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

REN Routing Table Report cscora at frr.nsrc.org
Sun Sep 12 18:00:29 UTC 2021


Global R&E Routing Table Report   18:00 GMT Sun 12 Sep, 2021

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

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

BGP routing table entries examined:                               14579
    Prefixes after maximum aggregation (per Origin AS):            6631
    Deaggregation factor:                                          2.20
    Unique aggregates announced (without unneeded subnets):        5954
Total ASes present in the Internet Routing Table:                  2139
    Prefixes per ASN:                                              6.82
Origin-only ASes present in the Internet Routing Table:            1844
Origin ASes announcing only one prefix:                             876
Transit ASes present in the Internet Routing Table:                 295
Transit-only ASes present in the Internet Routing Table:             33
Average AS path length visible in the Internet Routing Table:       5.5
    Max AS path length visible:                                      15
    Max AS path prepend of ASN (  5474)                              11
Prefixes from unregistered ASNs in the Routing Table:                 9
    Number of instances of unregistered ASNs:                         9
Number of 32-bit ASNs allocated by the RIRs:                      37207
Number of 32-bit ASNs visible in the Routing Table:                 464
Prefixes from 32-bit ASNs in the Routing Table:                    1367
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                  913
Prefixes being announced from unallocated address space:              1
Number of addresses announced to Internet:                    133946304
    Equivalent to 7 /8s, 251 /16s and 219 /24s
    Percentage of available address space announced:                3.6
    Percentage of allocated address space announced:                3.6
    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:        6150

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

Prefixes being announced by APNIC Region ASes:                     4097
    Total APNIC prefixes after maximum aggregation:                1217
    APNIC Deaggregation factor:                                    3.37
Prefixes being announced from the APNIC address blocks:            1603
    Unique aggregates announced from the APNIC address blocks:      572
APNIC Region origin ASes present in the Internet Routing Table:     447
    APNIC Prefixes per ASN:                                        3.59
APNIC Region origin ASes announcing only one prefix:                190
APNIC Region transit ASes present in the Internet Routing Table:     46
Average APNIC Region AS path length visible:                        5.2
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    162
Number of APNIC addresses announced to Internet:               19976224
    Equivalent to 1 /8s, 48 /16s and 208 /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:                      5440
    Total ARIN prefixes after maximum aggregation:                 2610
    ARIN Deaggregation factor:                                     2.08
Prefixes being announced from the ARIN address blocks:             7336
    Unique aggregates announced from the ARIN address blocks:      2414
ARIN Region origin ASes present in the Internet Routing Table:      856
    ARIN Prefixes per ASN:                                         8.57
ARIN Region origin ASes announcing only one prefix:                 315
ARIN Region transit ASes present in the Internet Routing Table:     108
Average ARIN Region AS path length visible:                         6.0
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     105
Number of ARIN addresses announced to Internet:                78884832
    Equivalent to 4 /8s, 179 /16s and 175 /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:                      3111
    Total RIPE prefixes after maximum aggregation:                 2363
    RIPE Deaggregation factor:                                     1.32
Prefixes being announced from the RIPE address blocks:             4597
    Unique aggregates announced from the RIPE address blocks:      2849
RIPE Region origin ASes present in the Internet Routing Table:      610
    RIPE Prefixes per ASN:                                         7.54
RIPE Region origin ASes announcing only one prefix:                 292
RIPE Region transit ASes present in the Internet Routing Table:      99
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     113
Number of RIPE addresses announced to Internet:                26293440
    Equivalent to 1 /8s, 145 /16s and 52 /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:                    1104
    Total LACNIC prefixes after maximum aggregation:                278
    LACNIC Deaggregation factor:                                   3.97
Prefixes being announced from the LACNIC address blocks:              2
    Unique aggregates announced from the LACNIC address blocks:       2
LACNIC Region origin ASes present in the Internet Routing Table:    144
    LACNIC Prefixes per ASN:                                       0.01
LACNIC Region origin ASes announcing only one prefix:                56
LACNIC Region transit ASes present in the Internet Routing Table:    23
Average LACNIC Region AS path length visible:                       6.1
    Max LACNIC Region AS path length visible:                        14
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    59
Number of LACNIC addresses announced to Internet:                131072
    Equivalent to 0 /8s, 2 /16s and 0 /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:                    818
    Total AfriNIC prefixes after maximum aggregation:               156
    AfriNIC Deaggregation factor:                                  5.24
Prefixes being announced from the AfriNIC address blocks:           127
    Unique aggregates announced from the AfriNIC address blocks:    114
AfriNIC Region origin ASes present in the Internet Routing Table:    46
    AfriNIC Prefixes per ASN:                                      2.76
AfriNIC Region origin ASes announcing only one prefix:               23
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      5.5
    Max AfriNIC Region AS path length visible:                       10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   25
Number of AfriNIC addresses announced to Internet:              8462080
    Equivalent to 0 /8s, 129 /16s and 31 /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
  7497         662        112       4  CSTNET-AS-AP Computer Network Informati
  2907         619       2000     196  SINET-AS Research Organization of Infor
  1237         188         33       3  KREONET-AS-KR KISTI, KR
  7575         180        316      56  AARNET-AS-AP Australian Academic and Re
 58647         176         16       1  KAGAWAU-AS Kagawa University, JP
  4538         170       1394      38  ERX-CERNET-BKB China Education and Rese
 55824         128         18      19  NKN-CORE-NW NKN Core Network, IN
  2697          55          1       7  ERX-ERNET-AS Education and Research Net
  1659          54       1298      19  ERX-TANET-ASN1 Taiwan Academic Network 
  9317          49         16       1  ITISNET-AS INHA UNIVERSITY, KR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   376         228        163      29  RISQ-AS, CA
  5786         195         16       1  UPRENET, PR
  2152         156        404      46  CSUNET-NW, US
 18558         136         18       4  NETBLK-RCOEK, US
   270         119        329      88  AS270, US
  2920         111         16       1  LACOE, US
 21976          86         49      15  NJEDGE-NET, US
  1736          80         16       1  MU-AS, US
  3477          67         69      23  NOAA-NWAVE, US
 22742          66         48      28  CT-EDU-NET, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         275       1979     234  DFN Verein zur Foerderung eines Deutsch
   786         186       1721     178  JANET Jisc Services Limited, GB
  8895         174          0       2  ISU Internet Services Unit ISU, SA
   559         116        550     107  SWITCH Peering requests: peering at switch
  1103          95       1520      84  SURFNET-NL SURFnet, The Netherlands, NL
   137          82        653      75  ASGARR Consortium GARR, IT
  2200          66        647      61  FR-RENATER Reseau National de telecommu
  2614          61         28      36  ROEDUNET, RO
  1930          57         81      52  RCCN Fundacao para a Ciencia e a Tecnol
  1653          52        127      39  SUNET SUNET Swedish University Network,

