APNIC Home APNIC Home
Info & FAQ |  Resource services |  Training |  Meetings |  Membership |  Documents |  Whois & Search |  Internet community

You're here:  Home  Mailing Lists apops 


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[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 23 Nov, 2019

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

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

BGP routing table entries examined:                              783901
    Prefixes after maximum aggregation (per Origin AS):          298712
    Deaggregation factor:                                          2.62
    Unique aggregates announced (without unneeded subnets):      377892
Total ASes present in the Internet Routing Table:                 66249
    Prefixes per ASN:                                             11.83
Origin-only ASes present in the Internet Routing Table:           56919
Origin ASes announcing only one prefix:                           24291
Transit ASes present in the Internet Routing Table:                9330
Transit-only ASes present in the Internet Routing Table:            282
Average AS path length visible in the Internet Routing Table:       4.5
    Max AS path length visible:                                      36
    Max AS path prepend of ASN ( 44555)                              27
Prefixes from unregistered ASNs in the Routing Table:                31
    Number of instances of unregistered ASNs:                        32
Number of 32-bit ASNs allocated by the RIRs:                      29643
Number of 32-bit ASNs visible in the Routing Table:               24262
Prefixes from 32-bit ASNs in the Routing Table:                  110463
Number of bogon 32-bit ASNs visible in the Routing Table:            15
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            301
Number of addresses announced to Internet:                   2839032192
    Equivalent to 169 /8s, 56 /16s and 49 /24s
    Percentage of available address space announced:               76.7
    Percentage of allocated address space announced:               76.7
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.4
Total number of prefixes smaller than registry allocations:      261381

