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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, CaribNOG
TZNOG, 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 13 Jan, 2018

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

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

BGP routing table entries examined:                              679665
    Prefixes after maximum aggregation (per Origin AS):          263982
    Deaggregation factor:                                          2.57
    Unique aggregates announced (without unneeded subnets):      328696
Total ASes present in the Internet Routing Table:                 59575
    Prefixes per ASN:                                             11.41
Origin-only ASes present in the Internet Routing Table:           51428
Origin ASes announcing only one prefix:                           22672
Transit ASes present in the Internet Routing Table:                8147
Transit-only ASes present in the Internet Routing Table:            242
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      30
    Max AS path prepend of ASN ( 29046)                              25
Prefixes from unregistered ASNs in the Routing Table:                86
    Number of instances of unregistered ASNs:                        87
Number of 32-bit ASNs allocated by the RIRs:                      21152
Number of 32-bit ASNs visible in the Routing Table:               16973
Prefixes from 32-bit ASNs in the Routing Table:                   69846
Number of bogon 32-bit ASNs visible in the Routing Table:            16
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            401
Number of addresses announced to Internet:                   2860951458
    Equivalent to 170 /8s, 134 /16s and 167 /24s
    Percentage of available address space announced:               77.3
    Percentage of allocated address space announced:               77.3
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.8
Total number of prefixes smaller than registry allocations:      224867

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

Prefixes being announced by APNIC Region ASes:                   187440
    Total APNIC prefixes after maximum aggregation:               53596
    APNIC Deaggregation factor:                                    3.50
Prefixes being announced from the APNIC address blocks:          186513
    Unique aggregates announced from the APNIC address blocks:    77710
APNIC Region origin ASes present in the Internet Routing Table:    8580
    APNIC Prefixes per ASN:                                       21.74
APNIC Region origin ASes announcing only one prefix:               2440
APNIC Region transit ASes present in the Internet Routing Table:   1250
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         29
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3464
Number of APNIC addresses announced to Internet:              770376482
    Equivalent to 45 /8s, 235 /16s and 3 /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:                    202342
    Total ARIN prefixes after maximum aggregation:                97452
    ARIN Deaggregation factor:                                     2.08
Prefixes being announced from the ARIN address blocks:           203568
    Unique aggregates announced from the ARIN address blocks:     95703
ARIN Region origin ASes present in the Internet Routing Table:    18049
    ARIN Prefixes per ASN:                                        11.28
ARIN Region origin ASes announcing only one prefix:                6678
ARIN Region transit ASes present in the Internet Routing Table:    1790
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:    2291
Number of ARIN addresses announced to Internet:              1108559904
    Equivalent to 66 /8s, 19 /16s and 72 /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:                    183930
    Total RIPE prefixes after maximum aggregation:                89501
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           179866
    Unique aggregates announced from the RIPE address blocks:    107940
RIPE Region origin ASes present in the Internet Routing Table:    24810
    RIPE Prefixes per ASN:                                         7.25
RIPE Region origin ASes announcing only one prefix:               11342
RIPE Region transit ASes present in the Internet Routing Table:    3515
Average RIPE Region AS path length visible:                         4.5
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:    6558
Number of RIPE addresses announced to Internet:               713678464
    Equivalent to 42 /8s, 137 /16s and 222 /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:                   87875
    Total LACNIC prefixes after maximum aggregation:              19428
    LACNIC Deaggregation factor:                                   4.52
Prefixes being announced from the LACNIC address blocks:          89170
    Unique aggregates announced from the LACNIC address blocks:   39818
LACNIC Region origin ASes present in the Internet Routing Table:   6746
    LACNIC Prefixes per ASN:                                      13.22
LACNIC Region origin ASes announcing only one prefix:              1846
LACNIC Region transit ASes present in the Internet Routing Table:  1255
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        30
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  4270
Number of LACNIC addresses announced to Internet:             172560096
    Equivalent to 10 /8s, 73 /16s and 14 /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:                  17990
    Total AfriNIC prefixes after maximum aggregation:              3939
    AfriNIC Deaggregation factor:                                  4.57
Prefixes being announced from the AfriNIC address blocks:         20147
    Unique aggregates announced from the AfriNIC address blocks:   7227
AfriNIC Region origin ASes present in the Internet Routing Table:  1116
    AfriNIC Prefixes per ASN:                                     18.05
AfriNIC Region origin ASes announcing only one prefix:              365
AfriNIC Region transit ASes present in the Internet Routing Table:  221
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:  390
Number of AfriNIC addresses announced to Internet:             95352064
    Equivalent to 5 /8s, 174 /16s and 245 /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         5438       4195      92  ERX-CERNET-BKB China Education and Rese
  7545         3272        403     389  TPG-INTERNET-AP TPG Telecom Limited, AU
  4766         2866      11131     762  KIXS-AS-KR Korea Telecom, KR
 17974         2784        918      77  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  9829         2770       1499     540  BSNL-NIB National Internet Backbone, IN
  9394         2636       4923      27  CTTNET China TieTong Telecommunications
 45899         2554       1542     157  VNPT-AS-VN VNPT Corp, VN
  7552         2507       1159      50  VIETEL-AS-AP Viettel Group, VN
  9808         2105       8699      32  CMNET-GD Guangdong Mobile Communication
  4755         2083        417     209  TATACOMM-AS TATA Communications formerl

