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

REN Routing Table Report cscora at frr.nsrc.org
Sun Oct 10 18:50:31 UTC 2021


Global R&E Routing Table Report   18:50 GMT Sun 10 Oct, 2021

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

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

BGP routing table entries examined:                               17972
    Prefixes after maximum aggregation (per Origin AS):            8035
    Deaggregation factor:                                          2.24
    Unique aggregates announced (without unneeded subnets):        7195
Total ASes present in the Internet Routing Table:                  2662
    Prefixes per ASN:                                              6.75
Origin-only ASes present in the Internet Routing Table:            2295
Origin ASes announcing only one prefix:                            1071
Transit ASes present in the Internet Routing Table:                 367
Transit-only ASes present in the Internet Routing Table:             55
Average AS path length visible in the Internet Routing Table:       5.6
    Max AS path length visible:                                      16
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                18
    Number of instances of unregistered ASNs:                        18
Number of 32-bit ASNs allocated by the RIRs:                      37460
Number of 32-bit ASNs visible in the Routing Table:                 582
Prefixes from 32-bit ASNs in the Routing Table:                    1580
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                  922
Prefixes being announced from unallocated address space:             10
Number of addresses announced to Internet:                    154093056
    Equivalent to 9 /8s, 47 /16s and 70 /24s
    Percentage of available address space announced:                4.2
    Percentage of allocated address space announced:                4.2
    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:        7241

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

Prefixes being announced by APNIC Region ASes:                     4711
    Total APNIC prefixes after maximum aggregation:                1428
    APNIC Deaggregation factor:                                    3.30
Prefixes being announced from the APNIC address blocks:            1685
    Unique aggregates announced from the APNIC address blocks:      639
APNIC Region origin ASes present in the Internet Routing Table:     579
    APNIC Prefixes per ASN:                                        2.91
APNIC Region origin ASes announcing only one prefix:                247
APNIC Region transit ASes present in the Internet Routing Table:     63
Average APNIC Region AS path length visible:                        5.5
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    220
Number of APNIC addresses announced to Internet:               23256064
    Equivalent to 1 /8s, 98 /16s and 220 /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:                      7935
    Total ARIN prefixes after maximum aggregation:                 3467
    ARIN Deaggregation factor:                                     2.29
Prefixes being announced from the ARIN address blocks:             9646
    Unique aggregates announced from the ARIN address blocks:      3178
ARIN Region origin ASes present in the Internet Routing Table:     1170
    ARIN Prefixes per ASN:                                         8.24
ARIN Region origin ASes announcing only one prefix:                 431
ARIN Region transit ASes present in the Internet Routing Table:     153
Average ARIN Region AS path length visible:                         5.9
    Max ARIN Region AS path length visible:                          16
Number of ARIN region 32-bit ASNs visible in the Routing Table:     152
Number of ARIN addresses announced to Internet:                91260672
    Equivalent to 5 /8s, 112 /16s and 135 /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:                      3347
    Total RIPE prefixes after maximum aggregation:                 2587
    RIPE Deaggregation factor:                                     1.29
Prefixes being announced from the RIPE address blocks:             5554
    Unique aggregates announced from the RIPE address blocks:      3227
RIPE Region origin ASes present in the Internet Routing Table:      663
    RIPE Prefixes per ASN:                                         8.38
RIPE Region origin ASes announcing only one prefix:                 318
RIPE Region transit ASes present in the Internet Routing Table:     104
Average RIPE Region AS path length visible:                         4.9
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     127
Number of RIPE addresses announced to Internet:                29373696
    Equivalent to 1 /8s, 192 /16s and 53 /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:                    1506
    Total LACNIC prefixes after maximum aggregation:                427
    LACNIC Deaggregation factor:                                   3.53
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:    182
    LACNIC Prefixes per ASN:                                       0.01
LACNIC Region origin ASes announcing only one prefix:                73
LACNIC Region transit ASes present in the Internet Routing Table:    26
Average LACNIC Region AS path length visible:                       6.8
    Max LACNIC Region AS path length visible:                        14
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    80
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:                    455
    Total AfriNIC prefixes after maximum aggregation:               122
    AfriNIC Deaggregation factor:                                  3.73
Prefixes being announced from the AfriNIC address blocks:           153
    Unique aggregates announced from the AfriNIC address blocks:    137
AfriNIC Region origin ASes present in the Internet Routing Table:     9
    AfriNIC Prefixes per ASN:                                     17.00
AfriNIC Region origin ASes announcing only one prefix:                2
AfriNIC Region transit ASes present in the Internet Routing Table:    4
Average AfriNIC Region AS path length visible:                      3.6
    Max AfriNIC Region AS path length visible:                        7
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    3
Number of AfriNIC addresses announced to Internet:              9821952
    Equivalent to 0 /8s, 149 /16s and 223 /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
  2907         609       2000     196  SINET-AS Research Organization of Infor
  7497         429        116       8  CSTNET-AS-AP Computer Network Informati
  1237         185         33       3  KREONET-AS-KR KISTI, KR
  7575         175        315      51  AARNET-AS-AP Australian Academic and Re
  4538         171       1394      38  ERX-CERNET-BKB China Education and Rese
 58647         164         16       1  KAGAWAU-AS Kagawa University, JP
 55824         128         18      19  NKN-CORE-NW NKN Core Network, IN
  4621          81          3       6  UNINET-AS-AP UNINET-, TH
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol University, T
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  6914         411         81      40  HCSNET-ASNBLK, US
  7896         250         50       5  NU-AS, US
   376         234        163      32  RISQ-AS, CA
  5786         195         16       1  UPRENET, PR
  2152         154        404      46  CSUNET-NW, US
 18558         137         18       4  NETBLK-RCOEK, US
  2920         109         16       1  LACOE, US
 21976          86         49      15  NJEDGE-NET, US
  1736          80         16       1  MU-AS, US
     3          78        528      13  MIT-GATEWAYS, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         276       1979     235  DFN Verein zur Foerderung eines Deutsch
   786         186       1732     177  JANET Jisc Services Limited, GB
  8895         143          0       2  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          98       1520      85  SURFNET-NL SURFnet, The Netherlands, NL
   137          82        653      75  ASGARR Consortium GARR, IT
   553          72        449      72  BELWUE BelWue-Koordination, DE
  2200          67        647      61  FR-RENATER Reseau National de telecommu
  2614          62         28      37  ROEDUNET, RO
  1930          57         81      52  RCCN Fundacao para a Ciencia e a Tecnol

