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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
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG 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 30 Mar, 2019

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

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

BGP routing table entries examined:                              742948
    Prefixes after maximum aggregation (per Origin AS):          285249
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      358190
Total ASes present in the Internet Routing Table:                 63769
    Prefixes per ASN:                                             11.65
Origin-only ASes present in the Internet Routing Table:           54888
Origin ASes announcing only one prefix:                           23710
Transit ASes present in the Internet Routing Table:                8881
Transit-only ASes present in the Internet Routing Table:            269
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      34
    Max AS path prepend of ASN ( 25081)                              32
Prefixes from unregistered ASNs in the Routing Table:                29
    Number of instances of unregistered ASNs:                        32
Number of 32-bit ASNs allocated by the RIRs:                      26387
Number of 32-bit ASNs visible in the Routing Table:               21522
Prefixes from 32-bit ASNs in the Routing Table:                   94294
Number of bogon 32-bit ASNs visible in the Routing Table:            28
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            267
Number of addresses announced to Internet:                   2845039488
    Equivalent to 169 /8s, 147 /16s and 219 /24s
    Percentage of available address space announced:               76.8
    Percentage of allocated address space announced:               76.8
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.2
Total number of prefixes smaller than registry allocations:      248634

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

Prefixes being announced by APNIC Region ASes:                   200727
    Total APNIC prefixes after maximum aggregation:               57903
    APNIC Deaggregation factor:                                    3.47
Prefixes being announced from the APNIC address blocks:          197663
    Unique aggregates announced from the APNIC address blocks:    82276
APNIC Region origin ASes present in the Internet Routing Table:    9640
    APNIC Prefixes per ASN:                                       20.50
APNIC Region origin ASes announcing only one prefix:               2717
APNIC Region transit ASes present in the Internet Routing Table:   1422
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         30
Number of APNIC region 32-bit ASNs visible in the Routing Table:   4617
Number of APNIC addresses announced to Internet:              769678720
    Equivalent to 45 /8s, 224 /16s and 93 /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, 131072-139577
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:                    219503
    Total ARIN prefixes after maximum aggregation:               103821
    ARIN Deaggregation factor:                                     2.11
Prefixes being announced from the ARIN address blocks:           218452
    Unique aggregates announced from the ARIN address blocks:    104995
ARIN Region origin ASes present in the Internet Routing Table:    18421
    ARIN Prefixes per ASN:                                        11.86
ARIN Region origin ASes announcing only one prefix:                6869
ARIN Region transit ASes present in the Internet Routing Table:    1884
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2638
Number of ARIN addresses announced to Internet:              1079403648
    Equivalent to 64 /8s, 86 /16s and 100 /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, 393216-399260
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:                    205008
    Total RIPE prefixes after maximum aggregation:                97638
    RIPE Deaggregation factor:                                     2.10
Prefixes being announced from the RIPE address blocks:           201350
    Unique aggregates announced from the RIPE address blocks:    119435
RIPE Region origin ASes present in the Internet Routing Table:    25936
    RIPE Prefixes per ASN:                                         7.76
RIPE Region origin ASes announcing only one prefix:               11511
RIPE Region transit ASes present in the Internet Routing Table:    3677
Average RIPE Region AS path length visible:                         4.6
    Max RIPE Region AS path length visible:                          34
Number of RIPE region 32-bit ASNs visible in the Routing Table:    7962
Number of RIPE addresses announced to Internet:               718072960
    Equivalent to 42 /8s, 204 /16s and 236 /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
                       196608-210331
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:                   96714
    Total LACNIC prefixes after maximum aggregation:              21583
    LACNIC Deaggregation factor:                                   4.48
Prefixes being announced from the LACNIC address blocks:          98073
    Unique aggregates announced from the LACNIC address blocks:   42028
LACNIC Region origin ASes present in the Internet Routing Table:   8223
    LACNIC Prefixes per ASN:                                      11.93
LACNIC Region origin ASes announcing only one prefix:              2179
LACNIC Region transit ASes present in the Internet Routing Table:  1533
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        27
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  5768
Number of LACNIC addresses announced to Internet:             173549824
    Equivalent to 10 /8s, 88 /16s and 41 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-270748 + 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:                  20966
    Total AfriNIC prefixes after maximum aggregation:              4282
    AfriNIC Deaggregation factor:                                  4.90
Prefixes being announced from the AfriNIC address blocks:         27143
    Unique aggregates announced from the AfriNIC address blocks:   9218
AfriNIC Region origin ASes present in the Internet Routing Table:  1262
    AfriNIC Prefixes per ASN:                                     21.51
AfriNIC Region origin ASes announcing only one prefix:              434
AfriNIC Region transit ASes present in the Internet Routing Table:  246
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  537
Number of AfriNIC addresses announced to Internet:            104060672
    Equivalent to 6 /8s, 51 /16s and 215 /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
  7545         4720        545     547  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         4660       4192      74  ERX-CERNET-BKB China Education and Rese
  7552         3125       1297      53  VIETEL-AS-AP Viettel Group, VN
 45899         3034       1733     110  VNPT-AS-VN VNPT Corp, VN
  9829         2708       1490     563  BSNL-NIB National Internet Backbone, IN
  4766         2612      11120     761  KIXS-AS-KR Korea Telecom, KR
  9808         2435       8699      27  CMNET-GD Guangdong Mobile Communication
  9394         2183       4906      31  CTTNET China TieTong Telecommunications
  4755         2148        429     186  TATACOMM-AS TATA Communications formerl
  9498         2030        426     167  BBIL-AP BHARTI Airtel Ltd., IN

