[lacnog] Weekly Routing Table Report

Routing Analysis Role Account cscora en apnic.net
Vie Mayo 25 15:02:57 BRT 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 en lists.apnic.net

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

If you have any comments please contact Philip Smith <pfsinoz en gmail.com>.

Routing Table Report   04:00 +10GMT Sat 26 May, 2018

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

Analysis Summary
----------------

BGP routing table entries examined:                              701902
    Prefixes after maximum aggregation (per Origin AS):          269651
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      337566
Total ASes present in the Internet Routing Table:                 60835
    Prefixes per ASN:                                             11.54
Origin-only ASes present in the Internet Routing Table:           52547
Origin ASes announcing only one prefix:                           22946
Transit ASes present in the Internet Routing Table:                8288
Transit-only ASes present in the Internet Routing Table:            271
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      30
    Max AS path prepend of ASN ( 30873)                              28
Prefixes from unregistered ASNs in the Routing Table:                48
    Number of instances of unregistered ASNs:                        48
Number of 32-bit ASNs allocated by the RIRs:                      22716
Number of 32-bit ASNs visible in the Routing Table:               18310
Prefixes from 32-bit ASNs in the Routing Table:                   76393
Number of bogon 32-bit ASNs visible in the Routing Table:            15
Special use prefixes present in the Routing Table:                    2
Prefixes being announced from unallocated address space:            276
Number of addresses announced to Internet:                   2860355907
    Equivalent to 170 /8s, 125 /16s and 145 /24s
    Percentage of available address space announced:               77.3
    Percentage of allocated address space announced:               77.3
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.9
Total number of prefixes smaller than registry allocations:      234647

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                   191524
    Total APNIC prefixes after maximum aggregation:               54361
    APNIC Deaggregation factor:                                    3.52
Prefixes being announced from the APNIC address blocks:          190353
    Unique aggregates announced from the APNIC address blocks:    77978
APNIC Region origin ASes present in the Internet Routing Table:    8831
    APNIC Prefixes per ASN:                                       21.56
APNIC Region origin ASes announcing only one prefix:               2475
APNIC Region transit ASes present in the Internet Routing Table:   1317
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         22
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3802
Number of APNIC addresses announced to Internet:              766494466
    Equivalent to 45 /8s, 175 /16s and 199 /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:                    208837
    Total ARIN prefixes after maximum aggregation:                99153
    ARIN Deaggregation factor:                                     2.11
Prefixes being announced from the ARIN address blocks:           209554
    Unique aggregates announced from the ARIN address blocks:     99034
ARIN Region origin ASes present in the Internet Routing Table:    18185
    ARIN Prefixes per ASN:                                        11.52
ARIN Region origin ASes announcing only one prefix:                6713
ARIN Region transit ASes present in the Internet Routing Table:    1798
Average ARIN Region AS path length visible:                         3.6
    Max ARIN Region AS path length visible:                          20
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2353
Number of ARIN addresses announced to Internet:              1106418720
    Equivalent to 65 /8s, 242 /16s and 156 /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:                    191947
    Total RIPE prefixes after maximum aggregation:                92215
    RIPE Deaggregation factor:                                     2.08
Prefixes being announced from the RIPE address blocks:           187983
    Unique aggregates announced from the RIPE address blocks:    111588
RIPE Region origin ASes present in the Internet Routing Table:    25207
    RIPE Prefixes per ASN:                                         7.46
RIPE Region origin ASes announcing only one prefix:               11384
RIPE Region transit ASes present in the Internet Routing Table:    3515
Average RIPE Region AS path length visible:                         4.1
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:    7023
Number of RIPE addresses announced to Internet:               715946112
    Equivalent to 42 /8s, 172 /16s and 120 /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:                   90883
    Total LACNIC prefixes after maximum aggregation:              19907
    LACNIC Deaggregation factor:                                   4.57
Prefixes being announced from the LACNIC address blocks:          92294
    Unique aggregates announced from the LACNIC address blocks:   41069
LACNIC Region origin ASes present in the Internet Routing Table:   7170
    LACNIC Prefixes per ASN:                                      12.87
LACNIC Region origin ASes announcing only one prefix:              1993
LACNIC Region transit ASes present in the Internet Routing Table:  1324
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  4711
Number of LACNIC addresses announced to Internet:             172631712
    Equivalent to 10 /8s, 74 /16s and 38 /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:                  18661
    Total AfriNIC prefixes after maximum aggregation:              3971
    AfriNIC Deaggregation factor:                                  4.70
Prefixes being announced from the AfriNIC address blocks:         21442
    Unique aggregates announced from the AfriNIC address blocks:   7656
AfriNIC Region origin ASes present in the Internet Routing Table:  1143
    AfriNIC Prefixes per ASN:                                     18.76
AfriNIC Region origin ASes announcing only one prefix:              380
AfriNIC Region transit ASes present in the Internet Routing Table:  233
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:  421
Number of AfriNIC addresses announced to Internet:             98415872
    Equivalent to 5 /8s, 221 /16s and 181 /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         5404       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4406        419     433  TPG-INTERNET-AP TPG Telecom Limited, AU
  4766         2908      11137     790  KIXS-AS-KR Korea Telecom, KR
  7552         2871       1154      73  VIETEL-AS-AP Viettel Group, VN
  9829         2812       1498     543  BSNL-NIB National Internet Backbone, IN
  9394         2544       4923      26  CTTNET China TieTong Telecommunications
 45899         2491       1574     160  VNPT-AS-VN VNPT Corp, VN
 17974         2219        928      79  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  9808         2203       8699      26  CMNET-GD Guangdong Mobile Communication
  4755         2104        417     206  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         3431       1324      85  SHAW - Shaw Communications Inc., CA
 22773         3299       2968     147  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 11492         2183        245     410  CABLEONE - CABLE ONE, INC., US
 18566         2172        405     109  MEGAPATH5-US - MegaPath Corporation, US
 16509         2124       4705     668  AMAZON-02 - Amazon.com, Inc., US
 20115         2106       2530     456  CHARTER-NET-HKY-NC - Charter Communicat
 30036         1989        342     157  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
   209         1986       5070     607  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 16625         1838        908    1313  AKAMAI-AS - Akamai Technologies, Inc., 
  7018         1723      20216    1264  ATT-INTERNET4 - AT&T Services, Inc., US

