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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 03 Aug, 2019

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

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

BGP routing table entries examined:                              766119
    Prefixes after maximum aggregation (per Origin AS):          295002
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      368513
Total ASes present in the Internet Routing Table:                 65068
    Prefixes per ASN:                                             11.77
Origin-only ASes present in the Internet Routing Table:           55956
Origin ASes announcing only one prefix:                           23986
Transit ASes present in the Internet Routing Table:                9112
Transit-only ASes present in the Internet Routing Table:            287
Average AS path length visible in the Internet Routing Table:       4.5
    Max AS path length visible:                                      42
    Max AS path prepend of ASN ( 27978)                              31
Prefixes from unregistered ASNs in the Routing Table:                24
    Number of instances of unregistered ASNs:                        24
Number of 32-bit ASNs allocated by the RIRs:                      28103
Number of 32-bit ASNs visible in the Routing Table:               22950
Prefixes from 32-bit ASNs in the Routing Table:                  103973
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:            286
Number of addresses announced to Internet:                   2842112000
    Equivalent to 169 /8s, 103 /16s and 48 /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:               99.3
Total number of prefixes smaller than registry allocations:      256375

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

Prefixes being announced by APNIC Region ASes:                   206466
    Total APNIC prefixes after maximum aggregation:               61655
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          201513
    Unique aggregates announced from the APNIC address blocks:    84021
APNIC Region origin ASes present in the Internet Routing Table:    9933
    APNIC Prefixes per ASN:                                       20.29
APNIC Region origin ASes announcing only one prefix:               2753
APNIC Region transit ASes present in the Internet Routing Table:   1480
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         27
Number of APNIC region 32-bit ASNs visible in the Routing Table:   4936
Number of APNIC addresses announced to Internet:              771136640
    Equivalent to 45 /8s, 246 /16s and 156 /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, 131072-141625
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:                    226639
    Total ARIN prefixes after maximum aggregation:               105937
    ARIN Deaggregation factor:                                     2.14
Prefixes being announced from the ARIN address blocks:           225670
    Unique aggregates announced from the ARIN address blocks:    107080
ARIN Region origin ASes present in the Internet Routing Table:    18544
    ARIN Prefixes per ASN:                                        12.17
ARIN Region origin ASes announcing only one prefix:                6863
ARIN Region transit ASes present in the Internet Routing Table:    1914
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          42
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2840
Number of ARIN addresses announced to Internet:              1070847616
    Equivalent to 63 /8s, 211 /16s and 214 /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,  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:                    213722
    Total RIPE prefixes after maximum aggregation:               100218
    RIPE Deaggregation factor:                                     2.13
Prefixes being announced from the RIPE address blocks:           209894
    Unique aggregates announced from the RIPE address blocks:    123697
RIPE Region origin ASes present in the Internet Routing Table:    26301
    RIPE Prefixes per ASN:                                         7.98
RIPE Region origin ASes announcing only one prefix:               11623
RIPE Region transit ASes present in the Internet Routing Table:    3745
Average RIPE Region AS path length visible:                         4.5
    Max RIPE Region AS path length visible:                          35
Number of RIPE region 32-bit ASNs visible in the Routing Table:    8349
Number of RIPE addresses announced to Internet:               720526848
    Equivalent to 42 /8s, 242 /16s and 94 /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:                   98458
    Total LACNIC prefixes after maximum aggregation:              22827
    LACNIC Deaggregation factor:                                   4.31
Prefixes being announced from the LACNIC address blocks:          99765
    Unique aggregates announced from the LACNIC address blocks:   43960
LACNIC Region origin ASes present in the Internet Routing Table:   8686
    LACNIC Prefixes per ASN:                                      11.49
LACNIC Region origin ASes announcing only one prefix:              2285
LACNIC Region transit ASes present in the Internet Routing Table:  1596
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        39
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  6241
Number of LACNIC addresses announced to Internet:             173502976
    Equivalent to 10 /8s, 87 /16s and 114 /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:                  20809
    Total AfriNIC prefixes after maximum aggregation:              4345
    AfriNIC Deaggregation factor:                                  4.79
Prefixes being announced from the AfriNIC address blocks:         28991
    Unique aggregates announced from the AfriNIC address blocks:   9493
AfriNIC Region origin ASes present in the Internet Routing Table:  1302
    AfriNIC Prefixes per ASN:                                     22.27
AfriNIC Region origin ASes announcing only one prefix:              462
AfriNIC Region transit ASes present in the Internet Routing Table:  252
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  584
Number of AfriNIC addresses announced to Internet:            105849344
    Equivalent to 6 /8s, 79 /16s and 34 /24s
AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks  41/8,  45/8, 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         4879        591     567  TPG-INTERNET-AP TPG Telecom Limited, AU
  7552         3224       1459      31  VIETEL-AS-AP Viettel Group, VN
 45899         3056       1766     113  VNPT-AS-VN VNPT Corp, VN
  9808         2730       9043      63  CMNET-GD Guangdong Mobile Communication
  9829         2689       1488     559  BSNL-NIB National Internet Backbone, IN
  4766         2540      11119     761  KIXS-AS-KR Korea Telecom, KR
  7713         2225        670     594  TELKOMNET-AS-AP PT Telekomunikasi Indon
  4755         2156        442     192  TATACOMM-AS TATA Communications formerl
  9498         2150        430     209  BBIL-AP BHARTI Airtel Ltd., IN
  9394         2073       4898      24  CTTNET China TieTong Telecommunications

