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

REN Routing Table Report cscora at frr.nsrc.org
Mon Feb 21 18:50:33 UTC 2022


IPv4 R&E Routing Table Report   18:50 GMT Mon 21 Feb, 2022

  BGP Table (R&E) as seen at KENET.

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

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

BGP routing table entries examined:                               17137
    Prefixes after maximum aggregation (per Origin AS):            9414
    Deaggregation factor:                                          1.82
    Unique aggregates announced (without unneeded subnets):       10421
    Number of IPv4 prefixes with a valid ROA:                      3512
    Number of IPv4 prefixes with an invalid ROA:                      0
    Number of IPv4 prefixes with no ROA:                          13625
Total ASes present in the Internet Routing Table:                  2541
    Prefixes per ASN:                                              6.74
Origin-only ASes present in the Internet Routing Table:            2191
Origin ASes announcing only one prefix:                            1027
Transit ASes present in the Internet Routing Table:                 350
Transit-only ASes present in the Internet Routing Table:             53
Average AS path length visible in the Internet Routing Table:       5.2
    Max AS path length visible:                                      15
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                 4
    Number of instances of unregistered ASNs:                         4
Number of 32-bit ASNs allocated by the RIRs:                      38607
Number of 32-bit ASNs visible in the Routing Table:                 578
Prefixes from 32-bit ASNs in the Routing Table:                    1485
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:              2
Number of addresses announced to Internet:                    195915264
    Equivalent to 11 /8s, 173 /16s and 110 /24s
    Percentage of available address space announced:                5.3
    Percentage of allocated address space announced:                5.3
    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:        2008

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

Prefixes being announced by APNIC Region ASes:                     4724
    Total APNIC prefixes after maximum aggregation:                2336
    APNIC Deaggregation factor:                                    2.02
Prefixes being announced from the APNIC address blocks:            4725
    Unique aggregates announced from the APNIC address blocks:     2663
APNIC Region origin ASes present in the Internet Routing Table:     592
    APNIC Prefixes per ASN:                                        7.98
APNIC Region origin ASes announcing only one prefix:                257
APNIC Region transit ASes present in the Internet Routing Table:     64
Average APNIC Region AS path length visible:                        5.7
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    232
Number of APNIC addresses announced to Internet:               46177024
    Equivalent to 2 /8s, 192 /16s and 155 /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:                      6620
    Total ARIN prefixes after maximum aggregation:                 3562
    ARIN Deaggregation factor:                                     1.86
Prefixes being announced from the ARIN address blocks:             6633
    Unique aggregates announced from the ARIN address blocks:      3905
ARIN Region origin ASes present in the Internet Routing Table:     1031
    ARIN Prefixes per ASN:                                         6.43
ARIN Region origin ASes announcing only one prefix:                 375
ARIN Region transit ASes present in the Internet Routing Table:     141
Average ARIN Region AS path length visible:                         5.3
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     136
Number of ARIN addresses announced to Internet:                85829888
    Equivalent to 5 /8s, 29 /16s and 169 /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:                      3381
    Total RIPE prefixes after maximum aggregation:                 2744
    RIPE Deaggregation factor:                                     1.23
Prefixes being announced from the RIPE address blocks:             3368
    Unique aggregates announced from the RIPE address blocks:      2735
RIPE Region origin ASes present in the Internet Routing Table:      674
    RIPE Prefixes per ASN:                                         5.00
RIPE Region origin ASes announcing only one prefix:                 320
RIPE Region transit ASes present in the Internet Routing Table:     100
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:     134
Number of RIPE addresses announced to Internet:                57982464
    Equivalent to 3 /8s, 116 /16s and 190 /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:                    1516
    Total LACNIC prefixes after maximum aggregation:                609
    LACNIC Deaggregation factor:                                   2.49
Prefixes being announced from the LACNIC address blocks:           1517
    Unique aggregates announced from the LACNIC address blocks:     841
LACNIC Region origin ASes present in the Internet Routing Table:    178
    LACNIC Prefixes per ASN:                                       8.52
LACNIC Region origin ASes announcing only one prefix:                73
LACNIC Region transit ASes present in the Internet Routing Table:    27
Average LACNIC Region AS path length visible:                       6.1
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    73
Number of LACNIC addresses announced to Internet:               4188160
    Equivalent to 0 /8s, 63 /16s and 232 /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:                    892
    Total AfriNIC prefixes after maximum aggregation:               159
    AfriNIC Deaggregation factor:                                  5.61
Prefixes being announced from the AfriNIC address blocks:           892
    Unique aggregates announced from the AfriNIC address blocks:    275
AfriNIC Region origin ASes present in the Internet Routing Table:     9
    AfriNIC Prefixes per ASN:                                     99.11
AfriNIC Region origin ASes announcing only one prefix:                2
AfriNIC Region transit ASes present in the Internet Routing Table:    5
Average AfriNIC Region AS path length visible:                      2.2
    Max AfriNIC Region AS path length visible:                        6
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    3
Number of AfriNIC addresses announced to Internet:              1737216
    Equivalent to 0 /8s, 26 /16s and 130 /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         571       2156     457  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
  1237         186         74     135  KREONET-AS-KR KISTI, KR
  4538         177       4192      72  ERX-CERNET-BKB China Education and Rese
  7575         175        330     122  AARNET-AS-AP Australian Academic and Re
 58647         166         18       2  KAGAWAU-AS Kagawa University, JP
 55824         129         19      22  NKN-CORE-NW NKN Core Network, IN
  4621          80         37      10  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
  7896         251         51       7  NU-AS, US
  5786         200         16       1  UPRENET, PR
  2152         144        507      86  CSUNET-NW, US
 18558         136         18       4  NETBLK-RCOEK, US
   270         119        329      88  AS270, US
  2920         108         34       6  LACOE, US
 21976          85         51      18  NJEDGE-NET, US
  1736          80         16       1  MU-AS, US
     3          77        496      15  MIT-GATEWAYS, US
  3477          76         71      45  NOAA-NWAVE, 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         274       1948     241  DFN Verein zur Foerderung eines Deutsch
   786         186       1774     183  JANET Jisc Services Limited, GB
  8895         143         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          99       1520      86  SURFNET-NL SURFnet, The Netherlands, NL
   137          82        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  BELWUE BelWue-Koordination, DE
  2200          66        647      61  FR-RENATER Reseau National de telecommu
  2614          63         30      60  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         176        207      41  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          95         24      54  Red Universitaria Nacional, CL
  1251          65         37      20  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
 52286          54          4      31  Columbus Networks Guatemala, GT
 19611          45         17       2  Associacao Antonio Vieira - Unisinos, B
  4270          44         16       1  Red de Interconexion Universitaria, AR
 61468          41          3      15  CEDIA, EC
 28614          38          2       2  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
 36914         433         81      37  KENET-AS, KE
  2018         351        319      74  TENET-1, ZA
  2561          73          5      32  EUN, EG
  6879          24          2       9  ENSTINET-, EG
327945           4          0       2  ILRI, KE
328225           3          0       1  Strathmore-University, KE
328762           2          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         571       2156     457  SINET-AS Research Organization of Infor
 36914         433         81      37  KENET-AS, KE
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
  2018         351        319      74  TENET-1, ZA
   680         274       1948     241  DFN Verein zur Foerderung eines Deutsch
  7896         251         51       7  NU-AS, US
  5786         200         16       1  UPRENET, PR
   786         186       1774     183  JANET Jisc Services Limited, GB
  1237         186         74     135  KREONET-AS-KR KISTI, KR
  4538         177       4192      72  ERX-CERNET-BKB China Education and Rese

