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[apops] Weekly Routing Table Report



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@lists.apnic.net

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

If you have any comments please contact Philip Smith <pfsinoz@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