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
  7155         4064        280      25  VIASAT-SP-BACKBONE - ViaSat,Inc., US
 11492         3685        240     617  CABLEONE - CABLE ONE, INC., US
  6327         3541       1324      90  SHAW - Shaw Communications Inc., CA
 22773         3446       2974     157  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 16509         3056       6390    1441  AMAZON-02 - Amazon.com, Inc., US
 16625         2656       1394    1925  AKAMAI-AS - Akamai Technologies, Inc., 
 30036         2160        346     249  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 20115         2151       2755     525  CHARTER-20115 - Charter Communications,
 18566         2093        405     107  MEGAPATH5-US - MegaPath Corporation, US
  5650         2077       3073    1452  FRONTIER-FRTR - Frontier Communications

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         5476       1629     141  UNI2-AS, ES
 39891         3780        219      19  ALJAWWALSTC-AS, SA
  8551         3327        379      46  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2720        508    1931  AKAMAI-ASN1, US
 31334         2602        484      13  KABELDEUTSCHLAND-AS, DE
 12389         2362       2230     661  ROSTELECOM-AS, RU
 34984         2116        346     545  TELLCOM-AS, TR
  9009         1668        179     903  M247, GB
  9121         1610       1692      18  TTNET, TR
 13188         1604        100      47  TRIOLAN, 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         6203       3368     598  Uninet S.A. de C.V., MX
 10620         3384        533     455  Telmex Colombia S.A., CO
 11830         2691        370      54  Instituto Costarricense de Electricidad
  6503         1626        391     421  Axtel, S.A.B. de C.V., MX
  7303         1475       1022     281  Telecom Argentina S.A., AR
 28573         1158       2236     207  CLARO S.A., BR
  6147         1096        377      31  Telefonica del Peru S.A.A., PE
  3816         1044        526     122  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 13999          986        478     246  Mega Cable, S.A. de C.V., MX
 11172          935        111      59  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         1185        393      21  LINKdotNET-AS, EG
 24835          886        634      22  RAYA-AS, EG
 36992          852       1535      76  ETISALAT-MISR, EG
 36903          843        424     112  MT-MPLS, MA
  8452          666       1859      20  TE-AS TE-AS, EG
 29571          522         68      11  ORANGE-COTE-IVOIRE, CI
 37492          482        470      57  ORANGE-, TN
 37342          414         32       1  MOVITEL, MZ
 15399          388         45      11  WANANCHI-, KE
 23889          358        231      15  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
  8151         6203       3368     598  Uninet S.A. de C.V., MX
 12479         5476       1629     141  UNI2-AS, ES
  7545         4879        591     567  TPG-INTERNET-AP TPG Telecom Limited, AU
  7155         4064        280      25  VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891         3780        219      19  ALJAWWALSTC-AS, SA
 11492         3685        240     617  CABLEONE - CABLE ONE, INC., US
  6327         3541       1324      90  SHAW - Shaw Communications Inc., CA
 22773         3446       2974     157  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3384        533     455  Telmex Colombia S.A., CO
  8551         3327        379      46  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       5476         5335   UNI2-AS, ES
  7545       4879         4312   TPG-INTERNET-AP TPG Telecom Limited, AU
  7155       4064         4039   VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891       3780         3761   ALJAWWALSTC-AS, SA
  6327       3541         3451   SHAW - Shaw Communications Inc., CA
 22773       3446         3289   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551       3327         3281   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  7552       3224         3193   VIETEL-AS-AP Viettel Group, VN
 11492       3685         3068   CABLEONE - CABLE ONE, INC., US
 45899       3056         2943   VNPT-AS-VN VNPT Corp, 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
 230105   UNALLOCATED  38.110.79.0/24       23015       CMC180-TOR-AS - Cambridge Merc
 260984   UNALLOCATED  45.175.186.0/23      16735       ALGAR TELECOM S/A, BR
 266842   UNALLOCATED  45.238.156.0/22     265680       HNTELCO S.A, HN
  64511   DOCUMENT     66.154.208.0/21      32522       MULTNOMAH-ESD - Multnomah Educ
  64511   DOCUMENT     66.154.216.0/23      32522       MULTNOMAH-ESD - Multnomah Educ
  64511   DOCUMENT     66.154.218.0/24      32522       MULTNOMAH-ESD - Multnomah Educ
  65550   DOCUMENT     81.8.34.0/24         15924       BORUSANTELEKOM-AS, TR
  65550   DOCUMENT     81.8.35.0/24         15924       BORUSANTELEKOM-AS, TR
  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
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
36.255.24.0/24       40676    AS40676 - Psychz Networks, US
36.255.25.0/24       40676    AS40676 - Psychz Networks, US
36.255.26.0/24       40676    AS40676 - Psychz Networks, US
36.255.27.0/24       40676    AS40676 - Psychz Networks, US
41.76.140.0/22       37500    -Reserved AS-, ZZ
41.78.180.0/23       37265    -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        /8:10       /9:11      /10:38      /11:100     /12:293     
/13:571     /14:1131    /15:1900    /16:13265   /17:8030    /18:13920   
/19:25830   /20:40402   /21:47195   /22:95536   /23:77443   /24:439553  
/25:891     /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     4432          5476    UNI2-AS, ES
  6327     3330          3541    SHAW - Shaw Communications Inc., CA
  7155     3156          4064    VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891     2946          3780    ALJAWWALSTC-AS, SA
 11492     2888          3685    CABLEONE - CABLE ONE, INC., US
  8551     2780          3327    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773     2677          3446    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 31334     2491          2602    KABELDEUTSCHLAND-AS, DE
 11830     2039          2691    Instituto Costarricense de Electricidad y Telec
 18566     1988          2093    MEGAPATH5-US - MegaPath Corporation, US