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         4206       1518     532  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  8551         2869        377      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2626        687    1925  AKAMAI-ASN1, US
 12389         2068       1877     707  ROSTELECOM-AS, RU
 34984         2010        334     491  TELLCOM-AS, TR
  9121         1889       1692      19  TTNET, TR
 13188         1609        100      43  TRIOLAN, UA
  6849         1241        355      21  UKRTELNET, UA
  8402         1240        544      14  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
  8151         4895       3350     592  Uninet S.A. de C.V., MX
 10620         3602        542     236  Telmex Colombia S.A., CO
 11830         2649        369      77  Instituto Costarricense de Electricidad
  6503         1616        438      58  Axtel, S.A.B. de C.V., MX
  7303         1517       1026     191  Telecom Argentina S.A., AR
 28573         1031       2253     173  CLARO S.A., BR
  3816         1009        505     124  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147          989        377      31  Telefonica del Peru S.A.A., PE
 11172          926        126      85  Alestra, S. de R.L. de C.V., MX
 18881          911       1078      30  TELEF‘NICA 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         1069        396      45  LINKdotNET-AS, EG
 37611          854        107       9  Afrihost, ZA
 36903          739        371     140  MT-MPLS, MA
 36992          705       1412      43  ETISALAT-MISR, EG
  8452          688       1730      17  TE-AS TE-AS, EG
 24835          566        786      17  RAYA-AS, EG
 37492          465        470      57  ORANGE-, TN
 29571          441         68      10  ORANGE-COTE-IVOIRE, CI
 37342          378         32       1  MOVITEL, MZ
 15399          367         35       7  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
  4538         5404       4192      74  ERX-CERNET-BKB China Education and Rese
  8151         4895       3350     592  Uninet S.A. de C.V., MX
  7545         4406        419     433  TPG-INTERNET-AP TPG Telecom Limited, AU
 12479         4206       1518     532  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
 10620         3602        542     236  Telmex Colombia S.A., CO
  6327         3431       1324      85  SHAW - Shaw Communications Inc., CA
 22773         3299       2968     147  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  4766         2908      11137     790  KIXS-AS-KR Korea Telecom, KR
  7552         2871       1154      73  VIETEL-AS-AP Viettel Group, VN