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         177         81       7  Associacao Rede Nacional de Ensino e Pe
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          94         22      46  Red Universitaria Nacional, CL
  1251          65         12       2  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          60         69      34  Fundacao Carlos Chagas Filho de Amparo 
 52286          53          4      31  Columbus Networks Guatemala, GT
 19611          44         16       1  Associacao Antonio Vieira - Unisinos, B
  4270          42         16       1  Red de Interconexion Universitaria, AR
 61468          41          2      11  CEDIA, EC
 28614          38          1       1  Fundacao Universidade Regional de Blume

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         344        319      74  TENET-1, ZA
  2561          72          5      31  EUN, EG
  6879          24          2       9  ENSTINET-, EG
327945           4          0       2  ILRI, KE
 30983           3          4       1  MARWAN-AS, MA
328225           3          0       1  Strathmore-University, KE
328762           3          0       2  Mansoora-University, EG
  3208           1          2       1  ARN, DZ
 37717           1         16       1  EL-Khawarizmi, TN

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         609       2000     196  SINET-AS Research Organization of Infor
  7497         429        116       8  CSTNET-AS-AP Computer Network Informati
  6914         411         81      40  HCSNET-ASNBLK, US
  2018         344        319      74  TENET-1, ZA
   680         276       1979     235  DFN Verein zur Foerderung eines Deutsch
  7896         250         50       5  NU-AS, US
   376         234        163      32  RISQ-AS, CA
  5786         195         16       1  UPRENET, PR
   786         186       1732     177  JANET Jisc Services Limited, GB
  1237         185         33       3  KREONET-AS-KR KISTI, KR