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

ARIN Region per AS prefix count summary
---------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
  6327         3337       1323      86  SHAW - Shaw Communications Inc., CA
 22773         3267       2951     146  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 18566         2168        405     108  MEGAPATH5-US - MegaPath Corporation, US
 20115         2072       2334     449  CHARTER-NET-HKY-NC - Charter Communicat
 16509         1998       4148     575  AMAZON-02 - Amazon.com, Inc., US
  6389         1957       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
   209         1913       5061     623  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 30036         1874        332     232  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 11492         1721        232     570  CABLEONE - CABLE ONE, INC., US
  7018         1680      20198    1250  ATT-INTERNET4 - AT&T Services, Inc., US

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

RIPE Region per AS prefix count summary
---------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
 39891         3520        187      21  ALJAWWALSTC-AS, SA
 20940         2853        842    2060  AKAMAI-ASN1, US
  8551         2273        378      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389         2096       1832     693  ROSTELECOM-AS, RU
 12479         2036       1082     159  UNI2-AS, ES
  9121         1993       1691      17  TTNET, TR
 34984         1977        330     472  TELLCOM-AS, TR
 13188         1605        100      46  TRIOLAN, UA
  8402         1235        544      14  CORBINA-AS OJSC "Vimpelcom", RU
  6849         1228        355      21  UKRTELNET, UA

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

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
  8151         3758       3433     598  Uninet S.A. de C.V., MX
 10620         3584        541     248  Telmex Colombia S.A., CO
 11830         2634        370      66  Instituto Costarricense de Electricidad
  6503         1626        437      53  Axtel, S.A.B. de C.V., MX
  7303         1498       1023     192  Telecom Argentina S.A., AR
  6147         1112        377      27  Telefonica del Peru S.A.A., PE
 28573         1020       2246     194  CLARO S.A., BR
  3816         1014        509     114  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          919        126      85  Alestra, S. de R.L. de C.V., MX
 18881          904       1065      27  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         1185        398      50  LINKdotNET-AS, EG
 37611          781         91       8  Afrihost, ZA
 36903          739        371     140  MT-MPLS, MA
 36992          688       1383      31  ETISALAT-MISR, EG
  8452          527       1730      18  TE-AS TE-AS, EG
 24835          487        786      17  RAYA-AS, EG
 37492          449        367      77  ORANGE-, TN
 29571          446         36      13  ORANGE-COTE-IVOIRE, CI
 37342          357         32       1  MOVITEL, MZ
 15399          350         35       7  WANANCHI-, KE

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         5438       4195      92  ERX-CERNET-BKB China Education and Rese
  8151         3758       3433     598  Uninet S.A. de C.V., MX
 10620         3584        541     248  Telmex Colombia S.A., CO
 39891         3520        187      21  ALJAWWALSTC-AS, SA
  6327         3337       1323      86  SHAW - Shaw Communications Inc., CA
  7545         3272        403     389  TPG-INTERNET-AP TPG Telecom Limited, AU
 22773         3267       2951     146  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  4766         2866      11131     762  KIXS-AS-KR Korea Telecom, KR
 20940         2853        842    2060  AKAMAI-ASN1, US
 17974         2784        918      77  TELKOMNET-AS2-AP PT Telekomunikasi Indo

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

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

  ASN   No of nets  Net Savings  Description
 39891       3520         3499   ALJAWWALSTC-AS, SA
 10620       3584         3336   Telmex Colombia S.A., CO
  6327       3337         3251   SHAW - Shaw Communications Inc., CA
  8151       3758         3160   Uninet S.A. de C.V., MX
 22773       3267         3121   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7545       3272         2883   TPG-INTERNET-AP TPG Telecom Limited, AU
 17974       2784         2707   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  9394       2636         2609   CTTNET China TieTong Telecommunications Corpora
 11830       2634         2568   Instituto Costarricense de Electricidad y Telec
  7552       2507         2457   VIETEL-AS-AP Viettel Group, VN

