[lacnog] Weekly Routing Table Report

Routing Analysis Role Account cscora en apnic.net
Vie Feb 9 16:03:20 BRST 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, CaribNOG
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 10 Feb, 2018

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

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

BGP routing table entries examined:                              683940
    Prefixes after maximum aggregation (per Origin AS):          265286
    Deaggregation factor:                                          2.58
    Unique aggregates announced (without unneeded subnets):      330027
Total ASes present in the Internet Routing Table:                 59792
    Prefixes per ASN:                                             11.44
Origin-only ASes present in the Internet Routing Table:           51639
Origin ASes announcing only one prefix:                           22710
Transit ASes present in the Internet Routing Table:                8153
Transit-only ASes present in the Internet Routing Table:            244
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      35
    Max AS path prepend of ASN (262865)                              25
Prefixes from unregistered ASNs in the Routing Table:                62
    Number of instances of unregistered ASNs:                        62
Number of 32-bit ASNs allocated by the RIRs:                      21449
Number of 32-bit ASNs visible in the Routing Table:               17216
Prefixes from 32-bit ASNs in the Routing Table:                   71349
Number of bogon 32-bit ASNs visible in the Routing Table:            14
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            335
Number of addresses announced to Internet:                   2858858914
    Equivalent to 170 /8s, 102 /16s and 185 /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:      225953

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

Prefixes being announced by APNIC Region ASes:                   188822
    Total APNIC prefixes after maximum aggregation:               53851
    APNIC Deaggregation factor:                                    3.51
Prefixes being announced from the APNIC address blocks:          187878
    Unique aggregates announced from the APNIC address blocks:    77445
APNIC Region origin ASes present in the Internet Routing Table:    8634
    APNIC Prefixes per ASN:                                       21.76
APNIC Region origin ASes announcing only one prefix:               2446
APNIC Region transit ASes present in the Internet Routing Table:   1272
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         28
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3536
Number of APNIC addresses announced to Internet:              767608098
    Equivalent to 45 /8s, 192 /16s and 197 /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:                    204235
    Total ARIN prefixes after maximum aggregation:                97874
    ARIN Deaggregation factor:                                     2.09
Prefixes being announced from the ARIN address blocks:           205079
    Unique aggregates announced from the ARIN address blocks:     96641
ARIN Region origin ASes present in the Internet Routing Table:    18085
    ARIN Prefixes per ASN:                                        11.34
ARIN Region origin ASes announcing only one prefix:                6696
ARIN Region transit ASes present in the Internet Routing Table:    1799
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2308
Number of ARIN addresses announced to Internet:              1109188128
    Equivalent to 66 /8s, 28 /16s and 222 /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:                    184461
    Total RIPE prefixes after maximum aggregation:                90070
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           180786
    Unique aggregates announced from the RIPE address blocks:    108513
RIPE Region origin ASes present in the Internet Routing Table:    24866
    RIPE Prefixes per ASN:                                         7.27
RIPE Region origin ASes announcing only one prefix:               11318
RIPE Region transit ASes present in the Internet Routing Table:    3485
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:    6632
Number of RIPE addresses announced to Internet:               713714560
    Equivalent to 42 /8s, 138 /16s and 107 /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:                   88156
    Total LACNIC prefixes after maximum aggregation:              19487
    LACNIC Deaggregation factor:                                   4.52
Prefixes being announced from the LACNIC address blocks:          89484
    Unique aggregates announced from the LACNIC address blocks:   39901
LACNIC Region origin ASes present in the Internet Routing Table:   6824
    LACNIC Prefixes per ASN:                                      13.11
LACNIC Region origin ASes announcing only one prefix:              1886
LACNIC Region transit ASes present in the Internet Routing Table:  1264
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        35
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  4351
Number of LACNIC addresses announced to Internet:             172348384
    Equivalent to 10 /8s, 69 /16s and 211 /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:                  18202
    Total AfriNIC prefixes after maximum aggregation:              3957
    AfriNIC Deaggregation factor:                                  4.60
Prefixes being announced from the AfriNIC address blocks:         20378
    Unique aggregates announced from the AfriNIC address blocks:   7260
AfriNIC Region origin ASes present in the Internet Routing Table:  1112
    AfriNIC Prefixes per ASN:                                     18.33
AfriNIC Region origin ASes announcing only one prefix:              363
AfriNIC Region transit ASes present in the Internet Routing Table:  221
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:  389
Number of AfriNIC addresses announced to Internet:             95610624
    Equivalent to 5 /8s, 178 /16s and 231 /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         5435       4195      92  ERX-CERNET-BKB China Education and Rese
  7545         3781        406     411  TPG-INTERNET-AP TPG Telecom Limited, AU
  4766         2854      11132     769  KIXS-AS-KR Korea Telecom, KR
  9829         2788       1499     539  BSNL-NIB National Internet Backbone, IN
 17974         2762        934      77  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  9394         2634       4923      27  CTTNET China TieTong Telecommunications
  7552         2611       1161      63  VIETEL-AS-AP Viettel Group, VN
 45899         2583       1554     155  VNPT-AS-VN VNPT Corp, VN
  9808         2179       8699      32  CMNET-GD Guangdong Mobile Communication
  4755         2079        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         3392       1323      86  SHAW - Shaw Communications Inc., CA
 22773         3269       2951     143  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 18566         2167        405     108  MEGAPATH5-US - MegaPath Corporation, US
 20115         2086       2386     434  CHARTER-NET-HKY-NC - Charter Communicat
 16509         2001       4162     574  AMAZON-02 - Amazon.com, Inc., US
  6389         1937       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
   209         1933       5059     620  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 30036         1912        335     209  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 11492         1733        229     564  CABLEONE - CABLE ONE, INC., US
  7018         1683      20187    1249  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
 39891         3520        187      21  ALJAWWALSTC-AS, SA
 20940         2828        822    2049  AKAMAI-ASN1, US
 12479         2317       1149     357  UNI2-AS, ES
 12389         2104       1859     703  ROSTELECOM-AS, RU
  8551         2042        378      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 34984         2003        332     474  TELLCOM-AS, TR
  9121         1955       1692      19  TTNET, TR
 13188         1606        100      46  TRIOLAN, UA
  8402         1265        544      14  CORBINA-AS OJSC "Vimpelcom", RU
  6849         1240        355      21  UKRTELNET, UA

