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

REN Routing Table Report cscora at frr.nsrc.org
Sun May 21 18:50:42 UTC 2023


IPv4 R&E Routing Table Report   18:50 GMT Sun 21 May, 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:                               17357
    Prefixes after maximum aggregation (per Origin AS):            9564
    Deaggregation factor:                                          1.81
    Unique aggregates announced (without unneeded subnets):       10611
    Number of IPv4 prefixes with a valid ROA:                      4675
    Number of IPv4 prefixes with an invalid ROA:                      6
    Number of IPv4 prefixes with no ROA:                          12676
Total ASes present in the Internet Routing Table:                  2548
    Prefixes per ASN:                                              6.81
Origin-only ASes present in the Internet Routing Table:            2195
Origin ASes announcing only one prefix:                             982
Transit ASes present in the Internet Routing Table:                 353
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:       5.2
    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:                      41915
Number of 32-bit ASNs visible in the Routing Table:                 596
Prefixes from 32-bit ASNs in the Routing Table:                    1589
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:              3
Number of addresses announced to Internet:                    195187456
    Equivalent to 11 /8s, 162 /16s and 83 /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:               99.6
Total number of prefixes smaller than registry allocations:        2130

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

Prefixes being announced by APNIC Region ASes:                     4749
    Total APNIC prefixes after maximum aggregation:                2304
    APNIC Deaggregation factor:                                    2.06
Prefixes being announced from the APNIC address blocks:            4749
    Unique aggregates announced from the APNIC address blocks:     2632
APNIC Region origin ASes present in the Internet Routing Table:     579
    APNIC Prefixes per ASN:                                        8.20
APNIC Region origin ASes announcing only one prefix:                252
APNIC Region transit ASes present in the Internet Routing Table:     60
Average APNIC Region AS path length visible:                        5.5
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    226
Number of APNIC addresses announced to Internet:               45958144
    Equivalent to 2 /8s, 189 /16s and 68 /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:                      6527
    Total ARIN prefixes after maximum aggregation:                 3659
    ARIN Deaggregation factor:                                     1.78
Prefixes being announced from the ARIN address blocks:             6542
    Unique aggregates announced from the ARIN address blocks:      4019
ARIN Region origin ASes present in the Internet Routing Table:     1051
    ARIN Prefixes per ASN:                                         6.22
ARIN Region origin ASes announcing only one prefix:                 370
ARIN Region transit ASes present in the Internet Routing Table:     142
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:     158
Number of ARIN addresses announced to Internet:                85518080
    Equivalent to 5 /8s, 24 /16s and 231 /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:                      3575
    Total RIPE prefixes after maximum aggregation:                 2857
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3564
    Unique aggregates announced from the RIPE address blocks:      2881
RIPE Region origin ASes present in the Internet Routing Table:      679
    RIPE Prefixes per ASN:                                         5.25
RIPE Region origin ASes announcing only one prefix:                 300
RIPE Region transit ASes present in the Internet Routing Table:     105
Average RIPE Region AS path length visible:                         5.0
    Max RIPE Region AS path length visible:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:     143
Number of RIPE addresses announced to Internet:                57940736
    Equivalent to 3 /8s, 116 /16s and 27 /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:                    1476
    Total LACNIC prefixes after maximum aggregation:                566
    LACNIC Deaggregation factor:                                   2.61
Prefixes being announced from the LACNIC address blocks:           1473
    Unique aggregates announced from the LACNIC address blocks:     785
LACNIC Region origin ASes present in the Internet Routing Table:    159
    LACNIC Prefixes per ASN:                                       9.26
LACNIC Region origin ASes announcing only one prefix:                58
LACNIC Region transit ASes present in the Internet Routing Table:    24
Average LACNIC Region AS path length visible:                       6.1
    Max LACNIC Region AS path length visible:                        14
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    66
Number of LACNIC addresses announced to Internet:               4020480
    Equivalent to 0 /8s, 61 /16s and 89 /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:                   1027
    Total AfriNIC prefixes after maximum aggregation:               175
    AfriNIC Deaggregation factor:                                  5.87
Prefixes being announced from the AfriNIC address blocks:          1026
    Unique aggregates announced from the AfriNIC address blocks:    291
AfriNIC Region origin ASes present in the Internet Routing Table:    11
    AfriNIC Prefixes per ASN:                                     93.27
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:              1748992
    Equivalent to 0 /8s, 26 /16s and 176 /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         595       2154     465  SINET-AS Research Organization of Infor
  7497         435        182      24  CSTNET-AS-AP Computer Network Informati
  4538         192       4192      73  ERX-CERNET-BKB China Education and Rese
  1237         191         74     140  KREONET-AS-KR KISTI, KR
 58647         178         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
  4621          70         37      10  UNINET-AS-AP UNINET-, TH
  9411          66         16       2  NONTRINET-AS-AP Kasetsart University, T
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol 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         160         16       1  UPRENET, PR
  2152         135        507      92  CSUNET-NW, US
 18558         134         18       4  NETBLK-RCOEK, US
    81         129        521      32  NCREN, 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
  1736          79         16       1  MU-AS, 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       1919     249  DFN Verein zur Foerderung eines Deutsch
   786         186       1775     183  JANET Jisc Services Limited, GB
  8895         137         24       5  ISU Internet Services Unit ISU, SA
   559         112        533     104  SWITCH Peering requests: peering at switch
  1103          95       1518      84  SURFNET-NL SURFnet, The Netherlands, NL
  2614          94         27      74  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          74        465      74  BELWUE BelWue-Koordination, DE
  1930          65         81      60  RCCN Fundacao para a Ciencia e a Tecnol
  2200          64        599      59  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         221        208      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         103         24      47  Red Universitaria Nacional, CL
  1251          61         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  4270          45         16       1  Red de Interconexion Universitaria, AR
 61468          43          3      15  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
 28571          37         40      18  UNIVERSIDADE DE SAO PAULO, BR

