[REN-BGP-stats-all] Global R&E Routing Table Report - RENU view

REN Routing Table Report cscora at frr.nsrc.org
Sun Oct 10 18:36:25 UTC 2021


Global R&E Routing Table Report   18:35 GMT Sun 10 Oct, 2021

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

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

BGP routing table entries examined:                              199842
    Prefixes after maximum aggregation (per Origin AS):           55604
    Deaggregation factor:                                          3.59
    Unique aggregates announced (without unneeded subnets):       51341
Total ASes present in the Internet Routing Table:                  5111
    Prefixes per ASN:                                             39.10
Origin-only ASes present in the Internet Routing Table:            3755
Origin ASes announcing only one prefix:                            1042
Transit ASes present in the Internet Routing Table:                1356
Transit-only ASes present in the Internet Routing Table:            820
Average AS path length visible in the Internet Routing Table:       5.1
    Max AS path length visible:                                      22
    Max AS path prepend of ASN ( 43872)                              16
Prefixes from unregistered ASNs in the Routing Table:                57
    Number of instances of unregistered ASNs:                        57
Number of 32-bit ASNs allocated by the RIRs:                      37460
Number of 32-bit ASNs visible in the Routing Table:                1241
Prefixes from 32-bit ASNs in the Routing Table:                   11415
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                 8706
Prefixes being announced from unallocated address space:             95
Number of addresses announced to Internet:                    595165696
    Equivalent to 35 /8s, 121 /16s and 130 /24s
    Percentage of available address space announced:               16.1
    Percentage of allocated address space announced:               16.1
    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:       63886

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

Prefixes being announced by APNIC Region ASes:                    55700
    Total APNIC prefixes after maximum aggregation:                9187
    APNIC Deaggregation factor:                                    6.06
Prefixes being announced from the APNIC address blocks:           17605
    Unique aggregates announced from the APNIC address blocks:     3855
APNIC Region origin ASes present in the Internet Routing Table:     492
    APNIC Prefixes per ASN:                                       35.78
APNIC Region origin ASes announcing only one prefix:                 44
APNIC Region transit ASes present in the Internet Routing Table:    194
Average APNIC Region AS path length visible:                        5.6
    Max APNIC Region AS path length visible:                         18
Number of APNIC region 32-bit ASNs visible in the Routing Table:    127
Number of APNIC addresses announced to Internet:               60365568
    Equivalent to 3 /8s, 153 /16s and 27 /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, 131072-147769
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:                     73454
    Total ARIN prefixes after maximum aggregation:                24904
    ARIN Deaggregation factor:                                     2.95
Prefixes being announced from the ARIN address blocks:           117388
    Unique aggregates announced from the ARIN address blocks:     22205
ARIN Region origin ASes present in the Internet Routing Table:     2198
    ARIN Prefixes per ASN:                                        53.41
ARIN Region origin ASes announcing only one prefix:                 795
ARIN Region transit ASes present in the Internet Routing Table:     417
Average ARIN Region AS path length visible:                         4.9
    Max ARIN Region AS path length visible:                          19
Number of ARIN region 32-bit ASNs visible in the Routing Table:     546
Number of ARIN addresses announced to Internet:               361869824
    Equivalent to 21 /8s, 145 /16s and 178 /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:                     64226
    Total RIPE prefixes after maximum aggregation:                19586
    RIPE Deaggregation factor:                                     3.28
Prefixes being announced from the RIPE address blocks:            55519
    Unique aggregates announced from the RIPE address blocks:     24401
RIPE Region origin ASes present in the Internet Routing Table:     1407
    RIPE Prefixes per ASN:                                        39.46
RIPE Region origin ASes announcing only one prefix:                 149
RIPE Region transit ASes present in the Internet Routing Table:     493
Average RIPE Region AS path length visible:                         4.8
    Max RIPE Region AS path length visible:                          19
Number of RIPE region 32-bit ASNs visible in the Routing Table:     387
Number of RIPE addresses announced to Internet:               155389440
    Equivalent to 9 /8s, 67 /16s and 14 /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:                    5191
    Total LACNIC prefixes after maximum aggregation:               1484
    LACNIC Deaggregation factor:                                   3.50
Prefixes being announced from the LACNIC address blocks:             16
    Unique aggregates announced from the LACNIC address blocks:      11
LACNIC Region origin ASes present in the Internet Routing Table:    152
    LACNIC Prefixes per ASN:                                       0.11
LACNIC Region origin ASes announcing only one prefix:                50
LACNIC Region transit ASes present in the Internet Routing Table:   123
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        22
Number of LACNIC region 32-bit ASNs visible in the Routing Table:   177
Number of LACNIC addresses announced to Internet:                399616
    Equivalent to 0 /8s, 6 /16s and 25 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-272796 + 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:                   1214
    Total AfriNIC prefixes after maximum aggregation:               395
    AfriNIC Deaggregation factor:                                  3.07
Prefixes being announced from the AfriNIC address blocks:           513
    Unique aggregates announced from the AfriNIC address blocks:    384
AfriNIC Region origin ASes present in the Internet Routing Table:    14
    AfriNIC Prefixes per ASN:                                     36.64
AfriNIC Region origin ASes announcing only one prefix:                4
AfriNIC Region transit ASes present in the Internet Routing Table:   12
Average AfriNIC Region AS path length visible:                      5.9
    Max AfriNIC Region AS path length visible:                        9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    4
Number of AfriNIC addresses announced to Internet:              2241536
    Equivalent to 0 /8s, 34 /16s and 52 /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        3474        333     109  TPG-INTERNET-AP TPG Telecom Limited, AU
 45899        2779       1792       4  VNPT-AS-VN VNPT Corp, VN
  4755        1995        321     158  TATACOMM-AS TATA Communications formerl
  9583        1574         35     182  SIFY-AS-IN Sify Limited, IN
 45090        1493        807      53  CNNIC-TENCENT-NET-AP Shenzhen Tencent C
  9498        1443        322     350  BBIL-AP BHARTI Airtel Ltd., IN
  9808        1188       4216      44  CMNET-GD Guangdong Mobile Communication
  4766        1132       6923     188  KIXS-AS-KR Korea Telecom, KR
 23969        1097        183     218  TOT-NET TOT Public Company Limited, TH
  7552        1084       1170      41  VIETEL-AS-AP Viettel Group, VN

