
16-09-16629403  351048


AS Summary
 55163  Number of ASes in routing system
 21249  Number of ASes announcing only one prefix
  5554  Largest number of prefixes announced by an AS
AS4538 : ERX-CERNET-BKB China Education and Research Network 
Center, CN
  120792320  Largest address span announced by an AS (/32s)
AS4134 : CHINANET-BACKBONE No.31,Jin-rong Street, CN


Aggregation Summary
The algorithm used in this report proposes aggregation only
when there is a precise match using the AS path, so as 
to preserve traffic transit policies. Aggregation is also
proposed across non-advertised address space ('holes').

 --- 16Sep16 ---
ASnumNetsNow NetsAggr  NetGain   % Gain   Description

Table 628183   351347   27683644.1%   All ASes

AS39891 3329   22 330799.3%   ALJAWWALSTC-AS , SA
AS7545  3600  433 316788.0%   TPG-INTERNET-AP TPG Telecom
   Limited, AU
AS4538  5554 2651 290352.3%   ERX-CERNET-BKB China Education
   and Research Network Center,
   CN
AS17974 2945   78 286797.4%   TELKOMNET-AS2-AP PT
   Telekomunikasi Indonesia, ID
AS6389  2219   45 217498.0%   BELLSOUTH-NET-BLK -
   BellSouth.net Inc., US
AS4766  3113 1077 203665.4%   KIXS-AS-KR Korea Telecom, KR
AS9808  2250  244 200689.2%   CMNET-GD Guangdong Mobile
   Communication Co.Ltd., CN
AS9394  2043  331 171283.8%   CTTNET China TieTong
   Telecommunications
   Corporation, CN
AS22773 3517 1901 161645.9%   ASN-CXA-ALL-CCI-22773-RDC -
   Cox Communications Inc., US
AS4755  2051  559 149272.7%   TATACOMM-AS TATA
   Communications formerly VSNL
   is Leading ISP, IN
AS6983  1676  230 144686.3%   ITCDELTA - Earthlink, Inc., US
AS56040 1350   33 131797.6%   CMNET-GUANGDONG-AP China
   Mobile communications
   corporation, CN
AS18566 2196  924 127257.9%   MEGAPATH5-US - MegaPath
   Corporation, US
AS7552  1455  187 126887.1%   VIETEL-AS-AP Viettel
   Corporation, VN
AS8151  2271 1041 123054.2%   Uninet S.A. de C.V., MX
AS4808  1764  560 120468.3%   CHINA169-BJ China Unicom
   Beijing Province Network, CN
AS38285 1190   50 114095.8%   M2TELECOMMUNICATIONS-AU M2
   Telecommunications Group Ltd,
   AU
AS11830 1328  276 105279.2%   Instituto Costarricense de
   Electricidad y Telecom., CR
AS9498  1465  423 104271.1%   BBIL-AP BHARTI Airtel Ltd., IN
AS10620 3478 2472 100628.9%   Telmex Colombia S.A., CO
AS9829  2688 1708  98036.5%   BSNL-NIB National Internet
   Backbone, IN
AS20115 1938 1001  93748.3%   CHARTER-NET-HKY-NC - Charter
   Communications, US
AS7738   994   78  91692.2%   Telemar Norte Leste S.A., BR
AS55430 1042  129  91387.6%   STARHUBINTERNET-AS-NGNBN
   Starhub Internet Pte Ltd, SG
AS24560 1542  635  90758.8%   AIRTELBROADBAND-AS-AP Bharti
   Airtel Ltd., Telemedia
   Services, IN
AS7155   970  135  83586.1%   VIASAT-SP-BACKBONE -
   ViaSat,Inc., US
AS16509 1407  601  806

[routing-wg] Weekly Routing Table Report

2016-09-16 Thread Routing Analysis Role Account 
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, AusNOG, SANOG, PacNOG,
SAFNOG, SdNOG, BJNOG, CaribNOG and the RIPE Routing WG.

Daily listings are sent to bgp-st...@lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith .

Routing Table Report   04:00 +10GMT Sat 17 Sep, 2016

Report Website: http://thyme.rand.apnic.net
Detailed Analysis:  http://thyme.rand.apnic.net/current/

Analysis Summary


BGP routing table entries examined:  609829
Prefixes after maximum aggregation (per Origin AS):  220069
Deaggregation factor:  2.77
Unique aggregates announced (without unneeded subnets):  297950
Total ASes present in the Internet Routing Table: 54857
Prefixes per ASN: 11.12
Origin-only ASes present in the Internet Routing Table:   36396
Origin ASes announcing only one prefix:   15402
Transit ASes present in the Internet Routing Table:6516
Transit-only ASes present in the Internet Routing Table:168
Average AS path length visible in the Internet Routing Table:   4.3
Max AS path length visible:  54
Max AS path prepend of ASN ( 55644)  51
Prefixes from unregistered ASNs in the Routing Table:60
Unregistered ASNs in the Routing Table:  15
Number of 32-bit ASNs allocated by the RIRs:  15444
Number of 32-bit ASNs visible in the Routing Table:   11945
Prefixes from 32-bit ASNs in the Routing Table:   47636
Number of bogon 32-bit ASNs visible in the Routing Table:84
Special use prefixes present in the Routing Table:0
Prefixes being announced from unallocated address space:347
Number of addresses announced to Internet:   2826656228
Equivalent to 168 /8s, 123 /16s and 89 /24s
Percentage of available address space announced:   76.3
Percentage of allocated address space announced:   76.3
Percentage of available address space allocated:  100.0
Percentage of address space in use by end-sites:   98.3
Total number of prefixes smaller than registry allocations:  197571

APNIC Region Analysis Summary
-

Prefixes being announced by APNIC Region ASes:   156454
Total APNIC prefixes after maximum aggregation:   42942
APNIC Deaggregation factor:3.64
Prefixes being announced from the APNIC address blocks:  169988
Unique aggregates announced from the APNIC address blocks:68960
APNIC Region origin ASes present in the Internet Routing Table:5194
APNIC Prefixes per ASN:   32.73
APNIC Region origin ASes announcing only one prefix:   1156
APNIC Region transit ASes present in the Internet Routing Table:946
Average APNIC Region AS path length visible:4.4
Max APNIC Region AS path length visible: 54
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2380
Number of APNIC addresses announced to Internet:  759640004
Equivalent to 45 /8s, 71 /16s and 47 /24s
APNIC AS Blocks4608-4864, 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:183986
Total ARIN prefixes after maximum aggregation:89627
ARIN Deaggregation factor: 2.05
Prefixes being announced from the ARIN address blocks:   189745
Unique aggregates announced from the ARIN address blocks: 88444
ARIN Region origin ASes present in the Internet Routing Table:16204
ARIN Prefixes per ASN:11.71