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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Apr 3 18:50:40 UTC 2024


IPv4 R&E Routing Table Report   18:50 GMT Wed 03 Apr, 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:                               15591
    Prefixes after maximum aggregation (per Origin AS):            8771
    Deaggregation factor:                                          1.78
    Unique aggregates announced (without unneeded subnets):        9752
    Number of IPv4 prefixes with a valid ROA:                      4582
    Number of IPv4 prefixes with an invalid ROA:                      0
    Number of IPv4 prefixes with no ROA:                          11009
Total ASes present in the Internet Routing Table:                  2279
    Prefixes per ASN:                                              6.84
Origin-only ASes present in the Internet Routing Table:            1961
Origin ASes announcing only one prefix:                             867
Transit ASes present in the Internet Routing Table:                 318
Transit-only ASes present in the Internet Routing Table:             67
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:                                      17
    Max AS path prepend of ASN ( 47805)                              11
Prefixes from unregistered ASNs in the Routing Table:                11
    Number of instances of unregistered ASNs:                        11
Number of 32-bit ASNs allocated by the RIRs:                      43987
Number of 32-bit ASNs visible in the Routing Table:                 529
Prefixes from 32-bit ASNs in the Routing Table:                    1447
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:              0
Number of addresses announced to Internet:                    182576896
    Equivalent to 10 /8s, 225 /16s and 231 /24s
    Percentage of available address space announced:                4.9
    Percentage of allocated address space announced:                4.9
    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:        1865

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

Prefixes being announced by APNIC Region ASes:                     4190
    Total APNIC prefixes after maximum aggregation:                2197
    APNIC Deaggregation factor:                                    1.91
Prefixes being announced from the APNIC address blocks:            4190
    Unique aggregates announced from the APNIC address blocks:     2511
APNIC Region origin ASes present in the Internet Routing Table:     503
    APNIC Prefixes per ASN:                                        8.33
APNIC Region origin ASes announcing only one prefix:                223
APNIC Region transit ASes present in the Internet Routing Table:     53
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         17
Number of APNIC region 32-bit ASNs visible in the Routing Table:    188
Number of APNIC addresses announced to Internet:               45219328
    Equivalent to 2 /8s, 177 /16s and 254 /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:                      5652
    Total ARIN prefixes after maximum aggregation:                 3140
    ARIN Deaggregation factor:                                     1.80
Prefixes being announced from the ARIN address blocks:             5676
    Unique aggregates announced from the ARIN address blocks:      3513
ARIN Region origin ASes present in the Internet Routing Table:      920
    ARIN Prefixes per ASN:                                         6.17
ARIN Region origin ASes announcing only one prefix:                 315
ARIN Region transit ASes present in the Internet Routing Table:     126
Average ARIN Region AS path length visible:                         5.2
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     142
Number of ARIN addresses announced to Internet:                75525632
    Equivalent to 4 /8s, 128 /16s and 110 /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:                      3405
    Total RIPE prefixes after maximum aggregation:                 2733
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3394
    Unique aggregates announced from the RIPE address blocks:      2755
RIPE Region origin ASes present in the Internet Routing Table:      618
    RIPE Prefixes per ASN:                                         5.49
RIPE Region origin ASes announcing only one prefix:                 269
RIPE Region transit ASes present in the Internet Routing Table:      95
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:     131
Number of RIPE addresses announced to Internet:                55844608
    Equivalent to 3 /8s, 84 /16s and 31 /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:                    1375
    Total LACNIC prefixes after maximum aggregation:                553
    LACNIC Deaggregation factor:                                   2.49
Prefixes being announced from the LACNIC address blocks:           1373
    Unique aggregates announced from the LACNIC address blocks:     749
LACNIC Region origin ASes present in the Internet Routing Table:    161
    LACNIC Prefixes per ASN:                                       8.53
LACNIC Region origin ASes announcing only one prefix:                57
LACNIC Region transit ASes present in the Internet Routing Table:    25
Average LACNIC Region AS path length visible:                       6.2
    Max LACNIC Region AS path length visible:                        15
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    66
Number of LACNIC addresses announced to Internet:               4272128
    Equivalent to 0 /8s, 65 /16s and 48 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + 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:                    958
    Total AfriNIC prefixes after maximum aggregation:               139
    AfriNIC Deaggregation factor:                                  6.89
Prefixes being announced from the AfriNIC address blocks:           958
    Unique aggregates announced from the AfriNIC address blocks:    224
AfriNIC Region origin ASes present in the Internet Routing Table:     8
    AfriNIC Prefixes per ASN:                                    119.75
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:              1715200
    Equivalent to 0 /8s, 26 /16s and 44 /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         591       2162     464  SINET-AS Research Organization of Infor
  7497         438        178      21  CSTNET-AS-AP Computer Network Informati
  1237         189         74     142  KREONET-AS-KR KISTI, KR
  4538         183       4193      75  ERX-CERNET-BKB China Education and Rese
 58647         182         18       2  KAGAWAU-AS Kagawa University, JP
  7575         170        329     114  AARNET-AS-AP Australian Academic and Re
 55824         130         19      19  NKN-CORE-NW NKN Core Network, IN
  4762          61          4       1  MAHIDOL-BORDER-AS Mahidol University, T
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
  2697          58          4      34  ERX-ERNET-AS Education and Research Net

