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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Jan 30 18:50:39 UTC 2024


IPv4 R&E Routing Table Report   18:50 GMT Tue 30 Jan, 2024

  IPv4 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:                               16892
    Prefixes after maximum aggregation (per Origin AS):            9386
    Deaggregation factor:                                          1.80
    Unique aggregates announced (without unneeded subnets):       10346
    Number of IPv4 prefixes with a valid ROA:                      5129
    Number of IPv4 prefixes with an invalid ROA:                      6
    Number of IPv4 prefixes with no ROA:                          11757
Total ASes present in the Internet Routing Table:                  2469
    Prefixes per ASN:                                              6.84
Origin-only ASes present in the Internet Routing Table:            2122
Origin ASes announcing only one prefix:                             962
Transit ASes present in the Internet Routing Table:                 347
Transit-only ASes present in the Internet Routing Table:             72
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       5.1
    Max AS path length visible:                                      15
    Max AS path prepend of ASN ( 47805)                              11
Prefixes from unregistered ASNs in the Routing Table:                15
    Number of instances of unregistered ASNs:                        15
Number of 32-bit ASNs allocated by the RIRs:                      43500
Number of 32-bit ASNs visible in the Routing Table:                 555
Prefixes from 32-bit ASNs in the Routing Table:                    1513
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:              2
Number of addresses announced to Internet:                    191991040
    Equivalent to 11 /8s, 113 /16s and 141 /24s
    Percentage of available address space announced:                5.2
    Percentage of allocated address space announced:                5.2
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.6
Total number of prefixes smaller than registry allocations:        2120

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

Prefixes being announced by APNIC Region ASes:                     4555
    Total APNIC prefixes after maximum aggregation:                2215
    APNIC Deaggregation factor:                                    2.06
Prefixes being announced from the APNIC address blocks:            4554
    Unique aggregates announced from the APNIC address blocks:     2521
APNIC Region origin ASes present in the Internet Routing Table:     505
    APNIC Prefixes per ASN:                                        9.02
APNIC Region origin ASes announcing only one prefix:                219
APNIC Region transit ASes present in the Internet Routing Table:     55
Average APNIC Region AS path length visible:                        5.4
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    179
Number of APNIC addresses announced to Internet:               45454336
    Equivalent to 2 /8s, 181 /16s and 148 /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, 131072-153913
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:                      6585
    Total ARIN prefixes after maximum aggregation:                 3629
    ARIN Deaggregation factor:                                     1.81
Prefixes being announced from the ARIN address blocks:             6615
    Unique aggregates announced from the ARIN address blocks:      3965
ARIN Region origin ASes present in the Internet Routing Table:     1062
    ARIN Prefixes per ASN:                                         6.23
ARIN Region origin ASes announcing only one prefix:                 374
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:     166
Number of ARIN addresses announced to Internet:                83218944
    Equivalent to 4 /8s, 245 /16s and 210 /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:                      3593
    Total RIPE prefixes after maximum aggregation:                 2897
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3580
    Unique aggregates announced from the RIPE address blocks:      2935
RIPE Region origin ASes present in the Internet Routing Table:      684
    RIPE Prefixes per ASN:                                         5.23
RIPE Region origin ASes announcing only one prefix:                 309
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:     148
Number of RIPE addresses announced to Internet:                57632512
    Equivalent to 3 /8s, 111 /16s and 103 /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
                       196608-216475
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:                    1177
    Total LACNIC prefixes after maximum aggregation:                496
    LACNIC Deaggregation factor:                                   2.37
Prefixes being announced from the LACNIC address blocks:           1174
    Unique aggregates announced from the LACNIC address blocks:     700
LACNIC Region origin ASes present in the Internet Routing Table:    134
    LACNIC Prefixes per ASN:                                       8.76
LACNIC Region origin ASes announcing only one prefix:                57
LACNIC Region transit ASes present in the Internet Routing Table:    24
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        14
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    60
Number of LACNIC addresses announced to Internet:               3951872
    Equivalent to 0 /8s, 60 /16s and 77 /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:                    967
    Total AfriNIC prefixes after maximum aggregation:               137
    AfriNIC Deaggregation factor:                                  7.06
Prefixes being announced from the AfriNIC address blocks:           967
    Unique aggregates announced from the AfriNIC address blocks:    223
AfriNIC Region origin ASes present in the Internet Routing Table:     9
    AfriNIC Prefixes per ASN:                                    107.44
AfriNIC Region origin ASes announcing only one prefix:                3
AfriNIC Region transit ASes present in the Internet Routing Table:    4
Average AfriNIC Region AS path length visible:                      1.9
    Max AfriNIC Region AS path length visible:                        6
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    2
Number of AfriNIC addresses announced to Internet:              1731072
    Equivalent to 0 /8s, 26 /16s and 106 /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         590       2162     464  SINET-AS Research Organization of Infor
  7497         439        180      23  CSTNET-AS-AP Computer Network Informati
  1237         194         74     142  KREONET-AS-KR KISTI, KR
  4538         181       4193      75  ERX-CERNET-BKB China Education and Rese
 58647         180         18       2  KAGAWAU-AS Kagawa University, JP
  7575         176        329     119  AARNET-AS-AP Australian Academic and Re
 55824         128         19      18  NKN-CORE-NW NKN Core Network, IN
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, T
  4621          70         37      10  UNINET-AS-AP UNINET-, TH
  9411          66         16       2  NONTRINET-AS-AP Kasetsart University, T