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

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

   1:1716      2:1063      3:6         4:21        5:3081      6:47     
   7:1         8:1344      9:1        12:1790     13:389      14:2083   
  15:41       16:7        17:265      18:80       20:56       23:2853   
  24:2586     25:4        27:2440     31:2706     32:106      35:38     
  36:915      37:3130     38:1800     39:270      40:106      41:3228   
  42:833      43:2079     44:163      45:9283     46:3398     47:263    
  49:1377     50:1093     51:340      52:1011     54:273      55:675    
  56:6        57:47       58:1745     59:1098     60:562      61:2178   
  62:1969     63:1854     64:5001     65:2226     66:4784     67:2726   
  68:1177     69:3570     70:1383     71:662      72:2684     74:2703   
  75:1294     76:570      77:2553     78:1859     79:2373     80:1839   
  81:1490     82:1141     83:950      84:1151     85:2309     86:549    
  87:1533     88:1053     89:2547     90:223      91:6594     92:1446   
  93:2477     94:2501     95:3628     96:945      97:340      98:957    
  99:811     100:88      101:1189    102:597     103:21796   104:3624   
 105:277     106:809     107:1782    108:697     109:3789    110:1734   
 111:2003    112:1549    113:1409    114:1274    115:1738    116:1751   
 117:1950    118:2203    119:1644    120:1061    121:1064    122:2287   
 123:1799    124:1502    125:2030    128:1377    129:850     130:538    
 131:1831    132:801     133:220     134:1097    135:257     136:586    
 137:792     138:2081    139:916     140:616     141:884     142:783    
 143:1060    144:871     145:277     146:1372    147:839     148:1759   
 149:1008    150:810     151:1018    152:1111    153:344     154:4545   
 155:883     156:1941    157:1057    158:683     159:1947    160:1603   
 161:958     162:2982    163:828     164:1243    165:1179    166:514    
 167:1406    168:3465    169:478     170:4194    171:614     172:1688   
 173:2210    174:1042    175:997     176:2459    177:4093    178:2739   
 179:1399    180:2143    181:2358    182:2752    183:1110    184:2286   
 185:15447   186:3669    187:2491    188:3468    189:2016    190:8192   
 191:1465    192:10086   193:6754    194:5509    195:4179    196:3051   
 197:1778    198:5933    199:5977    200:7190    201:5128    202:10421  
 203:10235   204:4563    205:3059    206:3224    207:3261    208:3943   
 209:4288    210:3932    211:2028    212:3238    213:2971    214:1129   
 215:55      216:5921    217:2229    218:883     219:601     220:1921   
 221:969     222:975     223:1365   

End of report