[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AARNET (Brisbane) (Global) view

REN Routing Table Report cscora at frr.nsrc.org
Wed Mar 2 21:11:47 UTC 2022


IPv4 R&E Routing Table Report   21:10 GMT Wed 02 Mar, 2022

  BGP Table (Global) as seen at AARNET (Brisbane).

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/AARNET/

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

BGP routing table entries examined:                              492348
    Prefixes after maximum aggregation (per Origin AS):          124596
    Deaggregation factor:                                          3.95
    Unique aggregates announced (without unneeded subnets):       95090
Total ASes present in the Internet Routing Table:                 23331
    Prefixes per ASN:                                             21.10
Origin-only ASes present in the Internet Routing Table:           18402
Origin ASes announcing only one prefix:                            5522
Transit ASes present in the Internet Routing Table:                4929
Transit-only ASes present in the Internet Routing Table:           2007
Average AS path length visible in the Internet Routing Table:       4.1
    Max AS path length visible:                                     251
    Max AS path prepend of ASN ( 21299)                             245
Prefixes from unregistered ASNs in the Routing Table:               465
    Number of instances of unregistered ASNs:                       465
Number of 32-bit ASNs allocated by the RIRs:                      38695
Number of 32-bit ASNs visible in the Routing Table:                9170
Prefixes from 32-bit ASNs in the Routing Table:                   61859
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                20885
Prefixes being announced from unallocated address space:            545
Number of addresses announced to Internet:                    815116800
    Equivalent to 48 /8s, 149 /16s and 178 /24s
    Percentage of available address space announced:               22.0
    Percentage of allocated address space announced:               22.0
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.5
Total number of prefixes smaller than registry allocations:      165469

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

Prefixes being announced by APNIC Region ASes:                   140965
    Total APNIC prefixes after maximum aggregation:               20406
    APNIC Deaggregation factor:                                    6.91
Prefixes being announced from the APNIC address blocks:           45847
    Unique aggregates announced from the APNIC address blocks:     7150
APNIC Region origin ASes present in the Internet Routing Table:    2205
    APNIC Prefixes per ASN:                                       20.79
APNIC Region origin ASes announcing only one prefix:                222
APNIC Region transit ASes present in the Internet Routing Table:    605
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         30
Number of APNIC region 32-bit ASNs visible in the Routing Table:    862
Number of APNIC addresses announced to Internet:               83456768
    Equivalent to 4 /8s, 249 /16s and 115 /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, 131072-151865
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:                    174190
    Total ARIN prefixes after maximum aggregation:                51053
    ARIN Deaggregation factor:                                     3.41
Prefixes being announced from the ARIN address blocks:           286076
    Unique aggregates announced from the ARIN address blocks:     41103
ARIN Region origin ASes present in the Internet Routing Table:     8704
    ARIN Prefixes per ASN:                                        32.87
ARIN Region origin ASes announcing only one prefix:                2963
ARIN Region transit ASes present in the Internet Routing Table:    1138
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    1934
Number of ARIN addresses announced to Internet:               481355776
    Equivalent to 28 /8s, 176 /16s and 232 /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, 393216-401308
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:                    136829
    Total RIPE prefixes after maximum aggregation:                42645
    RIPE Deaggregation factor:                                     3.21
Prefixes being announced from the RIPE address blocks:           138055
    Unique aggregates announced from the RIPE address blocks:     45200
RIPE Region origin ASes present in the Internet Routing Table:     6158
    RIPE Prefixes per ASN:                                        22.42
RIPE Region origin ASes announcing only one prefix:                1386
RIPE Region transit ASes present in the Internet Routing Table:    1589
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                         251
Number of RIPE region 32-bit ASNs visible in the Routing Table:    2261
Number of RIPE addresses announced to Internet:               227255296
    Equivalent to 13 /8s, 139 /16s and 164 /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
                       196608-213403
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:                   21746
    Total LACNIC prefixes after maximum aggregation:               7163
    LACNIC Deaggregation factor:                                   3.04
Prefixes being announced from the LACNIC address blocks:             45
    Unique aggregates announced from the LACNIC address blocks:      14
LACNIC Region origin ASes present in the Internet Routing Table:   3613
    LACNIC Prefixes per ASN:                                       0.01
LACNIC Region origin ASes announcing only one prefix:               902
LACNIC Region transit ASes present in the Internet Routing Table:  1266
Average LACNIC Region AS path length visible:                       5.4
    Max LACNIC Region AS path length visible:                        27
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  4029
Number of LACNIC addresses announced to Internet:                592640
    Equivalent to 0 /8s, 9 /16s and 11 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-273820 + 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:                  18153
    Total AfriNIC prefixes after maximum aggregation:              3039
    AfriNIC Deaggregation factor:                                  5.97
Prefixes being announced from the AfriNIC address blocks:           895
    Unique aggregates announced from the AfriNIC address blocks:    722
AfriNIC Region origin ASes present in the Internet Routing Table:   459
    AfriNIC Prefixes per ASN:                                      1.95
AfriNIC Region origin ASes announcing only one prefix:               49
AfriNIC Region transit ASes present in the Internet Routing Table:  143
Average AfriNIC Region AS path length visible:                      4.8
    Max AfriNIC Region AS path length visible:                       35
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   84
Number of AfriNIC addresses announced to Internet:              5584384
    Equivalent to 0 /8s, 85 /16s and 54 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & 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        4014        297     159  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        3392       1394      38  ERX-CERNET-BKB China Education and Rese
  7552        2841       1321      10  VIETEL-AS-AP Viettel Group, VN
  7713        2645        862     292  TELKOMNET-AS-AP PT Telekomunikasi Indon
 45899        2514       1488     194  VNPT-AS-VN VNPT Corp, VN
  9808        2255       2529     524  CHINAMOBILE-CN China Mobile Communicati
  4755        2004        322     148  TATACOMM-AS TATA Communications formerl
  9498        1885        381     230  BBIL-AP BHARTI Airtel Ltd., IN
 45090        1872       1047      57  TENCENT-NET-AP Shenzhen Tencent Compute
  9829        1813       1223      22  BSNL-NIB National Internet Backbone, IN