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         189         41       6  Associacao Rede Nacional de Ensino e Pe
 11340          94         22      46  Red Universitaria Nacional, CL
  1251          65         12       2  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          49         53      30  Fundacao Carlos Chagas Filho de Amparo 
 19611          44         16       1  Associacao Antonio Vieira - Unisinos, B
  4270          43         16       1  Red de Interconexion Universitaria, AR
 61468          41          2      11  CEDIA, EC
 28614          38          1       1  Fundacao Universidade Regional de Blume
 28571          32         16       1  UNIVERSIDADE DE SAO PAULO, BR
 20191          31         16       1  Pontificia Universidad Catolica de Chil

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         335        319      72  TENET-1, ZA
327687         134         28       3  RENU, UG
 36914         100         82       3  KENET-AS, KE
  8094          55         48       4  PUKNET, ZA
327700          35         16       1  MoRENet, MZ
 37215          32          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37182          13          8       1  TERNET, TZ
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  7497         662        112       4  CSTNET-AS-AP Computer Network Informati
  2907         619       2000     196  SINET-AS Research Organization of Infor
  2018         335        319      72  TENET-1, ZA
   680         275       1979     234  DFN Verein zur Foerderung eines Deutsch
   376         228        163      29  RISQ-AS, CA
  5786         195         16       1  UPRENET, PR
  1916         189         41       6  Associacao Rede Nacional de Ensino e Pe
  1237         188         33       3  KREONET-AS-KR KISTI, KR
   786         186       1721     178  JANET Jisc Services Limited, GB
  7575         180        316      56  AARNET-AS-AP Australian Academic and Re

