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

REN Routing Table Report cscora at frr.nsrc.org
Thu Oct 20 18:50:45 UTC 2022


IPv4 R&E Routing Table Report   18:50 GMT Thu 20 Oct, 2022

  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:                               15025
    Prefixes after maximum aggregation (per Origin AS):            8468
    Deaggregation factor:                                          1.77
    Unique aggregates announced (without unneeded subnets):        9422
    Number of IPv4 prefixes with a valid ROA:                      4032
    Number of IPv4 prefixes with an invalid ROA:                      7
    Number of IPv4 prefixes with no ROA:                          10986
Total ASes present in the Internet Routing Table:                  2224
    Prefixes per ASN:                                              6.76
Origin-only ASes present in the Internet Routing Table:            1902
Origin ASes announcing only one prefix:                             868
Transit ASes present in the Internet Routing Table:                 322
Transit-only ASes present in the Internet Routing Table:             63
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:                                      18
    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:                      40435
Number of 32-bit ASNs visible in the Routing Table:                 514
Prefixes from 32-bit ASNs in the Routing Table:                    1381
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:                    183617536
    Equivalent to 10 /8s, 241 /16s and 200 /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:        1796

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

Prefixes being announced by APNIC Region ASes:                     3826
    Total APNIC prefixes after maximum aggregation:                2024
    APNIC Deaggregation factor:                                    1.89
Prefixes being announced from the APNIC address blocks:            3827
    Unique aggregates announced from the APNIC address blocks:     2228
APNIC Region origin ASes present in the Internet Routing Table:     486
    APNIC Prefixes per ASN:                                        7.87
APNIC Region origin ASes announcing only one prefix:                217
APNIC Region transit ASes present in the Internet Routing Table:     59
Average APNIC Region AS path length visible:                        5.2
    Max APNIC Region AS path length visible:                         18
Number of APNIC region 32-bit ASNs visible in the Routing Table:    192
Number of APNIC addresses announced to Internet:               44638208
    Equivalent to 2 /8s, 169 /16s and 32 /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:                      5503
    Total ARIN prefixes after maximum aggregation:                 3071
    ARIN Deaggregation factor:                                     1.79
Prefixes being announced from the ARIN address blocks:             5514
    Unique aggregates announced from the ARIN address blocks:      3465
ARIN Region origin ASes present in the Internet Routing Table:      898
    ARIN Prefixes per ASN:                                         6.14
ARIN Region origin ASes announcing only one prefix:                 319
ARIN Region transit ASes present in the Internet Routing Table:     128
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:     129
Number of ARIN addresses announced to Internet:                77107200
    Equivalent to 4 /8s, 152 /16s and 144 /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:                      3313
    Total RIPE prefixes after maximum aggregation:                 2640
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3307
    Unique aggregates announced from the RIPE address blocks:      2674
RIPE Region origin ASes present in the Internet Routing Table:      604
    RIPE Prefixes per ASN:                                         5.48
RIPE Region origin ASes announcing only one prefix:                 268
RIPE Region transit ASes present in the Internet Routing Table:      91
Average RIPE Region AS path length visible:                         4.9
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     123
Number of RIPE addresses announced to Internet:                55905536
    Equivalent to 3 /8s, 85 /16s and 13 /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:                    1428
    Total LACNIC prefixes after maximum aggregation:                573
    LACNIC Deaggregation factor:                                   2.49
Prefixes being announced from the LACNIC address blocks:           1425
    Unique aggregates announced from the LACNIC address blocks:     784
LACNIC Region origin ASes present in the Internet Routing Table:    160
    LACNIC Prefixes per ASN:                                       8.91
LACNIC Region origin ASes announcing only one prefix:                62
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:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    67
Number of LACNIC addresses announced to Internet:               4214528
    Equivalent to 0 /8s, 64 /16s and 79 /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:                    952
    Total AfriNIC prefixes after maximum aggregation:               157
    AfriNIC Deaggregation factor:                                  6.06
Prefixes being announced from the AfriNIC address blocks:           952
    Unique aggregates announced from the AfriNIC address blocks:    271
AfriNIC Region origin ASes present in the Internet Routing Table:    10
    AfriNIC Prefixes per ASN:                                     95.20
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:                      2.2
    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:              1752064
    Equivalent to 0 /8s, 26 /16s and 188 /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         570       2156     457  SINET-AS Research Organization of Infor
  7497         431        182      24  CSTNET-AS-AP Computer Network Informati
  4538         190       4192      73  ERX-CERNET-BKB China Education and Rese
  1237         186         74     134  KREONET-AS-KR KISTI, KR
  7575         176        329     121  AARNET-AS-AP Australian Academic and Re
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP
 55824         113         18      10  NKN-CORE-NW NKN Core Network, IN
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol University, T
  2697          54          3      32  ERX-ERNET-AS Education and Research Net
  1659          52       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         200         16       1  UPRENET, PR
  2152         148        507      90  CSUNET-NW, US
 18558         134         18       4  NETBLK-RCOEK, US
   270         120        329      85  AS270, US
 23024         115          7      13  OCDE, US
  2920         108         34       7  LACOE, US
 32531          90          6      60  FORDHAM-UNIVERSITY, US
 21976          85         51      18  NJEDGE-NET, US
     3          78        496      15  MIT-GATEWAYS, US
  3477          70         74      38  NOAA-NWAVE, 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       1934     245  DFN Verein zur Foerderung eines Deutsch
   786         186       1775     183  JANET Jisc Services Limited, GB
  8895         134         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          98       1520      86  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
  2200          62        583      57  FR-RENATER Reseau National de telecommu
  1930          58         81      53  RCCN Fundacao para a Ciencia e a Tecnol