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

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

Bad AS    Designation  Network              Transit AS  Description
  65456   PRIVATE      31.171.126.0/23     199311       AZRT-LX Local Internet Exchang
  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
  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
 419333   UNALLOCATED  84.17.91.0/24        41933       IPRAGAZ-AS Istanbul/ TURKEY, T
  64609   PRIVATE      94.245.126.0/24       6584       MICROSOFT-GP-AS - Microsoft Co
  65000   PRIVATE      95.179.2.0/24        65001       -Private Use AS-, ZZ
  65000   PRIVATE      95.179.3.0/24        65001       -Private Use AS-, ZZ

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

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

Network            Origin AS  Description
14.128.14.0/23       10247    NETLINE, ZA
14.192.50.0/23       10247    NETLINE, ZA
14.192.58.0/23       10247    NETLINE, ZA
23.159.192.0/24      54726    AET - AET Hosting Solutions, Inc., US
27.100.7.0/24        56096    UNKNOWN
36.255.250.0/23      10247    NETLINE, ZA
41.78.180.0/23       37265    -Reserved AS-, ZZ
43.228.144.0/22       9829    BSNL-NIB National Internet Backbone, IN
43.251.20.0/22        9381    WTT-AS-AP WTT HK Limited, HK
43.251.84.0/22      133676    PNPL-AS Precious netcom pvt ltd, IN

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

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:15       /9:12      /10:37      /11:99      /12:279     
/13:558     /14:1088    /15:1894    /16:13413   /17:7770    /18:13689   
/19:25277   /20:38805   /21:44726   /22:83021   /23:67064   /24:379677  
/25:838     /26:606     /27:660     /28:36      /29:20      /30:17      
/31:4       /32:60      

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

   ASN   No of nets  Total ann.  Description
  6327     3129          3337    SHAW - Shaw Communications Inc., CA
 39891     2946          3520    ALJAWWALSTC-AS, SA
 22773     2528          3267    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2062          2168    MEGAPATH5-US - MegaPath Corporation, US
 11830     1980          2634    Instituto Costarricense de Electricidad y Telec
  8551     1736          2273    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036     1637          1874    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1578          3584    Telmex Colombia S.A., CO
 11492     1519          1721    CABLEONE - CABLE ONE, INC., US
  9121     1469          1993    TTNET, TR

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

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

   1:1579      2:822       4:18        5:2635      6:39        8:1098   
   9:1        12:1854     13:198      14:1762     15:29       16:3      
  17:186      18:76       20:51       21:1        23:2517     24:1927   
  25:2        27:2359     31:1959     32:88       35:22       36:475    
  37:2482     38:1439     39:228      40:100      41:3037     42:536    
  43:1935     44:89       45:3537     46:2968     47:192      49:1367   
  50:1055     51:47       52:918      54:354      55:4        56:7      
  57:43       58:1574     59:1010     60:370      61:2058     62:1781   
  63:1819     64:4667     65:2238     66:4477     67:2322     68:1174   
  69:3176     70:1132     71:562      72:2083     74:2664     75:395    
  76:423      77:1567     78:1625     79:1925     80:1477     81:1398   
  82:1101     83:875      84:1004     85:1983     86:568      87:1290   
  88:972      89:2516     90:179      91:6233     92:1098     93:2347   
  94:2510     95:2730     96:647      97:356      98:925      99:111    
 100:79      101:1535    102:14      103:16753   104:3228    105:212    
 106:522     107:1803    108:707     109:2755    110:1590    111:1729   
 112:1283    113:1384    114:1111    115:1593    116:1625    117:1675   
 118:2186    119:1677    120:914     121:1047    122:2450    123:1880   
 124:1482    125:1837    128:984     129:583     130:440     131:1640   
 132:601     133:194     134:1000    135:227     136:448     137:466    
 138:1974    139:548     140:388     141:684     142:768     143:966    
 144:799     145:196     146:1153    147:688     148:1487    149:712    
 150:714     151:980     152:753     153:310     154:970     155:744    
 156:743     157:752     158:602     159:1621    160:839     161:721    
 162:2546    163:522     164:975     165:1493    166:399     167:1381   
 168:3111    169:793     170:3641    171:403     172:1029    173:1885   
 174:863     175:777     176:1862    177:3965    178:2440    179:1184   
 180:2233    181:2139    182:2422    183:1066    184:900     185:12023  
 186:3487    187:2366    188:2610    189:1965    190:8179    191:1338   
 192:9746    193:5874    194:4772    195:3986    196:2346    197:1439   
 198:5517    199:5889    200:7279    201:4894    202:10367   203:9943   
 204:4538    205:2863    206:3040    207:3109    208:4006    209:3924   
 210:4003    211:2145    212:2952    213:2613    214:777     215:64     
 216:5778    217:2111    218:900     219:626     220:1729    221:997    
 222:1060    223:1226   

End of report