Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Jun 23 18:02:44 CST 2017


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, AusNOG, SANOG, PacNOG,
MENOG, SAFNOG, SdNOG, BJNOG, CaribNOG and the RIPE Routing WG.

Daily listings are sent to bgp-stats at lists.apnic.net

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

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

Routing Table Report   04:00 +10GMT Sat 24 Jun, 2017

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

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

BGP routing table entries examined:                              652252
    Prefixes after maximum aggregation (per Origin AS):          253804
    Deaggregation factor:                                          2.57
    Unique aggregates announced (without unneeded subnets):      314199
Total ASes present in the Internet Routing Table:                 57616
    Prefixes per ASN:                                             11.32
Origin-only ASes present in the Internet Routing Table:           49870
Origin ASes announcing only one prefix:                           22007
Transit ASes present in the Internet Routing Table:                7746
Transit-only ASes present in the Internet Routing Table:            221
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      41
    Max AS path prepend of ASN ( 55644)                              36
Prefixes from unregistered ASNs in the Routing Table:                50
    Numnber of instances of unregistered ASNs:                       54
Number of 32-bit ASNs allocated by the RIRs:                      19170
Number of 32-bit ASNs visible in the Routing Table:               14928
Prefixes from 32-bit ASNs in the Routing Table:                   60687
Number of bogon 32-bit ASNs visible in the Routing Table:            62
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            365
Number of addresses announced to Internet:                   2850215268
    Equivalent to 169 /8s, 226 /16s and 213 /24s
    Percentage of available address space announced:               77.0
    Percentage of allocated address space announced:               77.0
    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:      217120