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
  5786         198         16       1  UPRENET, PR
  2152         144        507      93  CSUNET-NW, US
 18558         141         18       4  NETBLK-RCOEK, US
    81         126        521      30  NCREN, US
   270         118        329      82  AS270, US
 23024         109          7      22  OCDE, US
  2920         103         34       7  LACOE, US
 21976          81         51      19  NJEDGE-NET, US
  1736          79         16       1  MU-AS, US
   237          72        527      44  MERIT-AS-14, 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         283       1899     249  DFN Verein zur Foerderung eines Deutsch
   786         184       1767     181  JANET Jisc Services Limited, GB
  8895         132         24       5  ISU Internet Services Unit ISU, SA
   559         114        533     104  SWITCH Peering requests: peering at switch
  1103          95       1503      83  SURFNET-NL SURFnet, The Netherlands, NL
  2614          93         27      73  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
  1930          79         88      74  RCCN Fundacao para a Ciencia e a Tecnol
  3267          79         44      68  RUNNET, RU
   553          78        462      78  BELWUE BelWue-Koordination, DE

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
 28391         154         10      67  Universidad Juarez Autonoma de Tabasco,
  1916         149        176      42  Rede Nacional de Ensino e Pesquisa, BR
 11340         106         24      50  Red Universitaria Nacional, CL
271640          68          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
  2715          44         99      34  Fundacao Carlos Chagas Filho de Amparo 
 61468          43          3      14  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
  1251          35         32      25  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  3596          34          4       3  Universidad Autonoma Metropolitana, MX

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         547         80      50  KENET-AS, KE
  2018         382        319      71  TENET-1, ZA
  6879          24          2       9  ENSTINET-, EG
 30983           4          4       1  MARWAN-AS, MA
327945           4          0       2  ILRI, KE
328225           3          0       1  Strathmore-University, KE
  3208           1          2       1  ARN, DZ
  6149           1          0       1  TENET-2, ZA
 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         590       2162     464  SINET-AS Research Organization of Infor
 36914         547         80      50  KENET-AS, KE
  7497         439        180      23  CSTNET-AS-AP Computer Network Informati
  2018         382        319      71  TENET-1, ZA
   680         283       1899     249  DFN Verein zur Foerderung eines Deutsch
  5786         198         16       1  UPRENET, PR
  1237         194         74     142  KREONET-AS-KR KISTI, KR
   786         184       1767     181  JANET Jisc Services Limited, GB
  4538         181       4193      75  ERX-CERNET-BKB China Education and Rese
 58647         180         18       2  KAGAWAU-AS Kagawa University, JP