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         195         16       1  UPRENET, PR
  2152         145        507      94  CSUNET-NW, US
 18558         140         18       4  NETBLK-RCOEK, US
    81         127        521      30  NCREN, US
   270         117        328      81  AS270, US
 23024         108          7      22  OCDE, US
  2920         102         34       7  LACOE, US
 21976          79         51      18  NJEDGE-NET, US
   237          72        527      44  MERIT-AS-14, US
  6325          68        170      14  ILLINOIS-CENTURY, 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         284       1899     250  DFN Verein zur Foerderung eines Deutsch
   786         186       1767     183  JANET Jisc Services Limited, GB
  8895         134         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
   553          78        462      78  BELWUE BelWue-Koordination, DE
  3267          77         44      68  RUNNET, RU

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         152         10      66  Universidad Juarez Autonoma de Tabasco,
  1916         141        176      42  Rede Nacional de Ensino e Pesquisa, BR
 11340         108         25      51  Red Universitaria Nacional, CL
271640          67          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          49         16       2  Red de Interconexion Universitaria, AR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
  2715          45         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

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         543         80      53  KENET-AS, KE
  2018         381        319      71  TENET-1, ZA
  6879          24          2       9  ENSTINET-, EG
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         591       2162     464  SINET-AS Research Organization of Infor
 36914         543         80      53  KENET-AS, KE
  7497         438        178      21  CSTNET-AS-AP Computer Network Informati
  2018         381        319      71  TENET-1, ZA
   680         284       1899     250  DFN Verein zur Foerderung eines Deutsch
  5786         195         16       1  UPRENET, PR
  1237         189         74     142  KREONET-AS-KR KISTI, KR
   786         186       1767     183  JANET Jisc Services Limited, GB
  4538         183       4193      75  ERX-CERNET-BKB China Education and Rese
 58647         182         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         543          490  KENET-AS, KE
  7497         438          417  CSTNET-AS-AP Computer Network Information Cente
  2018         381          310  TENET-1, ZA
  5786         195          194  UPRENET, PR
 58647         182          180  KAGAWAU-AS Kagawa University, JP
 18558         140          136  NETBLK-RCOEK, US
  8895         134          129  ISU Internet Services Unit ISU, SA
 55824         130          111  NKN-CORE-NW NKN Core Network, IN
  4538         183          108  ERX-CERNET-BKB China Education and Research Net
  1916         141           99  Rede Nacional de Ensino e Pesquisa, BR

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
    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
     11570  UNALLOCATED  198.59.189.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.190.0/24          40498  ABQG, US
     11570  UNALLOCATED  204.134.85.0/24          40498  ABQG, US

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

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      /14:34      /15:117     /16:1764    /17:383     /18:385     
/19:484     /20:726     /21:757     /22:1208    /23:1343    /24:8358    
/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         525         543  KENET-AS, KE
  8895         129         134  ISU Internet Services Unit ISU, SA
 23024          51         108  OCDE, US
 32440          38          62  LONI, US
  3267          35          77  RUNNET, RU
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
200521          32          54  SEAP-AGE, ES
 25977          30          44  HCCS, US
 26898          24          32  LNOCA-ORG, US
 36794          24          26  SCOCA, 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        14:90       23:4        24:3      
  31:1        35:4        38:6        41:188      42:16       44:4      
  45:33       46:5        47:1        49:9        50:1        58:10     
  59:11       60:6        61:3        62:9        63:3        64:18     
  65:1        66:22       67:41       68:2        69:17       70:2      
  72:7        74:16       76:41       77:11       78:2        79:10     
  80:12       81:23       82:6        83:7        84:6        85:28     
  86:4        87:1        89:10       91:45       92:2        93:3      
  94:2        95:2        97:1        98:2       101:5       103:254    
 104:75      108:2       109:7       111:10      114:24      116:8      
 117:61      118:19      119:20      121:15      122:8       123:8      
 124:42      125:5       128:62      129:36      130:82      131:39     
 132:50      133:157     134:44      136:194     137:51      138:57     
 139:4       140:34      141:3       143:17      144:23      145:1      
 146:133     147:27      148:191     149:12      150:42      151:9      
 152:134     153:14      154:23      155:60      156:68      157:20     
 158:35      159:114     160:30      161:10      162:12      163:68     
 164:14      165:47      166:1       167:8       168:121     169:6      
 170:87      171:1       172:3       173:6       175:25      176:8      
 177:6       179:13      180:15      181:1       182:8       184:1      
 185:46      186:3       187:17      188:13      189:3       190:17     
 191:13      192:1230    193:264     194:132     195:70      196:140    
 197:329     198:273     199:107     200:256     201:37      202:469    
 203:301     204:286     205:37      206:65      207:64      208:67     
 209:90      210:188     211:15      212:159     213:5       216:31     
 217:10      218:22      219:5       220:17      222:3       223:14     


End of report


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