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

Prefixes being announced by APNIC Region ASes:                   178941
    Total APNIC prefixes after maximum aggregation:               51343
    APNIC Deaggregation factor:                                    3.49
Prefixes being announced from the APNIC address blocks:          178085
    Unique aggregates announced from the APNIC address blocks:    73610
APNIC Region origin ASes present in the Internet Routing Table:    8215
    APNIC Prefixes per ASN:                                       21.68
APNIC Region origin ASes announcing only one prefix:               2309
APNIC Region transit ASes present in the Internet Routing Table:   1158
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         41
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3044
Number of APNIC addresses announced to Internet:              763609444
    Equivalent to 45 /8s, 131 /16s and 193 /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:                    198554
    Total ARIN prefixes after maximum aggregation:                94628
    ARIN Deaggregation factor:                                     2.10
Prefixes being announced from the ARIN address blocks:           200377
    Unique aggregates announced from the ARIN address blocks:     92081
ARIN Region origin ASes present in the Internet Routing Table:    17909
    ARIN Prefixes per ASN:                                        11.19
ARIN Region origin ASes announcing only one prefix:                6615
ARIN Region transit ASes present in the Internet Routing Table:    1777
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:    2051
Number of ARIN addresses announced to Internet:              1110770080
    Equivalent to 66 /8s, 53 /16s and 1 /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:                    175121
    Total RIPE prefixes after maximum aggregation:                85690
    RIPE Deaggregation factor:                                     2.04
Prefixes being announced from the RIPE address blocks:           170888
    Unique aggregates announced from the RIPE address blocks:    102704
RIPE Region origin ASes present in the Internet Routing Table:    24145
    RIPE Prefixes per ASN:                                         7.08
RIPE Region origin ASes announcing only one prefix:               11099
RIPE Region transit ASes present in the Internet Routing Table:    3397
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          33
Number of RIPE region 32-bit ASNs visible in the Routing Table:    5946
Number of RIPE addresses announced to Internet:               712074880
    Equivalent to 42 /8s, 113 /16s and 102 /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:                   82434
    Total LACNIC prefixes after maximum aggregation:              18319
    LACNIC Deaggregation factor:                                   4.50
Prefixes being announced from the LACNIC address blocks:          83737
    Unique aggregates announced from the LACNIC address blocks:   38492
LACNIC Region origin ASes present in the Internet Routing Table:   6049
    LACNIC Prefixes per ASN:                                      13.84
LACNIC Region origin ASes announcing only one prefix:              1656
LACNIC Region transit ASes present in the Internet Routing Table:  1115
Average LACNIC Region AS path length visible:                       5.4
    Max LACNIC Region AS path length visible:                        36
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  3566
Number of LACNIC addresses announced to Internet:             170779616
    Equivalent to 10 /8s, 45 /16s and 227 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-266652 + 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:                  17105
    Total AfriNIC prefixes after maximum aggregation:              3779
    AfriNIC Deaggregation factor:                                  4.53
Prefixes being announced from the AfriNIC address blocks:         18800
    Unique aggregates announced from the AfriNIC address blocks:   6987
AfriNIC Region origin ASes present in the Internet Routing Table:  1049
    AfriNIC Prefixes per ASN:                                     17.92
AfriNIC Region origin ASes announcing only one prefix:              327
AfriNIC Region transit ASes present in the Internet Routing Table:  202
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:  321
Number of AfriNIC addresses announced to Internet:             92555264
    Equivalent to 5 /8s, 132 /16s and 72 /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         5552       4190      74  ERX-CERNET-BKB China Education and Rese
  7545         3933        404     358  TPG-INTERNET-AP TPG Telecom Limited, AU
 17974         2976        902      73  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2809      11135     760  KIXS-AS-KR Korea Telecom, KR
  9829         2749       1499     540  BSNL-NIB National Internet Backbone, IN
  9808         2204       8699      34  CMNET-GD Guangdong Mobile Communication
  4755         2087        422     221  TATACOMM-AS TATA Communications formerl
 45899         2012       1407     107  VNPT-AS-VN VNPT Corp, VN
  7552         1628       1105      71  VIETEL-AS-AP Viettel Corporation, VN
  9498         1592        360     138  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
 22773         3809       2953     160  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3395       1333      81  SHAW - Shaw Communications Inc., CA
  6389         2064       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 18566         2053        405     109  MEGAPATH5-US - MegaPath Corporation, US
 20115         2009       2171     419  CHARTER-NET-HKY-NC - Charter Communicat
   209         1825       5069     641  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 16509         1808       3647     587  AMAZON-02 - Amazon.com, Inc., US
 30036         1791        325     307  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  6983         1695        854     231  ITCDELTA - Earthlink, Inc., US
   701         1563      10562     633  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         3338        187      22  ALJAWWALSTC-AS, SA
 20940         2897        964    2086  AKAMAI-ASN1, US
  8551         2892        377      40  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 34984         2026        329     393  TELLCOM-AS, TR
  9121         1963       1691      17  TTNET, TR
 12479         1610       1044      53  UNI2-AS, ES
 13188         1601         99      55  TRIOLAN, UA
 12389         1525       1408     627  ROSTELECOM-AS, RU
  6849         1225        355      21  UKRTELNET, UA
  8402         1155        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         3548        546     153  Telmex Colombia S.A., CO
  8151         2514       3402     576  Uninet S.A. de C.V., MX
 11830         2086        369      57  Instituto Costarricense de Electricidad
  7303         1571       1011     249  Telecom Argentina S.A., AR
  6503         1542        437      53  Axtel, S.A.B. de C.V., MX
  6147         1299        377      27  Telefonica del Peru S.A.A., PE
  3816         1026        501      94  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 28573          968       2298     188  CLARO S.A., BR
 11172          915        126      82  Alestra, S. de R.L. de C.V., MX
 18881          896       1052      23  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         1254        398      48  LINKdotNET-AS, EG
 37611          724         91       8  Afrihost, ZA
 36903          712        358     126  MT-MPLS, MA
 36992          643       1375      26  ETISALAT-MISR, EG
 24835          498        850      15  RAYA-AS, EG
 37492          407        320      75  ORANGE-, TN
 29571          401         36      10  CITelecom-AS, CI
 15399          353         35       7  WANANCHI-, KE
  8452          345       1730      17  TE-AS TE-AS, EG
  2018          300        327      74  TENET-1, ZA

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         5552       4190      74  ERX-CERNET-BKB China Education and Rese
  7545         3933        404     358  TPG-INTERNET-AP TPG Telecom Limited, AU
 22773         3809       2953     160  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3548        546     153  Telmex Colombia S.A., CO
  6327         3395       1333      81  SHAW - Shaw Communications Inc., CA
 39891         3338        187      22  ALJAWWALSTC-AS, SA
 17974         2976        902      73  TELKOMNET-AS2-AP PT Telekomunikasi Indo
 20940         2897        964    2086  AKAMAI-ASN1, US
  8551         2892        377      40  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  4766         2809      11135     760  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
 22773       3809         3649   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7545       3933         3575   TPG-INTERNET-AP TPG Telecom Limited, AU
 10620       3548         3395   Telmex Colombia S.A., CO
 39891       3338         3316   ALJAWWALSTC-AS, SA
  6327       3395         3314   SHAW - Shaw Communications Inc., CA
 17974       2976         2903   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  8551       2892         2852   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  9829       2749         2209   BSNL-NIB National Internet Backbone, IN
  9808       2204         2170   CMNET-GD Guangdong Mobile Communication Co.Ltd.
  4766       2809         2049   KIXS-AS-KR Korea Telecom, KR