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       4895         4303   Uninet S.A. de C.V., MX
  7545       4406         3973   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3778         3758   ALJAWWALSTC-AS, SA
 12479       4206         3674   UNI2-AS, ES
 10620       3602         3366   Telmex Colombia S.A., CO
  6327       3431         3346   SHAW - Shaw Communications Inc., CA
 22773       3299         3152   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551       2869         2826   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  7552       2871         2798   VIETEL-AS-AP Viettel Group, VN
 11830       2649         2572   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
  64514   PRIVATE      5.42.231.0/24        35753       ITC ITC AS number, SA
 230105   UNALLOCATED  38.110.79.0/24       23015       CMC180-TOR-AS - Cambridge Merc
  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
  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
  64121   UNALLOCATED  98.159.12.0/24       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
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
41.76.136.0/24       37500    -Reserved AS-, ZZ
41.76.138.0/24       37500    -Reserved AS-, ZZ
41.76.139.0/24       37500    -Reserved AS-, ZZ
41.76.140.0/22       37500    -Reserved AS-, ZZ
41.76.140.0/24       37500    -Reserved AS-, ZZ
41.76.141.0/24       37500    -Reserved AS-, ZZ
41.76.142.0/24       37500    -Reserved AS-, ZZ
41.76.143.0/24       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     /12:290     
/13:566     /14:1093    /15:1904    /16:13375   /17:7900    /18:13645   
/19:25191   /20:39380   /21:45456   /22:87378   /23:70654   /24:392642  
/25:847     /26:644     /27:644     /28:36      /29:20      /30:18      
/31:4       /32:53      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN   No of nets  Total ann.  Description
  6327     3218          3431    SHAW - Shaw Communications Inc., CA
 12479     2990          4206    UNI2-AS, ES
 39891     2946          3778    ALJAWWALSTC-AS, SA
 22773     2554          3299    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551     2331          2869    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 18566     2065          2172    MEGAPATH5-US - MegaPath Corporation, US
 11830     1997          2649    Instituto Costarricense de Electricidad y Telec
 11492     1926          2183    CABLEONE - CABLE ONE, INC., US
 30036     1740          1989    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1613          3602    Telmex Colombia S.A., CO

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:1588      2:849       4:19        5:2810      6:65        7:1      
   8:1126     12:1861     13:189      14:1743     15:28       16:3      
  17:206      18:66       20:49       21:6        23:2658     24:2227   
  25:2        27:2349     31:1982     32:90       35:27       36:509    
  37:2752     38:1466     39:262      40:121      41:3187     42:588    
  43:1923     44:119      45:4613     46:3049     47:199      49:1322   
  50:1055     51:314      52:1041     54:369      55:3        56:12     
  57:41       58:1603     59:994      60:432      61:2162     62:1831   
  63:1800     64:5036     65:2220     66:4707     67:2439     68:1162   
  69:3199     70:1143     71:566      72:2112     74:2734     75:414    
  76:453      77:1542     78:1704     79:1837     80:1505     81:1394   
  82:1073     83:783      84:1043     85:2048     86:578      87:1333   
  88:930      89:2356     90:212      91:6367     92:1200     93:2365   
  94:2393     95:2818     96:721      97:357      98:947      99:133    
 100:81      101:1282    102:60      103:17764   104:3632    105:246    
 106:618     107:1891    108:699     109:3481    110:1628    111:1778   
 112:1266    113:1258    114:1120    115:1643    116:1649    117:1730   
 118:2156    119:1647    120:980     121:1051    122:2440    123:1801   
 124:1433    125:1902    128:1021    129:649     130:453     131:1587   
 132:660     133:195     134:1025    135:224     136:474     137:547    
 138:1969    139:597     140:407     141:706     142:818     143:993    
 144:802     145:465     146:1190    147:717     148:1635    149:733    
 150:728     151:1059    152:781     153:312     154:1100    155:760    
 156:963     157:790     158:650     159:1741    160:945     161:764    
 162:2586    163:564     164:1052    165:1603    166:455     167:1406   
 168:3078    169:805     170:3711    171:436     172:1065    173:1985   
 174:906     175:774     176:1891    177:4043    178:2454    179:1209   
 180:2213    181:2232    182:2361    183:1166    184:1029    185:13559  
 186:3559    187:2376    188:2832    189:2047    190:8120    191:1437   
 192:9842    193:5958    194:4789    195:3974    196:2555    197:1493   
 198:5522    199:5920    200:7377    201:5017    202:10456   203:10217  
 204:4571    205:2902    206:3106    207:3197    208:4006    209:3952   
 210:4042    211:2112    212:3043    213:2735    214:970     215:61     
 216:5960    217:2127    218:908     219:613     220:1760    221:986    
 222:1027    223:1259   

End of report


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