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
 11492         3605        234     580  CABLEONE - CABLE ONE, INC., US
  6327         3600       1325      94  SHAW - Shaw Communications Inc., CA
 22773         3382       2976     162  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 16509         2612       5902    1080  AMAZON-02 - Amazon.com, Inc., US
 16625         2345       1293    1788  AKAMAI-AS - Akamai Technologies, Inc., 
 20115         2151       2747     535  CHARTER-20115 - Charter Communications,
 30036         2143        353     142  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 18566         2111        405     108  MEGAPATH5-US - MegaPath Corporation, US
  5650         2086       3074    1462  FRONTIER-FRTR - Frontier Communications
   209         2065       5103     576  CENTURYLINK-US-LEGACY-QWEST - CenturyLi

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         5432       1628     139  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  8551         3265        378      45  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2643        537    1914  AKAMAI-ASN1, US
 12389         2225       2221     636  ROSTELECOM-AS, RU
 34984         2073        342     536  TELLCOM-AS, TR
  9121         1683       1693      19  TTNET, TR
 13188         1605        100      47  TRIOLAN, UA
  9009         1410        146     767  M247, GB
  8402         1249        545      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
  8151         5654       3337     588  Uninet S.A. de C.V., MX
 10620         3484        537     369  Telmex Colombia S.A., CO
 11830         2705        384      34  Instituto Costarricense de Electricidad
  7303         1449        987     252  Telecom Argentina S.A., AR
  6503         1369        433      53  Axtel, S.A.B. de C.V., MX
 28573         1328       2248     179  CLARO S.A., BR
  6147         1254        377      29  Telefonica del Peru S.A.A., PE
  3816         1023        506     114  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 13999          956        522     248  Mega Cable, S.A. de C.V., MX
 11172          953        144      66  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         1176        393      21  LINKdotNET-AS, EG
 37611          892        107       9  Afrihost, ZA
 36903          827        416     126  MT-MPLS, MA
 36992          825       1531      71  ETISALAT-MISR, EG
 24835          824        620      22  RAYA-AS, EG
  8452          683       1731      19  TE-AS TE-AS, EG
 29571          484         70      12  ORANGE-COTE-IVOIRE, CI
 37492          470        470      57  ORANGE-, TN
 15706          421         32       6  Sudatel, SD
 37342          420         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
  8151         5654       3337     588  Uninet S.A. de C.V., MX
 12479         5432       1628     139  UNI2-AS, ES
  7545         4720        545     547  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         4660       4192      74  ERX-CERNET-BKB China Education and Rese
 39891         3778        203      20  ALJAWWALSTC-AS, SA
 11492         3605        234     580  CABLEONE - CABLE ONE, INC., US
  6327         3600       1325      94  SHAW - Shaw Communications Inc., CA
 10620         3484        537     369  Telmex Colombia S.A., CO
 22773         3382       2976     162  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  8551         3265        378      45  BEZEQ-INTERNATIONAL-AS Bezeqint Interne

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

Global Per AS Maximum Aggr summary
----------------------------------

  ASN   No of nets  Net Savings  Description
 12479       5432         5293   UNI2-AS, ES
  4538       4660         4586   ERX-CERNET-BKB China Education and Research Net
  7545       4720         4173   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3778         3758   ALJAWWALSTC-AS, SA
  6327       3600         3506   SHAW - Shaw Communications Inc., CA
 22773       3382         3220   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551       3265         3220   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 10620       3484         3115   Telmex Colombia S.A., CO
  7552       3125         3072   VIETEL-AS-AP Viettel Group, VN
 11492       3605         3025   CABLEONE - CABLE ONE, INC., US