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

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

   ASN  No of nets  Net Savings  Description
  7497         429          421  CSTNET-AS-AP Computer Network Information Cente
  6914         411          371  HCSNET-ASNBLK, US
  2018         344          270  TENET-1, ZA
  7896         250          245  NU-AS, US
   376         234          202  RISQ-AS, CA
  5786         195          194  UPRENET, PR
  1237         185          182  KREONET-AS-KR KISTI, KR
  1916         177          170  Associacao Rede Nacional de Ensino e Pesquisa, 
 58647         164          163  KAGAWAU-AS Kagawa University, JP
  8895         143          141  ISU Internet Services Unit ISU, SA

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     14822  UNALLOCATED  40.163.0.0/16            10466  MAGPI, US
     14822  UNALLOCATED  40.163.0.0/17            10466  MAGPI, US
     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
    394784  UNALLOCATED  92.107.242.0/24          40831  PHS, US
    396334  UNALLOCATED  5.143.136.0/21            5078  ONENET-AS-1, US
    396334  UNALLOCATED  5.143.136.0/24            5078  ONENET-AS-1, US

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

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

Prefix                Origin AS  Description
0.135.25.0/24              7896  NU-AS, US
0.28.128.0/18             13796  UCONN-ARIN, US
0.228.121.0/24           397380  TEMPLE-HEALTH, 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
0.245.192.0/24             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

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

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

Unassigned Network     ASN Information  AS Name
23.136.65.0/24       Origin:     23767  A-STAR-AS-AP A-STAR, SG
23.136.65.0/24      Transit:     23855  SINGAREN-GIX-AS-AP Singapore Advanced Re
23.136.66.0/24       Origin:     23767  A-STAR-AS-AP A-STAR, SG
23.136.66.0/24      Transit:     23855  SINGAREN-GIX-AS-AP Singapore Advanced Re
23.136.67.0/24       Origin:     23767  A-STAR-AS-AP A-STAR, SG
23.136.67.0/24      Transit:     23855  SINGAREN-GIX-AS-AP Singapore Advanced Re
23.136.68.0/24       Origin:     23767  A-STAR-AS-AP A-STAR, SG
23.136.68.0/24      Transit:     23855  SINGAREN-GIX-AS-AP Singapore Advanced Re
23.136.69.0/24       Origin:     23767  A-STAR-AS-AP A-STAR, SG
23.136.69.0/24      Transit:     23855  SINGAREN-GIX-AS-AP Singapore Advanced Re

Complete listing at https://bgp.nsrc.org/REN/KENET/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      /14:34      /15:121     /16:1949    /17:364     /18:409     
/19:542     /20:833     /21:849     /22:1360    /23:1500    /24:9978    
/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
  2907         330         609  SINET-AS Research Organization of Information a
  2018         249         344  TENET-1, ZA
  7497         244         429  CSTNET-AS-AP Computer Network Information Cente
  6914         202         411  HCSNET-ASNBLK, US
  1916         166         177  Associacao Rede Nacional de Ensino e Pesquisa, 
   680         138         276  DFN Verein zur Foerderung eines Deutschen Forsc
  1237         104         185  KREONET-AS-KR KISTI, KR
 11340          92          94  Red Universitaria Nacional, CL
  2561          72          72  EUN, EG
   376          71         234  RISQ-AS, CA

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

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

   1:313       2:678       3:796       4:528       5:269       6:268    
   7:222       8:132       9:193      10:184      11:33       12:175    
  13:4        14:23       16:83       17:75       18:57       19:33     
  20:16       21:27       22:13       23:10       24:39       25:5      
  28:81       29:173      30:95       31:88       32:61       33:138    
  34:97       36:187      37:69       38:9        39:5        40:35     
  41:2        42:43       43:27       44:54       46:124      47:58     
  48:159      49:13       50:39       51:6        52:73       53:11     
  54:18       55:50       56:68       57:25       58:45       59:117    
  60:25       61:16       62:20       63:59       64:41       65:54     
  66:2        67:16       68:163      69:10       70:50       72:2      
  73:2        75:31       76:8        77:10       78:1        79:12     
  80:21       81:12       82:6        84:3        85:41       86:3      
  87:17       88:13       89:3        90:54       91:36       92:1314   
  93:251      94:141      95:94       96:121      97:202      98:457    
  99:243    

End of report


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