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        6032       3077    1231  AMAZON-02, US
 11492        3884        197     821  CABLEONE, US
 22773        3472       1396     137  ASN-CXA-ALL-CCI-22773-RDC, US
 16625        3412       1068    1552  AKAMAI-AS, US
  6327        3287        757      35  SHAW, CA
   209        2519        992     168  CENTURYLINK-US-LEGACY-QWEST, US
  7155        2483         86      87  VIASAT-SP-BACKBONE, US
 20115        2223       1786     307  CHARTER-20115, US
 30036        2204        208     624  MEDIACOM-ENTERPRISE-BUSINESS, US
 18566        1901        276     104  MEGAPATH5-, US

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-ARIN

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        5280        256      65  UNI2-AS, ES
 20940        3396       1994      97  AKAMAI-ASN1, NL
 12389        2474        865     176  ROSTELECOM-AS, RU
  9009        2334        129     693  M247, GB
 58224        1390        316     292  TCI, IR
 13188        1380         85     209  TRIOLAN, UA
  8452        1329       1322      12  TE-AS TE-AS, EG
 39891        1322         22       7  ALJAWWALSTC-AS, SA
 61317        1312        102     509  ASDETUK www.heficed.com, GB
 25019        1301        575      91  SAUDINETSTC-AS, SA

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  3816         822        306     285  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 13999         782        108     239  Mega Cable, S.A. de C.V., MX
  8151         726        282     106  Uninet S.A. de C.V., MX
 11664         703        132     327  Techtel LMDS Comunicaciones Interactiva
  6147         487         30     308  Telefonica del Peru S.A.A., PE
 11830         436          8      53  Instituto Costarricense de Electricidad
  7303         218       1823      32  Telecom Argentina S.A., AR
 52468         217         13      84  UFINET PANAMA S.A., PA
262287         198         27     129  Maxihost LTDA, BR
 27747         193        147       7  Telecentro S.A., AR

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24863        1578        372      16  LINKdotNET-AS, EG
 24835        1495        383      28  RAYA-AS, EG
 36992        1046       1339     165  ETISALAT-MISR, EG
 36903         967        486     104  MT-MPLS, MA
 29571         837         60      74  ORANGE-COTE-IVOIRE, CI
 36935         695        520      33  Vodafone-, EG
 23889         419        230      13  MauritiusTelecom, MU
 15399         407         39      54  WANANCHI-, KE
  2018         345        283      69  TENET-1, ZA
 36947         266        918      15  ALGTEL-AS, DZ

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        6032       3077    1231  AMAZON-02, US
 12479        5280        256      65  UNI2-AS, ES
  7545        4014        297     159  TPG-INTERNET-AP TPG Telecom Limited, AU
 11492        3884        197     821  CABLEONE, US
 22773        3472       1396     137  ASN-CXA-ALL-CCI-22773-RDC, US
 16625        3412       1068    1552  AKAMAI-AS, US
 20940        3396       1994      97  AKAMAI-ASN1, NL
  4538        3392       1394      38  ERX-CERNET-BKB China Education and Rese
  6327        3287        757      35  SHAW, CA
  7552        2841       1321      10  VIETEL-AS-AP Viettel Group, VN

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
 12479        5280         5215  UNI2-AS, ES
  7545        4014         3855  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        3392         3354  ERX-CERNET-BKB China Education and Research Net
 22773        3472         3335  ASN-CXA-ALL-CCI-22773-RDC, US
 20940        3396         3299  AKAMAI-ASN1, NL
  6327        3287         3252  SHAW, CA
 11492        3884         3063  CABLEONE, US
  7552        2841         2831  VIETEL-AS-AP Viettel Group, VN
  7155        2483         2396  VIASAT-SP-BACKBONE, US
  7713        2645         2353  TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-CIDRnet