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

Prefixes being announced by APNIC Region ASes:                   210253
    Total APNIC prefixes after maximum aggregation:               61101
    APNIC Deaggregation factor:                                    3.44
Prefixes being announced from the APNIC address blocks:          204406
    Unique aggregates announced from the APNIC address blocks:    85009
APNIC Region origin ASes present in the Internet Routing Table:   10190
    APNIC Prefixes per ASN:                                       20.06
APNIC Region origin ASes announcing only one prefix:               2826
APNIC Region transit ASes present in the Internet Routing Table:   1520
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         25
Number of APNIC region 32-bit ASNs visible in the Routing Table:   5216
Number of APNIC addresses announced to Internet:              771558016
    Equivalent to 45 /8s, 253 /16s and 10 /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:                    230534
    Total ARIN prefixes after maximum aggregation:               107047
    ARIN Deaggregation factor:                                     2.15
Prefixes being announced from the ARIN address blocks:           227855
    Unique aggregates announced from the ARIN address blocks:    109054
ARIN Region origin ASes present in the Internet Routing Table:    18644
    ARIN Prefixes per ASN:                                        12.22
ARIN Region origin ASes announcing only one prefix:                6915
ARIN Region transit ASes present in the Internet Routing Table:    1926
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    3017
Number of ARIN addresses announced to Internet:              1068840960
    Equivalent to 63 /8s, 181 /16s and 56 /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:                    219328
    Total RIPE prefixes after maximum aggregation:               102845
    RIPE Deaggregation factor:                                     2.13
Prefixes being announced from the RIPE address blocks:           216181
    Unique aggregates announced from the RIPE address blocks:    128262
RIPE Region origin ASes present in the Internet Routing Table:    26655
    RIPE Prefixes per ASN:                                         8.11
RIPE Region origin ASes announcing only one prefix:               11706
RIPE Region transit ASes present in the Internet Routing Table:    3767
Average RIPE Region AS path length visible:                         4.5
    Max RIPE Region AS path length visible:                          34
Number of RIPE region 32-bit ASNs visible in the Routing Table:    8729
Number of RIPE addresses announced to Internet:               719263232
    Equivalent to 42 /8s, 223 /16s and 22 /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:                  101850
    Total LACNIC prefixes after maximum aggregation:              23325
    LACNIC Deaggregation factor:                                   4.37
Prefixes being announced from the LACNIC address blocks:         103000
    Unique aggregates announced from the LACNIC address blocks:   45035
LACNIC Region origin ASes present in the Internet Routing Table:   9117
    LACNIC Prefixes per ASN:                                      11.30
LACNIC Region origin ASes announcing only one prefix:              2369
LACNIC Region transit ASes present in the Internet Routing Table:  1726
Average LACNIC Region AS path length visible:                       5.3
    Max LACNIC Region AS path length visible:                        36
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  6674
Number of LACNIC addresses announced to Internet:             173857792
    Equivalent to 10 /8s, 92 /16s and 220 /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:                  21904
    Total AfriNIC prefixes after maximum aggregation:              4369
    AfriNIC Deaggregation factor:                                  5.01
Prefixes being announced from the AfriNIC address blocks:         32158
    Unique aggregates announced from the AfriNIC address blocks:  10276
AfriNIC Region origin ASes present in the Internet Routing Table:  1344
    AfriNIC Prefixes per ASN:                                     23.93
AfriNIC Region origin ASes announcing only one prefix:              475
AfriNIC Region transit ASes present in the Internet Routing Table:  268
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                       23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  626
Number of AfriNIC addresses announced to Internet:            105194240
    Equivalent to 6 /8s, 69 /16s and 35 /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         5136        633     593  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         4681       4192      73  ERX-CERNET-BKB China Education and Rese
  7552         3268       1331      27  VIETEL-AS-AP Viettel Group, VN
 45899         3074       1776     116  VNPT-AS-VN VNPT Corp, VN
  9829         2823       1498     536  BSNL-NIB National Internet Backbone, IN
  7713         2701        798     487  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9808         2624       9043      63  CMNET-GD Guangdong Mobile Communication
  4766         2385      11111     668  KIXS-AS-KR Korea Telecom, KR
  9498         2208        433     213  BBIL-AP BHARTI Airtel Ltd., IN
  4755         2150        442     196  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
  7155         4055        280      27  VIASAT-SP-BACKBONE - ViaSat,Inc., US
 11492         3800        250     666  CABLEONE - CABLE ONE, INC., US
 16509         3714       7401    1649  AMAZON-02 - Amazon.com, Inc., US
 22773         3502       2970     156  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3358       1324      93  SHAW - Shaw Communications Inc., CA
 16625         2940       1543    2107  AKAMAI-AS - Akamai Technologies, Inc., 
 30036         2261        356     102  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
   209         2155       5071     527  CENTURYLINK-US-LEGACY-QWEST - CenturyLi
 20115         2134       2769     517  CHARTER-20115 - Charter Communications,
 18566         2065        405     103  MEGAPATH5-US - MegaPath Corporation, 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
 12479         5688       1635     135  UNI2-AS, ES
 39891         4034        219      19  ALJAWWALSTC-AS, SA
 31334         3298        484      13  KABELDEUTSCHLAND-AS, DE
  8551         2793        379      46  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2782        466    1941  AKAMAI-ASN1, US
 12389         2452       2235     704  ROSTELECOM-AS, RU
 34984         2160        350     539  TELLCOM-AS, TR
  9009         1945        209    1064  M247, GB
  9121         1935       1691      18  TTNET, TR
 13188         1605        100      46  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         6238       3326     618  Uninet S.A. de C.V., MX
 10620         3355        532     466  Telmex Colombia S.A., CO
 11830         2687        369      63  Instituto Costarricense de Electricidad
  6503         1685        323     390  Axtel, S.A.B. de C.V., MX
  7303         1480       1026     267  Telecom Argentina S.A., AR
 28573         1200       2232     196  CLARO S.A., BR
 13999         1119        494     244  Mega Cable, S.A. de C.V., MX
  3816         1113        560     137  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147         1102        380      37  Telefonica del Peru S.A.A., PE
 11172          934        110      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         1215        393      23  LINKdotNET-AS, EG
 36992         1028       1535      73  ETISALAT-MISR, EG
 24835          976        594      25  RAYA-AS, EG
 36903          868        438      95  MT-MPLS, MA
  8452          682       1857      19  TE-AS TE-AS, EG
  6713          627       1863      34  IAM-AS, MA
 29571          558         68      11  ORANGE-COTE-IVOIRE, CI
 37342          481         32       1  MOVITEL, MZ
 15399          410         45      10  WANANCHI-, KE
 23889          366        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         6238       3326     618  Uninet S.A. de C.V., MX
 12479         5688       1635     135  UNI2-AS, ES
  7545         5136        633     593  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         4681       4192      73  ERX-CERNET-BKB China Education and Rese
  7155         4055        280      27  VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891         4034        219      19  ALJAWWALSTC-AS, SA
 11492         3800        250     666  CABLEONE - CABLE ONE, INC., US
 16509         3714       7401    1649  AMAZON-02 - Amazon.com, Inc., US
 22773         3502       2970     156  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3358       1324      93  SHAW - Shaw Communications Inc., CA