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

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS    Designation  Network              Transit AS  Description
 230105   UNALLOCATED  38.110.79.0/24       23015       CMC180-TOR-AS - Cambridge Merc
 266842   UNALLOCATED  45.238.156.0/22     265680       HNTELCO S.A, HN
  65550   DOCUMENT     81.8.34.0/24         15924       BORUSANTELEKOM-AS, TR
  65550   DOCUMENT     81.8.35.0/24         15924       BORUSANTELEKOM-AS, TR
1358592   UNALLOCATED  103.134.14.0/23      63956       COLO-AS-AP Colocation Australi
1358592   UNALLOCATED  103.134.14.0/24      63956       COLO-AS-AP Colocation Australi
1358592   UNALLOCATED  103.134.15.0/24      63956       COLO-AS-AP Colocation Australi
  65550   DOCUMENT     104.232.236.0/24    138005       LENOVO-AS1-AP LENOVO (HONG KON
  65549   DOCUMENT     117.239.163.0/24     65544       UNKNOWN
  64339   UNALLOCATED  143.0.108.0/22       18747       IFX18747 - IFX Corporation, US

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

Advertised Unallocated Addresses
--------------------------------

Network            Origin AS  Description
5.180.104.0/24      209737    MERICHOSTING, TR
5.180.105.0/24      209737    MERICHOSTING, TR
5.180.106.0/24      209737    MERICHOSTING, TR
5.180.107.0/24      209737    MERICHOSTING, TR
27.100.7.0/24        56096    UNKNOWN
27.126.156.0/22      55827    UNKNOWN
27.126.156.0/23      55827    UNKNOWN
27.126.158.0/23      55827    UNKNOWN
41.76.136.0/22       37500    -Reserved AS-, ZZ
41.76.140.0/22       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        /8:12       /9:10      /10:36      /11:100     /12:291     
/13:567     /14:1136    /15:1909    /16:13349   /17:7956    /18:13904   
/19:25672   /20:39960   /21:46165   /22:92979   /23:75705   /24:422219  
/25:978     /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN   No of nets  Total ann.  Description
 12479     4345          5432    UNI2-AS, ES
  6327     3374          3600    SHAW - Shaw Communications Inc., CA
 39891     2946          3778    ALJAWWALSTC-AS, SA
 11492     2819          3605    CABLEONE - CABLE ONE, INC., US
  8551     2718          3265    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773     2620          3382    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 11830     2050          2705    Instituto Costarricense de Electricidad y Telec
 18566     2006          2111    MEGAPATH5-US - MegaPath Corporation, US
 30036     1890          2143    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
  5650     1754          2086    FRONTIER-FRTR - Frontier Communications of Amer

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

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

   1:1610      2:927       4:22        5:2954      6:45        7:1      
   8:1284      9:1        11:3        12:1845     13:322      14:1969   
  15:36       16:4        17:241      18:58       20:49       23:2652   
  24:2528     25:2        27:2503     31:2095     32:97       35:36     
  36:851      37:3027     38:1707     39:294      40:120      41:3250   
  42:757      43:2018     44:148      45:7062     46:3245     47:254    
  49:1361     50:1101     51:322      52:1031     54:289      55:2      
  56:9        57:42       58:1788     59:1072     60:505      61:2126   
  62:2114     63:1814     64:4949     65:2211     66:4840     67:2701   
  68:1170     69:3526     70:1327     71:603      72:2447     74:2753   
  75:514      76:550      77:1718     78:1766     79:2323     80:1813   
  81:1510     82:1134     83:902      84:1114     85:2295     86:554    
  87:1569     88:1050     89:2572     90:219      91:6581     92:1377   
  93:2447     94:2553     95:3206     96:923      97:345      98:949    
  99:210     100:87      101:1153    102:489     103:20775   104:3520   
 105:248     106:846     107:1781    108:691     109:3742    110:1642   
 111:1901    112:1485    113:1392    114:1140    115:1731    116:1721   
 117:1900    118:2180    119:1645    120:1025    121:1037    122:2351   
 123:1660    124:1472    125:1981    128:1264    129:815     130:532    
 131:1676    132:733     133:219     134:1052    135:242     136:563    
 137:715     138:2042    139:844     140:577     141:855     142:797    
 143:1057    144:841     145:509     146:1265    147:834     148:1716   
 149:818     150:784     151:1010    152:1042    153:322     154:2819   
 155:902     156:1679    157:941     158:640     159:1919    160:1514   
 161:921     162:2699    163:800     164:1161    165:1562    166:439    
 167:1393    168:3291    169:868     170:4152    171:568     172:1127   
 173:2201    174:1035    175:917     176:2354    177:4196    178:2542   
 179:1465    180:2176    181:2398    182:2662    183:1074    184:1199   
 185:14899   186:3656    187:2475    188:2877    189:1981    190:8303   
 191:1528    192:10027   193:6662    194:5401    195:4077    196:3024   
 197:1747    198:5867    199:5987    200:7239    201:5106    202:10386  
 203:10112   204:4547    205:3008    206:3225    207:3258    208:3967   
 209:4239    210:3927    211:2008    212:3131    213:2928    214:1091   
 215:55      216:5939    217:2234    218:880     219:580     220:1875   
 221:968     222:988     223:1370   

End of report