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     17033  UNALLOCATED  2.3.33.0/24               1239  SPRINTLINK, US
    395281  UNALLOCATED  2.4.40.0/23               7018  ATT-INTERNET4, US
    395281  UNALLOCATED  2.4.42.0/23               7018  ATT-INTERNET4, US
     15132  UNALLOCATED  2.9.150.0/24              1239  SPRINTLINK, US
      3577  UNALLOCATED  2.19.197.0/24             7018  ATT-INTERNET4, US
     26341  UNALLOCATED  2.33.109.0/24             7018  ATT-INTERNET4, US
     21861  UNALLOCATED  2.37.59.0/24              7018  ATT-INTERNET4, US
     33684  UNALLOCATED  2.37.144.0/24             6461  ZAYO-6461, US
     13317  UNALLOCATED  2.44.10.0/24              7018  ATT-INTERNET4, US
     63305  UNALLOCATED  2.49.58.0/24              7018  ATT-INTERNET4, US

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
0.0.0.0/11                 8075  MICROSOFT-CORP-MSN-AS-BLOCK, US
0.32.176.0/20             50207  ASN-CSC-, NL
0.33.0.0/16                8075  MICROSOFT-CORP-MSN-AS-BLOCK, US
0.34.0.0/15                8070  MICROSOFT-CORP-MSN-AS-BLOCK, US
0.36.0.0/14                8075  MICROSOFT-CORP-MSN-AS-BLOCK, US
0.39.58.0/23               8069  MICROSOFT-CORP-MSN-AS-BLOCK, US
0.40.0.0/13                8075  MICROSOFT-CORP-MSN-AS-BLOCK, US
0.47.1.0/24                8069  MICROSOFT-CORP-MSN-AS-BLOCK, US
0.47.2.0/24                8069  MICROSOFT-CORP-MSN-AS-BLOCK, US
0.47.3.0/24                8069  MICROSOFT-CORP-MSN-AS-BLOCK, US

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-spar

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

Unassigned Network     ASN Information  AS Name
5.42.192.0/22        Origin:    395768  ITERATEL-1123, CA
5.42.192.0/22       Transit:      6939  HURRICANE, US
5.42.197.0/24        Origin:    399502  VALUEHOSTED-, US
5.42.197.0/24       Transit:     36352  AS-COLOCROSSING, US
5.42.198.0/24        Origin:    399577  SUREFIRE, US
5.42.198.0/24       Transit:     15164  UPNLLC, US
5.42.200.0/24        Origin:     40676  AS40676, US
5.42.200.0/24       Transit:       575  DNIC-AS-00575, US
5.42.201.0/24        Origin:     40676  AS40676, US
5.42.201.0/24       Transit:      2914  NTT-LTD-2914, US

Complete listing at https://bgp.nsrc.org/REN/AARNET/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       /9:9       /10:33      /11:88      /12:252     
/13:486     /14:906     /15:1646    /16:8817    /17:5794    /18:9465    
/19:16320   /20:28640   /21:29713   /22:64942   /23:51223   /24:273999  
/25:0       /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        2854        5280  UNI2-AS, ES
 16509        2291        6032  AMAZON-02, US
  7155        2024        2483  VIASAT-SP-BACKBONE, US
 30036        1682        2204  MEDIACOM-ENTERPRISE-BUSINESS, US
 22773        1615        3472  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        1489        3287  SHAW, CA
  9009        1422        2334  M247, GB
  7545        1227        4014  TPG-INTERNET-AP TPG Telecom Limited, AU
 24863        1094        1578  LINKdotNET-AS, EG
 24835         993        1495  RAYA-AS, EG

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos

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

   1:13942     2:16468     3:25531     4:20462     5:25168     6:15478  
   7:17163     8:10332     9:15295    10:3843     11:3183     12:3049   
  13:2665     14:895      15:1317     16:4846     17:2299     18:2289   
  19:1182     20:1485     21:1294     22:2263     23:2116     24:921    
  25:1624     28:700      29:483      30:365      31:243      32:242    
  33:89       34:1397     35:81       36:329      37:244      38:480    
  39:464      40:340      41:450      42:713      43:344      44:397    
  45:101      46:734      47:370      48:367      49:668      50:367    
  51:245      52:1033     53:210      54:2435     55:390      56:938    
  57:566      58:365      59:938      60:1213     61:473      62:1622   
  63:396      64:419      65:691      66:218      67:488      68:758    
  69:186      70:993      71:356      72:1950     73:2185     74:721    
  75:482      76:1633     77:417      78:1605     79:211      80:1190   
  81:545      82:2040     83:1182     84:1111     85:7062     86:425    
  87:242      88:2455     89:388      90:1688     91:320      92:4132   
  93:3349     94:3091     95:1716     96:1513     97:1194     98:2057   
  99:2182   

End of report


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