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         509         80      51  KENET-AS, KE
  2018         382        319      72  TENET-1, ZA
  2561          67          4      34  EUN, EG
  3208          32          2       1  ARN, DZ
  6879          24          2       9  ENSTINET-, EG
 30983           4          4       1  MARWAN-AS, MA
327945           3          0       2  ILRI, KE
328225           2          0       1  Strathmore-University, KE
328762           2          0       2  Mansoora-University, EG
  6149           1          0       1  TENET-2, ZA

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         595       2154     465  SINET-AS Research Organization of Infor
 36914         509         80      51  KENET-AS, KE
  7497         435        182      24  CSTNET-AS-AP Computer Network Informati
  2018         382        319      72  TENET-1, ZA
   680         283       1919     249  DFN Verein zur Foerderung eines Deutsch
  1916         221        208      43  Rede Nacional de Ensino e Pesquisa, BR
  4538         192       4192      73  ERX-CERNET-BKB China Education and Rese
  1237         191         74     140  KREONET-AS-KR KISTI, KR
   786         186       1775     183  JANET Jisc Services Limited, GB
 58647         178         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         509          458  KENET-AS, KE
  7497         435          411  CSTNET-AS-AP Computer Network Information Cente
  2018         382          310  TENET-1, ZA
  1916         221          178  Rede Nacional de Ensino e Pesquisa, BR
 58647         178          176  KAGAWAU-AS Kagawa University, JP
  5786         160          159  UPRENET, PR
  8895         137          132  ISU Internet Services Unit ISU, SA
 18558         134          130  NETBLK-RCOEK, US
  4538         192          119  ERX-CERNET-BKB China Education and Research Net
 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
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, US
    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
192.31.196.0/24      Origin:       112  UNASSIGNED
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
202.58.231.0/24      Origin:    134096  EHEALTHNSW-AS-AP eHealth NSW, AU
202.58.231.0/24     Transit:      7575  AARNET-AS-AP Australian Academic and Res

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      /14:35      /15:121     /16:1878    /17:389     /18:400     
/19:524     /20:790     /21:799     /22:1375    /23:1446    /24:9567    
/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         490         509  KENET-AS, KE
  8895         132         137  ISU Internet Services Unit ISU, SA
 23024          52         113  OCDE, US
 32440          37          59  LONI, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
200521          32          55  SEAP-AGE, ES
 25977          30          44  HCCS, US
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
 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        14:87       23:5      
  24:3        31:7        35:6        38:7        40:1        41:183    
  42:15       44:6        45:33       46:5        47:1        49:6      
  50:3        52:1        58:12       59:20       60:4        61:3      
  62:11       63:33       64:51       65:1        66:31       67:41     
  68:8        69:19       70:2        71:1        72:7        74:50     
  76:40       77:9        78:3        79:10       80:14       81:26     
  82:7        83:6        84:8        85:40       86:10       87:1      
  89:10       91:49       92:2        93:4        94:4        95:2      
  97:1        98:2       101:8       102:1       103:293     104:75     
 108:8       109:9       110:2       111:15      114:23      116:6      
 117:61      118:33      119:21      121:30      122:8       123:8      
 124:39      125:4       128:85      129:39      130:86      131:39     
 132:46      133:157     134:93      136:160     137:58      138:9      
 139:5       140:35      141:1       143:22      144:23      145:2      
 146:131     147:53      148:192     149:12      150:130     151:10     
 152:144     153:14      154:24      155:55      156:68      157:35     
 158:35      159:114     160:27      161:20      162:19      163:74     
 164:10      165:51      166:1       167:12      168:125     169:8      
 170:63      171:1       172:3       173:7       175:31      176:8      
 177:9       179:12      180:15      181:1       182:1       184:3      
 185:53      186:3       187:17      188:13      189:3       190:18     
 191:36      192:1302    193:347     194:145     195:106     196:140    
 197:298     198:329     199:143     200:314     201:38      202:643    
 203:430     204:301     205:53      206:100     207:101     208:65     
 209:92      210:189     211:17      212:167     213:5       216:66     
 217:10      218:22      219:12      220:16      222:6       223:14     


End of report


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