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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Nov 9 18:50:41 UTC 2024


IPv4 R&E Routing Table Report   18:50 GMT Sat 09 Nov, 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:                               18577
    Prefixes after maximum aggregation (per Origin AS):           10332
    Deaggregation factor:                                          1.80
    Unique aggregates announced (without unneeded subnets):       11470
    Number of IPv4 prefixes with a valid ROA:                      7292
    Number of IPv4 prefixes with an invalid ROA:                      5
    Number of IPv4 prefixes with no ROA:                          11280
Total ASes present in the Internet Routing Table:                  2710
    Prefixes per ASN:                                              6.85
Origin-only ASes present in the Internet Routing Table:            2350
Origin ASes announcing only one prefix:                            1035
Transit ASes present in the Internet Routing Table:                 360
Transit-only ASes present in the Internet Routing Table:             61
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       5.2
    Max AS path length visible:                                      29
    Max AS path prepend of ASN (138136)                              20
Prefixes from unregistered ASNs in the Routing Table:                 1
    Number of instances of unregistered ASNs:                         1
Number of 32-bit ASNs allocated by the RIRs:                      45822
Number of 32-bit ASNs visible in the Routing Table:                 659
Prefixes from 32-bit ASNs in the Routing Table:                    1811
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:                    197466368
    Equivalent to 11 /8s, 197 /16s and 25 /24s
    Percentage of available address space announced:                5.3
    Percentage of allocated address space announced:                4.1
    Percentage of available address space allocated:              128.7
    Percentage of address space in use by end-sites:               99.6
Total number of prefixes smaller than registry allocations:        6775

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

Prefixes being announced by APNIC Region ASes:                     4677
    Total APNIC prefixes after maximum aggregation:                2295
    APNIC Deaggregation factor:                                    2.04
Prefixes being announced from the APNIC address blocks:             474
    Unique aggregates announced from the APNIC address blocks:      394
APNIC Region origin ASes present in the Internet Routing Table:     584
    APNIC Prefixes per ASN:                                        0.81
APNIC Region origin ASes announcing only one prefix:                246
APNIC Region transit ASes present in the Internet Routing Table:     59
Average APNIC Region AS path length visible:                        5.6
    Max APNIC Region AS path length visible:                         29
Number of APNIC region 32-bit ASNs visible in the Routing Table:    233
Number of APNIC addresses announced to Internet:                7137536
    Equivalent to 0 /8s, 108 /16s and 233 /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    43/8,  45/8, 146/8, 150/8, 160/8, 163/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                      7919
    Total ARIN prefixes after maximum aggregation:                 4482
    ARIN Deaggregation factor:                                     1.77
Prefixes being announced from the ARIN address blocks:             4145
    Unique aggregates announced from the ARIN address blocks:      2909
ARIN Region origin ASes present in the Internet Routing Table:     1231
    ARIN Prefixes per ASN:                                         3.37
ARIN Region origin ASes announcing only one prefix:                 435
ARIN Region transit ASes present in the Internet Routing Table:     150
Average ARIN Region AS path length visible:                         5.4
    Max ARIN Region AS path length visible:                          17
Number of ARIN region 32-bit ASNs visible in the Routing Table:     204
Number of ARIN addresses announced to Internet:                26128128
    Equivalent to 1 /8s, 142 /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, 393216-402332
ARIN Address Blocks     66/8, 139/8, 144/8, 149/8, 162/8, 192/8, 198/8,
                       199/8, 204/8, 205/8, 207/8, 208/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                      3575
    Total RIPE prefixes after maximum aggregation:                 2873
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:              855
    Unique aggregates announced from the RIPE address blocks:       813
RIPE Region origin ASes present in the Internet Routing Table:      671
    RIPE Prefixes per ASN:                                         1.27
RIPE Region origin ASes announcing only one prefix:                 299
RIPE Region transit ASes present in the Internet Routing Table:     107
Average RIPE Region AS path length visible:                         5.0
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     158
Number of RIPE addresses announced to Internet:                10146560
    Equivalent to 0 /8s, 154 /16s and 211 /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    152/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                    1442
    Total LACNIC prefixes after maximum aggregation:                537
    LACNIC Deaggregation factor:                                   2.69
Prefixes being announced from the LACNIC address blocks:            249
    Unique aggregates announced from the LACNIC address blocks:     194
LACNIC Region origin ASes present in the Internet Routing Table:    153
    LACNIC Prefixes per ASN:                                       1.63
LACNIC Region origin ASes announcing only one prefix:                51
LACNIC Region transit ASes present in the Internet Routing Table:    22
Average LACNIC Region AS path length visible:                       6.1
    Max LACNIC Region AS path length visible:                        15
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    61
Number of LACNIC addresses announced to Internet:                921088
    Equivalent to 0 /8s, 14 /16s and 14 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + ERX transfers
LACNIC Address Blocks  128/8, 216/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                    963
    Total AfriNIC prefixes after maximum aggregation:               144
    AfriNIC Deaggregation factor:                                  6.69
Prefixes being announced from the AfriNIC address blocks:            74
    Unique aggregates announced from the AfriNIC address blocks:     43
AfriNIC Region origin ASes present in the Internet Routing Table:     9
    AfriNIC Prefixes per ASN:                                      8.22
AfriNIC Region origin ASes announcing only one prefix:                4
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:    3
Number of AfriNIC addresses announced to Internet:               467968
    Equivalent to 0 /8s, 7 /16s and 36 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 161/8,