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

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

   ASN  No of nets  Net Savings  Description
 36914         547          497  KENET-AS, KE
  7497         439          416  CSTNET-AS-AP Computer Network Information Cente
  2018         382          311  TENET-1, ZA
  5786         198          197  UPRENET, PR
 58647         180          178  KAGAWAU-AS Kagawa University, JP
 18558         141          137  NETBLK-RCOEK, US
  8895         132          127  ISU Internet Services Unit ISU, SA
 55824         128          110  NKN-CORE-NW NKN Core Network, IN
  1916         149          107  Rede Nacional de Ensino e Pesquisa, BR
  4538         181          106  ERX-CERNET-BKB China Education and Research Net

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
     26303  UNALLOCATED  76.165.220.0/24          32440  LONI, US
     26303  UNALLOCATED  76.165.221.0/24          32440  LONI, US
     26303  UNALLOCATED  76.165.222.0/24          32440  LONI, US
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     11570  UNALLOCATED  192.94.216.0/24          40498  ABQG, US
     11570  UNALLOCATED  192.207.226.0/24         40498  ABQG, US
     11570  UNALLOCATED  198.59.106.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.107.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.108.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.188.0/24          40498  ABQG, US

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

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

Unassigned Network     ASN Information  AS Name
192.31.196.0/24      Origin:       112  RESERVED, ZZ
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
220.156.176.0/21     Origin:     23767  A-STAR-AS-AP A-STAR, SG
220.156.176.0/21    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       /10:1       /11:1       /12:10      
/13:19      /14:35      /15:120     /16:1877    /17:403     /18:410     
/19:530     /20:786     /21:786     /22:1345    /23:1402    /24:9166    
/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         529         547  KENET-AS, KE
  8895         127         132  ISU Internet Services Unit ISU, SA
 23024          52         109  OCDE, US
 32440          38          62  LONI, US
  3267          36          79  RUNNET, RU
200521          33          55  SEAP-AGE, ES
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
 25977          30          44  HCCS, US
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US

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

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

   1:2         5:15        8:2        12:1        14:89       23:4      
  24:3        31:7        35:6        38:7        40:1        41:187    
  42:16       44:7        45:37       46:5        47:1        49:9      
  50:1        52:1        58:11       59:20       60:6        61:3      
  62:10       63:32       64:47       65:1        66:42       67:41     
  68:10       69:17       70:2        71:1        72:7        74:51     
  76:41       77:10       78:3        79:10       80:12       81:25     
  82:7        83:7        84:8        85:43       86:4        87:1      
  89:10       91:51       92:2        93:4        94:4        95:2      
  97:1        98:2       101:5       103:216     104:75      108:8      
 109:7       111:15      114:24      116:8       117:61      118:33     
 119:19      121:27      122:8       123:8       124:40      125:5      
 128:82      129:40      130:82      131:43      132:46      133:155    
 134:99      136:197     137:60      138:57      139:4       140:36     
 141:3       143:16      144:23      145:2       146:133     147:53     
 148:193     149:12      150:43      151:12      152:132     153:14     
 154:23      155:63      156:69      157:18      158:35      159:109    
 160:30      161:15      162:19      163:76      164:13      165:47     
 166:1       167:9       168:105     169:7       170:18      171:1      
 172:3       173:7       175:18      176:8       177:5       179:11     
 180:15      181:1       182:1       184:2       185:56      186:3      
 187:17      188:14      189:3       190:17      191:13      192:1315   
 193:269     194:145     195:77      196:141     197:334     198:322    
 199:144     200:229     201:37      202:621     203:424     204:309    
 205:54      206:105     207:78      208:67      209:91      210:195    
 211:15      212:160     213:5       216:62      217:10      218:22     
 219:5       220:16      222:3       223:14     

End of report


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