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         432          408  CSTNET-AS-AP Computer Network Information Cente
 36914         433          396  KENET-AS, KE
  2018         351          277  TENET-1, ZA
  7896         251          244  NU-AS, US
  5786         200          199  UPRENET, PR
 58647         166          164  KAGAWAU-AS Kagawa University, JP
  8895         143          139  ISU Internet Services Unit ISU, SA
  1916         176          135  Rede Nacional de Ensino e Pesquisa, BR
 18558         136          132  NETBLK-RCOEK, US
 55824         129          107  NKN-CORE-NW NKN Core Network, IN

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
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
     22226  UNALLOCATED  156.1.0.0/16              2152  CSUNET-NW, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US
    395514  UNALLOCATED  205.213.88.0/24           2381  WISCNET1-AS, US

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

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

Prefix                Origin AS  Description
192.88.99.0/24             1103  SURFNET-NL SURFnet, The Netherlands, NL

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

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

Unassigned Network     ASN Information  AS Name
192.31.196.0/24      Origin:       112  UNASSIGNED
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24       Origin:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24      Transit:     20965  GEANT The GEANT IP Service, NL

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      
/13:18      /14:35      /15:122     /16:1894    /17:370     /18:393     
/19:520     /20:799     /21:839     /22:1300    /23:1447    /24:9386    
/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
 36914         413         433  KENET-AS, KE
  8895         138         143  ISU Internet Services Unit ISU, SA
 23024          53          56  OCDE, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 25977          31          45  HCCS, US
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US
 32440          29          44  LONI, US
 40326          29          33  ECKERD-COLLEGE, US
 30220          25          26  SWTELCOOP, US

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

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

   1:4         5:15        8:2        12:1        14:85       18:42     
  23:8        24:2        31:6        37:6        38:7        40:1      
  41:181      42:14       44:5        45:42       46:6        47:1      
  49:10       50:1        52:1        58:7        59:20       60:4      
  61:3        62:7        63:34       64:46       66:32       67:43     
  68:8        69:20       70:2        71:1        72:10       74:20     
  76:33       77:7        78:3        79:10       80:15       81:28     
  82:4        83:6        84:5        85:32       86:4        87:1      
  88:1        89:10       91:44       92:1        93:24       94:4      
  95:4        97:1        98:2       101:8       102:1       103:323    
 104:13      106:1       108:8       109:10      110:3       111:19     
 112:4       114:23      116:5       117:61      118:32      119:22     
 121:27      122:8       123:8       124:39      125:4       128:80     
 129:174     130:91      131:49      132:53      133:140     134:89     
 136:192     137:73      138:8       139:4       140:35      141:2      
 143:27      144:52      145:1       146:128     147:55      148:191    
 149:13      150:39      151:6       152:71      153:11      154:19     
 155:51      156:68      157:26      158:42      159:115     160:25     
 161:21      162:19      163:57      164:43      165:55      166:2      
 167:12      168:162     169:10      170:53      171:1       172:2      
 173:2       175:31      176:8       177:12      178:1       179:11     
 180:21      181:16      182:5       184:3       185:38      186:3      
 187:17      188:13      189:5       190:49      191:33      192:1290   
 193:262     194:139     195:86      196:125     197:222     198:331    
 199:154     200:252     201:39      202:641     203:424     204:283    
 205:96      206:101     207:103     208:64      209:92      210:182    
 211:13      212:151     213:4       216:65      217:15      218:25     
 219:12      220:16      222:5       223:4      

End of report


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