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        3814       2855     931  AMAZON-02, US
 16625        3417       1057    1523  AKAMAI-AS, US
  7018        2027       6437     445  ATT-INTERNET4, US
   174        1813       5820     327  COGENT-174, US
 22773        1808        575     633  ASN-CXA-ALL-CCI-22773-RDC, US
 36352        1570        111     240  AS-COLOCROSSING, US
 11492        1425         73     634  CABLEONE, US
  1239        1380        841     555  SPRINTLINK, US
   749        1343      27152     787  DNIC-AS-00749, US
   714        1093       4103       5  APPLE-ENGINEERING, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 20940        3258       2023      85  AKAMAI-ASN1, NL
 12479        2748        204     289  UNI2-AS, ES
  9009        2355        138     690  M247, GB
 12389        1759        864     176  ROSTELECOM-AS, RU
 61317        1555        122     549  ASDETUK www.heficed.com, GB
 34984        1325        123     386  TELLCOM-AS, TR
 58224        1222        266     300  TCI, IR
 25019         996        575      86  SAUDINETSTC-AS, SA
  8551         955        136      16  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 21299         906         52      47  KAR-TEL-AS Almaty, Republic of Kazakhst

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151        1926        699     465  Uninet S.A. de C.V., MX
 13999         665        109     212  Mega Cable, S.A. de C.V., MX
  6057         576        500      12  Administracion Nacional de Telecomunica
 11664         316         43     140  Techtel LMDS Comunicaciones Interactiva
  6503         288         58     141  Axtel, S.A.B. de C.V., MX
 14259         158         82      22  Gtd Internet S.A., CL
 27747         156        146       6  Telecentro S.A., AR
 18809         112         19      92  Cable Onda, PA
  7418          96        493      15  TELEFONICA CHILE S.A., CL
  4230          94        553      26  CLARO S.A., BR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36903         659        331     322  MT-MPLS, MA
 37457         415        211      16  Telkom-Internet, ZA
 37284          58         10      16  Aljeel-net, LY
 10474          54        353      25  OPTINET, ZA
 37337           8          1       2  HITS-EG, GQ
 37002           5          0       1  Reunicable, RE
327952           4         16       2  AS-NATCOM, NG
328543           3          3       3  sun-asn, SC
 23889           2          0       2  MauritiusTelecom, MU
 37349           2          0       2  Aptus, TZ

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        3814       2855     931  AMAZON-02, US
  7545        3474        333     109  TPG-INTERNET-AP TPG Telecom Limited, AU
 16625        3417       1057    1523  AKAMAI-AS, US
 20940        3258       2023      85  AKAMAI-ASN1, NL
 45899        2779       1792       4  VNPT-AS-VN VNPT Corp, VN
 12479        2748        204     289  UNI2-AS, ES
  9009        2355        138     690  M247, GB
  7018        2027       6437     445  ATT-INTERNET4, US
  4755        1995        321     158  TATACOMM-AS TATA Communications formerl
  8151        1926        699     465  Uninet S.A. de C.V., MX