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         4154       3380     592  Uninet S.A. de C.V., MX
 10620         3590        541     254  Telmex Colombia S.A., CO
 11830         2637        370      66  Instituto Costarricense de Electricidad
  6503         1618        437      53  Axtel, S.A.B. de C.V., MX
  7303         1506       1026     191  Telecom Argentina S.A., AR
  6147         1020        377      27  Telefonica del Peru S.A.A., PE
 28573         1017       2242     192  CLARO S.A., BR
  3816         1015        509     115  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          920        126      85  Alestra, S. de R.L. de C.V., MX
 18881          906       1069      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         1131        398      49  LINKdotNET-AS, EG
 37611          797         91       8  Afrihost, ZA
 36903          739        371     135  MT-MPLS, MA
 36992          675       1380      37  ETISALAT-MISR, EG
  8452          584       1730      18  TE-AS TE-AS, EG
 24835          505        850      15  RAYA-AS, EG
 29571          461         68      12  ORANGE-COTE-IVOIRE, CI
 37492          450        368      78  ORANGE-, TN
 15399          360         35       7  WANANCHI-, KE
 37342          360         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         5435       4195      92  ERX-CERNET-BKB China Education and Rese
  8151         4154       3380     592  Uninet S.A. de C.V., MX
  7545         3781        406     411  TPG-INTERNET-AP TPG Telecom Limited, AU
 10620         3590        541     254  Telmex Colombia S.A., CO
 39891         3520        187      21  ALJAWWALSTC-AS, SA
  6327         3392       1323      86  SHAW - Shaw Communications Inc., CA
 22773         3269       2951     143  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  4766         2854      11132     769  KIXS-AS-KR Korea Telecom, KR
 20940         2828        822    2049  AKAMAI-ASN1, US
  9829         2788       1499     539  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       4154         3562   Uninet S.A. de C.V., MX
 39891       3520         3499   ALJAWWALSTC-AS, SA
  7545       3781         3370   TPG-INTERNET-AP TPG Telecom Limited, AU
 10620       3590         3336   Telmex Colombia S.A., CO
  6327       3392         3306   SHAW - Shaw Communications Inc., CA
 22773       3269         3126   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 17974       2762         2685   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  9394       2634         2607   CTTNET China TieTong Telecommunications Corpora
 11830       2637         2571   Instituto Costarricense de Electricidad y Telec
  7552       2611         2548   VIETEL-AS-AP Viettel Group, 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
  65249   PRIVATE      5.42.234.0/23        35753       ITC ITC AS number, SA
  65249   PRIVATE      5.42.234.0/24        35753       ITC ITC AS number, SA
  65456   PRIVATE      31.171.126.0/23     199311       AZRT-LX Local Internet Exchang
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
  64513   PRIVATE      62.150.101.0/24       9155       QNET Kuwait, KW
 419333   UNALLOCATED  84.17.91.0/24        41933       IPRAGAZ-AS Istanbul/ TURKEY, T
  65024   PRIVATE      87.103.234.0/24      39407       CHITATELECOM-AS, RU
  65000   PRIVATE      95.179.2.0/24        65001       -Private Use AS-, ZZ
  65000   PRIVATE      95.179.3.0/24        65001       -Private Use AS-, ZZ
  65000   PRIVATE      95.179.69.0/24       65001       -Private Use AS-, ZZ