APNIC Region per AS prefix count summary
----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         590       2170     464  SINET-AS Research Organization of Informa
  7497         447        180      24  CSTNET-AS-AP Computer Network Information
  1237         191         74     145  KREONET-AS-KR KISTI, KR
 58647         180         18       2  KAGAWAU-AS Kagawa University, JP
  7575         172        329     115  AARNET-AS-AP Australian Academic and Rese
 55824         131         18      18  NKN-CORE-NW NKN Core Network, IN
  4538         130       4192      72  ERX-CERNET-BKB China Education and Resear
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, Tha
  4621          70         37      11  UNINET-AS-AP UNINET-, TH
  2697          60          4      35  ERX-ERNET-AS Education and Research Netwo

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
   376         201        162     150  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
  2920         175         34       7  LACOE, US
  2152         150        507      97  CENIC-2152, US
 18558         140         18       4  NETBLK-RCOEK, US
    81         134        517      33  NCREN, US
   293         106         33      11  ESNET, US
 23024          95          7      21  OCDE, US
 21976          91         50      17  NJEDGE-NET, US
   237          85        541      50  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         281       1899     248  DFN Verein zur Foerderung eines Deutschen
   786         186       1767     183  JANET Jisc Services Limited, GB
  8895         133         24       5  ISU Internet Services Unit ISU, SA
   559         114        533     104  SWITCH Peering requests: peering at switch.c
  1103          97       1759      84  SURFNET-NL SURFnet, The Netherlands, NL
  2614          93         26      73  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
  1930          79         88      74  RCCN Fundacao para a Ciencia e a Tecnolog
   553          78        462      78  BELWUE BelWue-Koordination, DE
  3267          77         26      67  NIKS, 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
  1916         216        178      42  Rede Nacional de Ensino e Pesquisa, BR
 28391         154         10      68  Universidad Juarez Autonoma de Tabasco, M
 11340         110         25      53  Red Universitaria Nacional, CL
271640          66          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
 61468          51          5      17  CEDIA, EC
  2715          50        100      36  Fundacao Carlos Chagas Filho de Amparo a 
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, BR
  4270          47         16       2  Red de Interconexion Universitaria, AR
 28614          38          2       2  Fundacao Universidade Regional de Blumena
  1251          37         31      26  FUNDACAO DE AMPARO A PESQUISA DO ESTADO S