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
  65000   PRIVATE      31.219.177.0/25       8966       ETISALAT-AS P.O. Box 1150, Dub
  65000   PRIVATE      31.219.177.128/25     8966       ETISALAT-AS P.O. Box 1150, Dub
  65010   PRIVATE      46.56.192.0/21       42772       VELCOM-AS, BY
  65010   PRIVATE      46.56.224.0/21       42772       VELCOM-AS, BY
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
  65538   DOCUMENT     64.27.253.0/24        1273       CW Vodafone Group PLC, GB
  65346   PRIVATE      94.50.36.0/22        31094       TTKNET Tyumen, Russia, RU
  64111   UNALLOCATED  98.159.5.0/24        19555       KMI-NETWORK - Kinder Morgan, I
  64111   UNALLOCATED  98.159.7.0/24        19555       KMI-NETWORK - Kinder Morgan, I

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
23.226.112.0/20      62788    -Reserved AS-, ZZ
27.100.7.0/24        56096    UNKNOWN
36.255.250.0/24      64091    UNKNOWN
41.76.232.0/21       62878    XLITT - Xlitt, US
41.77.248.0/21       62878    XLITT - Xlitt, US
41.78.12.0/23        62878    XLITT - Xlitt, US

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      /11:104     /12:280     
/13:547     /14:1049    /15:1848    /16:13482   /17:7630    /18:13448   
/19:24686   /20:38583   /21:41236   /22:77532   /23:64266   /24:365232  
/25:875     /26:612     /27:643     /28:43      /29:34      /30:27      
/31:3       /32:28      

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

   ASN   No of nets  Total ann.  Description
  6327     3187          3395    SHAW - Shaw Communications Inc., CA
 22773     2974          3809    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 39891     2898          3338    ALJAWWALSTC-AS, SA
  8551     2357          2892    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 18566     1946          2053    MEGAPATH5-US - MegaPath Corporation, US
 30036     1584          1791    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 11830     1476          2086    Instituto Costarricense de Electricidad y Telec
 10620     1473          3548    Telmex Colombia S.A., CO
 11492     1373          1518    CABLEONE - CABLE ONE, INC., US
  6389     1371          2064    BELLSOUTH-NET-BLK - BellSouth.net Inc., US

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

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

   1:1602      2:824       4:18        5:2437      6:34        8:1037   
  12:1834     13:120      14:1751     15:27       16:2        17:126    
  18:91       20:61       23:2373     24:1871     25:2        27:2445   
  31:1914     32:82       33:14       35:20       36:417      37:2346   
  38:1328     39:57       40:97       41:3026     42:483      43:1929   
  44:72       45:2820     46:2790     47:155      49:1233     50:989    
  51:18       52:830      54:362      55:7        56:4        57:42     
  58:1583     59:1052     60:391      61:1957     62:1603     63:1914   
  64:4547     65:2219     66:4550     67:2272     68:1241     69:3402   
  70:1149     71:586      72:2200     74:2687     75:386      76:432    
  77:1504     78:1462     79:2268     80:1407     81:1391     82:996    
  83:719      84:895      85:1750     86:478      87:1158     88:763    
  89:2101     90:176      91:6191     92:976      93:2384     94:2380   
  95:2710     96:632      97:354      98:1052     99:86      100:154    
 101:1198    103:15094   104:2935    105:182     106:503     107:1706   
 108:820     109:2903    110:1455    111:1726    112:1199    113:1255   
 114:1027    115:1720    116:1795    117:1702    118:2201    119:1608   
 120:1043    121:1109    122:2262    123:1827    124:1494    125:1898   
 128:791     129:648     130:431     131:1403    132:527     133:199    
 134:656     135:225     136:459     137:438     138:1941    139:494    
 140:395     141:592     142:759     143:892     144:795     145:182    
 146:1028    147:688     148:1436    149:573     150:700     151:978    
 152:707     153:304     154:815     155:751     156:604     157:645    
 158:453     159:1507    160:672     161:744     162:2526    163:537    
 164:799     165:1393    166:386     167:1249    168:2700    169:785    
 170:3400    171:319     172:1014    173:1931    174:809     175:749    
 176:1882    177:4064    178:2475    179:1144    180:2211    181:1898   
 182:2363    183:995     184:866     185:9985    186:3168    187:2232   
 188:2703    189:1805    190:8234    191:1366    192:9477    193:5789   
 194:4661    195:3914    196:2111    197:1295    198:5502    199:5897   
 200:7442    201:4319    202:10358   203:9980    204:4479    205:2821   
 206:3015    207:3112    208:3990    209:3928    210:3969    211:2145   
 212:2849    213:2497    214:879     215:66      216:5680    217:2110   
 218:861     219:600     220:1692    221:913     222:773     223:1178   


End of report


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