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

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
41.78.180.0/23       37265    -Reserved AS-, ZZ
43.228.144.0/22       9829    BSNL-NIB National Internet Backbone, IN
43.251.20.0/22        9381    WTT-AS-AP WTT HK Limited, HK
43.251.84.0/22      133676    PNPL-AS Precious netcom pvt ltd, IN
43.251.84.0/23      133676    PNPL-AS Precious netcom pvt ltd, 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       /9:12      /10:37      /11:100     /12:290     
/13:563     /14:1093    /15:1899    /16:13313   /17:7789    /18:13645   
/19:25298   /20:38917   /21:44994   /22:84062   /23:68095   /24:381610  
/25:820     /26:600     /27:652     /28:34      /29:20      /30:18      
/31:4       /32:60      

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

   ASN   No of nets  Total ann.  Description
  6327     3183          3392    SHAW - Shaw Communications Inc., CA
 39891     2946          3520    ALJAWWALSTC-AS, SA
 22773     2533          3269    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2061          2167    MEGAPATH5-US - MegaPath Corporation, US
 11830     1983          2637    Instituto Costarricense de Electricidad y Telec
 30036     1669          1912    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1587          3590    Telmex Colombia S.A., CO
 11492     1517          1733    CABLEONE - CABLE ONE, INC., US
  8551     1505          2042    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  9121     1439          1955    TTNET, TR

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

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

   1:1572      2:845       4:18        5:2652      6:58        8:1098   
   9:1        12:1851     13:202      14:1757     15:26       16:3      
  17:184      18:65       20:49       21:3        23:2533     24:2058   
  25:2        27:2358     31:1958     32:89       35:24       36:489    
  37:2561     38:1454     39:245      40:101      41:3040     42:538    
  43:1952     44:95       45:3664     46:3045     47:199      49:1370   
  50:1040     51:47       52:940      54:352      55:4        56:7      
  57:42       58:1587     59:1018     60:386      61:2060     62:1796   
  63:1805     64:4702     65:2224     66:4509     67:2342     68:1179   
  69:3192     70:1135     71:560      72:2086     74:2685     75:398    
  76:421      77:1547     78:1676     79:1755     80:1479     81:1406   
  82:1069     83:777      84:996      85:1995     86:559      87:1241   
  88:913      89:2330     90:182      91:6280     92:1162     93:2379   
  94:2395     95:2734     96:645      97:358      98:930      99:118    
 100:79      101:1516    102:16      103:17120   104:3275    105:218    
 106:526     107:1792    108:707     109:2694    110:1578    111:1779   
 112:1313    113:1377    114:1134    115:1621    116:1637    117:1707   
 118:2200    119:1675    120:962     121:1061    122:2459    123:1805   
 124:1458    125:1836    128:1006    129:599     130:439     131:1629   
 132:609     133:193     134:1003    135:227     136:438     137:478    
 138:1975    139:565     140:401     141:678     142:778     143:984    
 144:803     145:450     146:1170    147:752     148:1532    149:718    
 150:738     151:987     152:751     153:311     154:983     155:754    
 156:832     157:776     158:624     159:1608    160:844     161:723    
 162:2545    163:525     164:994     165:1365    166:397     167:1390   
 168:3103    169:799     170:3655    171:412     172:1029    173:1912   
 174:877     175:766     176:1882    177:3900    178:2409    179:1169   
 180:2234    181:2128    182:2454    183:1110    184:905     185:12439  
 186:3434    187:2362    188:2639    189:2005    190:8116    191:1342   
 192:9766    193:5878    194:4771    195:3991    196:2360    197:1426   
 198:5531    199:5912    200:7325    201:4882    202:10370   203:9952   
 204:4537    205:2849    206:3050    207:3118    208:4000    209:3932   
 210:4016    211:2143    212:2928    213:2612    214:895     215:61     
 216:5842    217:2126    218:899     219:623     220:1722    221:997    
 222:1055    223:1239   

End of report


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