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         548         80      57  KENET-AS, KE
  2018         382        319      71  TENET-1, ZA
  6879          24          2       9  ENSTINET-, EG
328225           3          0       1  Strathmore-University, KE
327945           2          0       2  ILRI, KE
  3208           1          2       1  ARN, DZ
  6149           1          0       1  TENET-2, ZA
 37717           1         16       1  EL-Khawarizmi, TN
329418           1          0       1  International-Centre-Research-Agroforestr

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       2170     464  SINET-AS Research Organization of Informa
 36914         548         80      57  KENET-AS, KE
  7497         447        180      24  CSTNET-AS-AP Computer Network Information
  2018         382        319      71  TENET-1, ZA
   680         281       1899     248  DFN Verein zur Foerderung eines Deutschen
  1916         216        178      42  Rede Nacional de Ensino e Pesquisa, BR
   376         201        162     150  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
  1237         191         74     145  KREONET-AS-KR KISTI, KR
   786         186       1767     183  JANET Jisc Services Limited, GB

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         548          491  KENET-AS, KE
  7497         447          423  CSTNET-AS-AP Computer Network Information Cente
  2018         382          311  TENET-1, ZA
  5786         197          196  UPRENET, PR
 58647         180          178  KAGAWAU-AS Kagawa University, JP
  1916         216          174  Rede Nacional de Ensino e Pesquisa, BR
  2920         175          168  LACOE, US
 18558         140          136  NETBLK-RCOEK, US
  8895         133          128  ISU Internet Services Unit ISU, SA
 55824         131          113  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
     26971  UNALLOCATED  129.111.0.0/16             276  OTS-AS-276, 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       /12:11      
/13:18      /14:35      /15:117     /16:1940    /17:414     /18:439     
/19:561     /20:820     /21:850     /22:1406    /23:1504    /24:10459   
/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
  7497         263         447  CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS, CN
 36914         206         548  KENET-AS, KE
  5786         196         197  UPRENET, PR
 28391         154         154  Universidad Juarez Autonoma de Tabasco, MX
 58647         149         180  KAGAWAU-AS Kagawa University, JP
 55824         124         131  NKN-CORE-NW NKN Core Network, IN
  2018         123         382  TENET-1, ZA
  2920         123         175  LACOE, US
   293          93         106  ESNET, US
  1736          78          79  MU-AS, 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        14:92       23:6      
  24:3        31:1        35:3        37:8        38:10       40:1      
  41:181      42:11       44:5        45:48       46:4        47:1      
  49:10       50:2        52:1        59:19       60:6        61:3      
  62:9        63:32       64:44       65:4        66:41       67:40     
  68:12       69:19       70:2        71:1        72:7        74:53     
  76:41       77:10       78:3        79:10       80:12       81:25     
  82:7        83:7        84:5        85:45       86:5        87:1      
  89:11       91:41       92:2        93:13       94:2        95:2      
  96:5        97:1        98:2       101:1       102:1       103:332    
 104:78      108:8       109:4       111:19      113:2       114:24     
 116:9       117:61      118:33      119:23      121:27      122:8      
 123:8       124:42      125:5       128:55      129:36      130:95     
 131:59      132:65      133:154     134:174     136:197     137:51     
 138:58      139:6       140:34      141:3       142:52      143:19     
 144:25      145:2       146:137     147:60      148:195     149:12     
 150:40      151:9       152:140     153:14      154:24      155:63     
 156:138     157:27      158:30      159:118     160:31      161:16     
 162:22      163:58      164:11      165:49      166:1       167:10     
 168:120     169:7       170:89      171:1       172:2       173:7      
 175:16      177:6       179:13      180:16      182:11      184:6      
 185:54      186:3       187:21      188:13      189:2       190:18     
 191:13      192:1378    193:274     194:137     195:75      196:138    
 197:336     198:443     199:244     200:331     201:37      202:636    
 203:439     204:372     205:131     206:208     207:222     208:65     
 209:103     210:217     211:3       212:164     213:6       216:89     
 217:9       218:21      219:5       220:17      222:2       223:15     


End of report


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