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

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

   ASN  No of nets  Net Savings  Description
  2907         619          423  SINET-AS Research Organization of Information a
  2018         335          263  TENET-1, ZA
   376         228          199  RISQ-AS, CA
  5786         195          194  UPRENET, PR
  1237         188          185  KREONET-AS-KR KISTI, KR
  1916         189          183  Associacao Rede Nacional de Ensino e Pesquisa, 
 58647         176          175  KAGAWAU-AS Kagawa University, JP
  8895         174          172  ISU Internet Services Unit ISU, SA
  4538         170          132  ERX-CERNET-BKB China Education and Research Net
 18558         136          132  NETBLK-RCOEK, US

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     14822  UNALLOCATED  40.163.6.0/24            10466  MAGPI, US
     14822  UNALLOCATED  40.163.64.0/24           10466  MAGPI, US
     14822  UNALLOCATED  40.163.70.0/24           10466  MAGPI, US
     14822  UNALLOCATED  40.163.128.0/17          10466  MAGPI, US
     22063  UNALLOCATED  53.10.0.0/16              2152  CSUNET-NW, US
       983  UNALLOCATED  96.12.203.0/24               0  UNALLOCATED
       983  UNALLOCATED  96.200.128.0/18              0  UNALLOCATED
       983  UNALLOCATED  96.200.128.0/19              0  UNALLOCATED
       983  UNALLOCATED  96.200.160.0/19              0  UNALLOCATED

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

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
0.28.128.0/18             13796  UCONN-ARIN, US
0.245.128.0/17             7497  CSTNET-AS-AP Computer Network Information Cente
0.245.128.0/24             7497  CSTNET-AS-AP Computer Network Information Cente
0.245.160.0/27             7497  CSTNET-AS-AP Computer Network Information Cente
0.245.192.0/24             7497  CSTNET-AS-AP Computer Network Information Cente
0.245.193.0/24             7497  CSTNET-AS-AP Computer Network Information Cente
0.245.194.0/24             7497  CSTNET-AS-AP Computer Network Information Cente
0.245.200.0/21             7497  CSTNET-AS-AP Computer Network Information Cente
0.245.208.0/21             7497  CSTNET-AS-AP Computer Network Information Cente
0.73.144.0/21             34511  F-INTEGRA-AS Manresa 5, ES

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

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

Unassigned Network     ASN Information  AS Name
41.78.0.0/16         Origin:       680  DFN Verein zur Foerderung eines Deutsche
41.78.0.0/16        Transit:     20965  GEANT The GEANT IP Service, NL

Complete listing at https://bgp.nsrc.org/REN/MARWAN/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        /8:0        /9:1       /10:2       /11:1       /12:10      
/13:19      /14:35      /15:102     /16:1669    /17:277     /18:303     
/19:440     /20:662     /21:723     /22:1133    /23:1212    /24:7571    
/25:165     /26:144     /27:110     /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
  7497         464         662  CSTNET-AS-AP Computer Network Information Cente
  2907         341         619  SINET-AS Research Organization of Information a
  2018         238         335  TENET-1, ZA
  1916         184         189  Associacao Rede Nacional de Ensino e Pesquisa, 
   680         138         275  DFN Verein zur Foerderung eines Deutschen Forsc
327687         129         134  RENU, UG
  1237         106         188  KREONET-AS-KR KISTI, KR
   270          94         119  AS270, US
 11340          92          94  Red Universitaria Nacional, CL
   376          68         228  RISQ-AS, CA

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

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

   1:264       2:401       3:529       4:427       5:206       6:198    
   7:177       8:60        9:157      10:180      11:18       12:175    
  13:4        14:18       16:49       17:17       18:22       19:31     
  20:9        21:27       22:13       23:2        24:39       28:65     
  29:31       30:84       31:84       32:51       33:138      34:87     
  36:186      37:106      38:10       39:4        40:34       41:2      
  42:21       43:32       44:27       46:122      47:26       48:7      
  49:13       50:19       51:6        52:61       53:6        54:24     
  55:36       56:65       57:25       58:42       59:116      60:25     
  61:15       62:11       63:61       64:35       65:53       66:1      
  67:16       68:102      69:9        70:44       72:2        73:1      
  75:20       76:8        77:8        78:1        79:7        80:21     
  82:5        84:3        85:36       86:2        87:17       88:12     
  89:5        90:36       91:6        92:1170     93:186      94:110    
  95:58       96:175      97:5        98:327      99:179    

End of report


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