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

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

   ASN  No of nets  Net Savings  Description
  7545        3474         3365  TPG-INTERNET-AP TPG Telecom Limited, AU
 20940        3258         3173  AKAMAI-ASN1, NL
 45899        2779         2775  VNPT-AS-VN VNPT Corp, VN
 12479        2748         2459  UNI2-AS, ES
 16625        3417         1894  AKAMAI-AS, US
  4755        1995         1837  TATACOMM-AS TATA Communications formerly VSNL i
  9009        2355         1665  M247, GB
 12389        1759         1583  ROSTELECOM-AS, RU
  7018        2027         1582  ATT-INTERNET4, US
   174        1813         1486  COGENT-174, US

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     40544  UNALLOCATED  2.0.33.0/24               6461  ZAYO-6461, US
     15132  UNALLOCATED  2.9.150.0/24              1239  SPRINTLINK, US
      3577  UNALLOCATED  2.19.197.0/24             7018  ATT-INTERNET4, US
     21861  UNALLOCATED  2.37.59.0/24              7018  ATT-INTERNET4, US
     33684  UNALLOCATED  2.37.144.0/24             7018  ATT-INTERNET4, US
     13317  UNALLOCATED  2.44.10.0/24              7018  ATT-INTERNET4, US
     63305  UNALLOCATED  2.49.58.0/24              7018  ATT-INTERNET4, US
     33684  UNALLOCATED  2.68.34.0/24              7018  ATT-INTERNET4, US
     31781  UNALLOCATED  2.71.107.0/24             7018  ATT-INTERNET4, US
     21861  UNALLOCATED  2.106.212.0/24            7018  ATT-INTERNET4, US

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

Prefixes from private and non-routed address space (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
0.45.128.0/20              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

Complete listing at https://bgp.nsrc.org/REN/RENU/data-dsua

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

Unassigned Network     ASN Information  AS Name
5.42.200.0/24        Origin:     40676  AS40676, US
5.42.200.0/24       Transit:      3257  GTT-BACKBONE GTT, US
5.42.201.0/24        Origin:     40676  AS40676, US
5.42.201.0/24       Transit:      3257  GTT-BACKBONE GTT, US
5.42.202.0/24        Origin:     40676  AS40676, US
5.42.202.0/24       Transit:      3257  GTT-BACKBONE GTT, US
5.42.203.0/24        Origin:     40676  AS40676, US
5.42.203.0/24       Transit:      3257  GTT-BACKBONE GTT, US
5.42.206.0/24        Origin:    399226  SPEEDFI, CA
5.42.206.0/24       Transit:       174  COGENT-174, US

Complete listing at https://bgp.nsrc.org/REN/RENU/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        /8:14       /9:7       /10:25      /11:64      /12:195     
/13:377     /14:683     /15:1112    /16:5824    /17:2840    /18:4433    
/19:7294    /20:13639   /21:12600   /22:25921   /23:21091   /24:103723  
/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
  9009        1407        2355  M247, GB
 16509        1349        3814  AMAZON-02, US
 12479        1082        2748  UNI2-AS, ES
 22773        1032        1808  ASN-CXA-ALL-CCI-22773-RDC, US
  7545         946        3474  TPG-INTERNET-AP TPG Telecom Limited, AU
 61317         934        1555  ASDETUK www.heficed.com, GB
  9583         890        1574  SIFY-AS-IN Sify Limited, IN
 34984         883        1325  TELLCOM-AS, TR
  8151         851        1926  Uninet S.A. de C.V., MX
  1239         701        1380  SPRINTLINK, US

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

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

   1:4036      2:6634      3:10981     4:9157      5:6091      6:4062   
   7:7043      8:3055      9:4557     10:1590     11:1074     12:1305   
  13:1296     14:707      15:492      16:1388     17:775      18:1005   
  19:357      20:575      21:595      22:617      23:663      24:489    
  25:978      28:485      29:82       30:231      31:99       32:48     
  33:13       34:801      35:34       36:164      37:100      38:226    
  39:227      40:166      41:258      42:501      43:200      44:213    
  45:86       46:271      47:191      48:138      49:190      50:109    
  51:219      52:152      53:48       54:801      55:133      56:399    
  57:296      58:170      59:397      60:254      61:251      62:591    
  63:181      64:185      65:241      66:59       67:192      68:244    
  69:48       70:424      71:134      72:1109     73:580      74:182    
  75:137      76:914      77:241      78:461      79:58       80:754    
  81:207      82:686      83:316      84:580      85:3697     86:111    
  87:295      88:937      89:397      90:350      91:177      92:2073   
  93:1765     94:1553     95:779      96:380      97:139      98:1051   
  99:970    

End of report


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