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       5688         5553   UNI2-AS, ES
  4538       4681         4608   ERX-CERNET-BKB China Education and Research Net
  7545       5136         4543   TPG-INTERNET-AP TPG Telecom Limited, AU
  7155       4055         4028   VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891       4034         4015   ALJAWWALSTC-AS, SA
 22773       3502         3346   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 31334       3298         3285   KABELDEUTSCHLAND-AS, DE
  6327       3358         3265   SHAW - Shaw Communications Inc., CA
  7552       3268         3241   VIETEL-AS-AP Viettel Group, VN
 11492       3800         3134   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
  64501   DOCUMENT     45.174.25.0/24      267817       UNKNOWN
 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
  65550   DOCUMENT     81.8.34.0/24         15924       BORUSANTELEKOM-AS, TR
  65550   DOCUMENT     81.8.35.0/24         15924       BORUSANTELEKOM-AS, TR
  64339   UNALLOCATED  143.0.108.0/22       18747       IFX18747 - IFX Corporation, US
  64355   UNALLOCATED  156.40.196.0/24      30387       NIH-NET-NCCS - National Instit
  64011   UNALLOCATED  166.133.128.0/18     20057       ATT-MOBILITY-LLC-AS20057 - AT&
  64011   UNALLOCATED  166.133.192.0/18     20057       ATT-MOBILITY-LLC-AS20057 - AT&

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

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

Network            Origin AS  Description
23.136.224.0/24      15206    6X7 - 6x7 Networks LLC, ZZ
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
31.217.248.0/23     209372    IPMEN, GB
31.217.250.0/23     209372    IPMEN, GB
31.217.252.0/23     209372    IPMEN, GB
31.217.254.0/23     209372    IPMEN, GB
37.77.148.0/23      209372    IPMEN, GB

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      /10:39      /11:100     /12:290     
/13:578     /14:1159    /15:1918    /16:13303   /17:8026    /18:13756   
/19:25616   /20:40072   /21:47421   /22:97808   /23:79723   /24:452759  
/25:1312    /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     4648          5688    UNI2-AS, ES
 31334     3152          3298    KABELDEUTSCHLAND-AS, DE
  7155     3147          4055    VIASAT-SP-BACKBONE - ViaSat,Inc., US
  6327     3145          3358    SHAW - Shaw Communications Inc., CA
 11492     2953          3800    CABLEONE - CABLE ONE, INC., US
 39891     2946          4034    ALJAWWALSTC-AS, SA
 22773     2722          3502    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551     2252          2793    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11830     2034          2687    Instituto Costarricense de Electricidad y Telec
  8151     2018          6238    Uninet S.A. de C.V., MX

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

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

   1:1550      2:1125      3:12        4:21        5:3149      6:48     
   8:1365      9:1        12:1796     13:472      14:2190     15:54     
  16:9        17:276      18:79       20:56       23:3112     24:2597   
  25:4        27:2494     31:2785     32:104      35:37       36:928    
  37:3200     38:1799     39:311      40:133      41:3414     42:849    
  43:2104     44:188      45:12232    46:3251     47:270      49:1410   
  50:1135     51:343      52:1107     54:268      55:715      56:6      
  57:47       58:2047     59:1163     60:663      61:2224     62:2132   
  63:1913     64:5002     65:2306     66:4811     67:2744     68:1218   
  69:3598     70:1388     71:671      72:2755     74:2680     75:1421   
  76:661      77:2553     78:1956     79:2196     80:1810     81:1520   
  82:1190     83:971      84:1207     85:2457     86:581      87:1625   
  88:1051     89:2599     90:251      91:7361     92:1462     93:2450   
  94:2571     95:3672     96:932      97:340      98:957      99:962    
 100:82      101:1093    102:693     103:22682   104:3599    105:366    
 106:830     107:1818    108:686     109:3454    110:1818    111:1977   
 112:1570    113:1380    114:1451    115:1823    116:1818    117:2031   
 118:2163    119:1689    120:936     121:1036    122:2309    123:1908   
 124:1536    125:2006    128:1395    129:884     130:565     131:1820   
 132:769     133:251     134:1160    135:272     136:592     137:856    
 138:2167    139:964     140:652     141:849     142:807     143:1087   
 144:935     145:290     146:1455    147:973     148:1885    149:1033   
 150:839     151:1280    152:1450    153:369     154:4375    155:877    
 156:2917    157:1064    158:712     159:1963    160:1663    161:1036   
 162:3021    163:863     164:1290    165:1192    166:536     167:1448   
 168:3566    169:487     170:4202    171:701     172:1828    173:2293   
 174:1033    175:996     176:2647    177:4127    178:2729    179:1448   
 180:2167    181:2392    182:2821    183:1094    184:2287    185:15679  
 186:3773    187:2531    188:3450    189:2098    190:8319    191:1495   
 192:10136   193:7056    194:5642    195:4220    196:3263    197:1916   
 198:6095    199:5931    200:7166    201:5166    202:10425   203:10196  
 204:4583    205:3078    206:3255    207:3256    208:3986    209:4331   
 210:3992    211:2001    212:3299    213:2975    214:1165    215:54     
 216:5837    217:2275    218:905     219:610     220:1980    221:950    
 222:1019    223:1406   

End of report