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

REN Routing Table Report cscora at frr.nsrc.org
Tue Feb 14 18:50:45 UTC 2023


IPv4 R&E Routing Table Report   18:50 GMT Tue 14 Feb, 2023

  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:                               14889
    Prefixes after maximum aggregation (per Origin AS):            8430
    Deaggregation factor:                                          1.77
    Unique aggregates announced (without unneeded subnets):        9321
    Number of IPv4 prefixes with a valid ROA:                      4094
    Number of IPv4 prefixes with an invalid ROA:                     40
    Number of IPv4 prefixes with no ROA:                          10755
Total ASes present in the Internet Routing Table:                  2194
    Prefixes per ASN:                                              6.79
Origin-only ASes present in the Internet Routing Table:            1883
Origin ASes announcing only one prefix:                             848
Transit ASes present in the Internet Routing Table:                 311
Transit-only ASes present in the Internet Routing Table:             58
Paths with bogon ASNs present in the IPv4 Routing Table:              1
Average AS path length visible in the Internet Routing Table:       5.1
    Max AS path length visible:                                      20
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                 3
    Number of instances of unregistered ASNs:                         3
Number of 32-bit ASNs allocated by the RIRs:                      41188
Number of 32-bit ASNs visible in the Routing Table:                 490
Prefixes from 32-bit ASNs in the Routing Table:                    1297
Number of bogon 32-bit ASNs visible in the Routing Table:             1
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:              1
Number of addresses announced to Internet:                    183292928
    Equivalent to 10 /8s, 236 /16s and 212 /24s
    Percentage of available address space announced:                5.0
    Percentage of allocated address space announced:                5.0
    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:        1843

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

Prefixes being announced by APNIC Region ASes:                     3774
    Total APNIC prefixes after maximum aggregation:                2006
    APNIC Deaggregation factor:                                    1.88
Prefixes being announced from the APNIC address blocks:            3775
    Unique aggregates announced from the APNIC address blocks:     2192
APNIC Region origin ASes present in the Internet Routing Table:     467
    APNIC Prefixes per ASN:                                        8.08
APNIC Region origin ASes announcing only one prefix:                206
APNIC Region transit ASes present in the Internet Routing Table:     55
Average APNIC Region AS path length visible:                        5.2
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    175
Number of APNIC addresses announced to Internet:               44481792
    Equivalent to 2 /8s, 166 /16s and 189 /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:                      5524
    Total ARIN prefixes after maximum aggregation:                 3100
    ARIN Deaggregation factor:                                     1.78
Prefixes being announced from the ARIN address blocks:             5538
    Unique aggregates announced from the ARIN address blocks:      3487
ARIN Region origin ASes present in the Internet Routing Table:      906
    ARIN Prefixes per ASN:                                         6.11
ARIN Region origin ASes announcing only one prefix:                 323
ARIN Region transit ASes present in the Internet Routing Table:     124
Average ARIN Region AS path length visible:                         5.3
    Max ARIN Region AS path length visible:                          20
Number of ARIN region 32-bit ASNs visible in the Routing Table:     133
Number of ARIN addresses announced to Internet:                77137152
    Equivalent to 4 /8s, 153 /16s and 5 /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:                      3333
    Total RIPE prefixes after maximum aggregation:                 2655
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3324
    Unique aggregates announced from the RIPE address blocks:      2696
RIPE Region origin ASes present in the Internet Routing Table:      606
    RIPE Prefixes per ASN:                                         5.49
RIPE Region origin ASes announcing only one prefix:                 267
RIPE Region transit ASes present in the Internet Routing Table:      93
Average RIPE Region AS path length visible:                         4.9
    Max RIPE Region AS path length visible:                          12
Number of RIPE region 32-bit ASNs visible in the Routing Table:     121
Number of RIPE addresses announced to Internet:                55910656
    Equivalent to 3 /8s, 85 /16s and 33 /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:                    1332
    Total LACNIC prefixes after maximum aggregation:                551
    LACNIC Deaggregation factor:                                   2.42
Prefixes being announced from the LACNIC address blocks:           1328
    Unique aggregates announced from the LACNIC address blocks:     768
LACNIC Region origin ASes present in the Internet Routing Table:    147
    LACNIC Prefixes per ASN:                                       9.03
LACNIC Region origin ASes announcing only one prefix:                50
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:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    59
Number of LACNIC addresses announced to Internet:               4035328
    Equivalent to 0 /8s, 61 /16s and 147 /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:                    923
    Total AfriNIC prefixes after maximum aggregation:               115
    AfriNIC Deaggregation factor:                                  8.03
Prefixes being announced from the AfriNIC address blocks:           923
    Unique aggregates announced from the AfriNIC address blocks:    177
AfriNIC Region origin ASes present in the Internet Routing Table:     8
    AfriNIC Prefixes per ASN:                                    115.38
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:                      2.0
    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:              1727488
    Equivalent to 0 /8s, 26 /16s and 92 /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         583       2157     462  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  4538         191       4190      72  ERX-CERNET-BKB China Education and Rese
  1237         184         74     133  KREONET-AS-KR KISTI, KR
 58647         177         18       2  KAGAWAU-AS Kagawa University, JP
  7575         173        329     119  AARNET-AS-AP Australian Academic and Re
 55824         117         18      11  NKN-CORE-NW NKN Core Network, IN
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol University, T
  2697          55          3      33  ERX-ERNET-AS Education and Research Net
  1659          51       1450      34  ERX-TANET-ASN1 Taiwan Academic Network 

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         199         16       1  UPRENET, PR
  2152         149        507      93  CSUNET-NW, US
 18558         134         18       4  NETBLK-RCOEK, US
   270         120        329      85  AS270, US
 23024         113          7      17  OCDE, US
  2920         107         34       7  LACOE, US
 32531          90          6      60  FORDHAM-UNIVERSITY, US
 21976          85         51      18  NJEDGE-NET, US
  3477          70         62      41  NOAA-NWAVE, US
 22742          68         53      33  CT-EDU-NET, 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       1918     245  DFN Verein zur Foerderung eines Deutsch
   786         186       1775     183  JANET Jisc Services Limited, GB
  8895         135         24       4  ISU Internet Services Unit ISU, SA
   559         113        550     104  SWITCH Peering requests: peering at switch
  1103          95       1518      85  SURFNET-NL SURFnet, The Netherlands, NL
  2614          95         27      75  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  BELWUE BelWue-Koordination, DE
  1930          65         81      60  RCCN Fundacao para a Ciencia e a Tecnol
  2200          62        583      57  FR-RENATER Reseau National de telecommu

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         158        208      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         104         24      47  Red Universitaria Nacional, CL
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  1251          53         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  4270          45         16       1  Red de Interconexion Universitaria, AR
 61468          42          3      14  CEDIA, EC
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
 28571          37         40      18  UNIVERSIDADE DE SAO PAULO, BR
 28614          36          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         503         81      36  KENET-AS, KE
  2018         375        319      72  TENET-1, ZA
  3208          32          2       1  ARN, DZ
 30983           4          4       1  MARWAN-AS, MA
327945           4          0       2  ILRI, KE
328225           3          0       1  Strathmore-University, KE
  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         583       2157     462  SINET-AS Research Organization of Infor
 36914         503         81      36  KENET-AS, KE
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  2018         375        319      72  TENET-1, ZA
   680         276       1918     245  DFN Verein zur Foerderung eines Deutsch
  5786         199         16       1  UPRENET, PR
  4538         191       4190      72  ERX-CERNET-BKB China Education and Rese
   786         186       1775     183  JANET Jisc Services Limited, GB
  1237         184         74     133  KREONET-AS-KR KISTI, KR
 58647         177         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         503          467  KENET-AS, KE
  7497         434          410  CSTNET-AS-AP Computer Network Information Cente
  2018         375          303  TENET-1, ZA
  5786         199          198  UPRENET, PR
 58647         177          175  KAGAWAU-AS Kagawa University, JP
  8895         135          131  ISU Internet Services Unit ISU, SA
 18558         134          130  NETBLK-RCOEK, US
  4538         191          119  ERX-CERNET-BKB China Education and Research Net
  1916         158          115  Rede Nacional de Ensino e Pesquisa, BR
 55824         117          106  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
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     65591  UNALLOCATED  196.21.92.0/22            2018  TENET-1, ZA
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

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

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

Unassigned Network     ASN Information  AS Name
102.36.194.0/23      Origin:      2018  TENET-1, ZA
102.36.194.0/23     Transit:     11537  INTERNET2-RESEARCH-EDU, US

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      /15:118     /16:1734    /17:368     /18:375     
/19:444     /20:715     /21:738     /22:1111    /23:1274    /24:7945    
/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         483         503  KENET-AS, KE
  8895         130         135  ISU Internet Services Unit ISU, SA
 23024          52         113  OCDE, US
 32440          35          50  LONI, US
 25977          30          44  HCCS, US
 28614          30          36  Fundacao Universidade Regional de Blumenau, BR
263282          29          32  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
200521          28          51  SEAP-AGE, ES
 36794          24          26  SCOCA, US
  1968          22          34  UMASSNET-AS1968, 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        14:88       23:5      
  24:2        31:7        35:6        38:7        41:187      42:15     
  44:4        45:25       46:5        49:7        52:1        58:12     
  59:9        60:4        61:3        62:11       63:3        64:30     
  65:1        66:10       67:41       68:1        69:21       70:2      
  72:7        74:13       76:39       77:8        78:2        79:10     
  80:17       81:25       82:6        83:6        84:7        85:28     
  86:5        87:1        89:9        91:44       92:2        93:4      
  94:4        95:1        97:1        98:2       101:8       103:248    
 104:76      108:2       109:10      110:2       111:7       116:6      
 118:18      119:21      121:20      122:8       123:8       124:39     
 125:4       128:65      129:36      130:86      131:43      132:52     
 133:149     134:33      136:199     137:49      138:9       139:5      
 140:41      141:1       143:23      144:23      146:131     147:25     
 148:191     149:12      150:122     151:7       152:72      153:14     
 154:22      155:51      156:68      157:23      158:36      159:113    
 160:27      161:16      162:12      163:66      164:10      165:8      
 166:1       167:8       168:117     169:9       170:55      171:1      
 172:3       173:6       175:31      176:8       177:8       179:9      
 180:17      181:1       182:1       184:2       185:33      186:3      
 187:17      188:13      189:3       190:15      191:35      192:1197   
 193:285     194:132     195:40      196:138     197:286     198:281    
 199:122     200:214     201:35      202:469     203:233     204:270    
 205:37      206:70      207:82      208:60      209:91      210:138    
 211:14      212:165     213:5       216:35      217:11      218:21     
 219:12      220:6       222:6       223:9      

End of report


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