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         157        208      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          96         24      54  Red Universitaria Nacional, CL
  1251          58         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  4270          44         16       1  Red de Interconexion Universitaria, AR
 61468          42          3      15  CEDIA, EC
 28571          40         40      18  UNIVERSIDADE DE SAO PAULO, BR
 28614          38          2       2  Fundacao Universidade Regional de Blume
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B

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         471         81      36  KENET-AS, KE
  2018         376        319      72  TENET-1, ZA
  2561          67          4      32  EUN, EG
  6879          24          2       9  ENSTINET-, EG
 30983           4          4       1  MARWAN-AS, MA
327945           4          0       2  ILRI, KE
328225           2          0       1  Strathmore-University, KE
328762           2          0       2  Mansoora-University, EG
  3208           1          2       1  ARN, DZ
 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         570       2156     457  SINET-AS Research Organization of Infor
 36914         471         81      36  KENET-AS, KE
  7497         431        182      24  CSTNET-AS-AP Computer Network Informati
  2018         376        319      72  TENET-1, ZA
   680         276       1934     245  DFN Verein zur Foerderung eines Deutsch
  5786         200         16       1  UPRENET, PR
  4538         190       4192      73  ERX-CERNET-BKB China Education and Rese
   786         186       1775     183  JANET Jisc Services Limited, GB
  1237         186         74     134  KREONET-AS-KR KISTI, KR
  7575         176        329     121  AARNET-AS-AP Australian Academic and Re

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         471          435  KENET-AS, KE
  7497         431          407  CSTNET-AS-AP Computer Network Information Cente
  2018         376          304  TENET-1, ZA
  5786         200          199  UPRENET, PR
 58647         175          173  KAGAWAU-AS Kagawa University, JP
  8895         134          130  ISU Internet Services Unit ISU, SA
 18558         134          130  NETBLK-RCOEK, US
  4538         190          117  ERX-CERNET-BKB China Education and Research Net
  1916         157          114  Rede Nacional de Ensino e Pesquisa, BR
 55824         113          103  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
     65216  PRIVATE      91.196.28.0/22          199713  MLL-AS, GB
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, 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       /10:2       /11:1       /12:10      
/13:19      /14:34      /15:118     /16:1740    /17:376     /18:373     
/19:448     /20:702     /21:754     /22:1131    /23:1283    /24:8033    
/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         451         471  KENET-AS, KE
  8895         129         134  ISU Internet Services Unit ISU, SA
 23024          53         115  OCDE, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 32440          32          47  LONI, US
 25977          30          44  HCCS, US
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
200521          28          49  SEAP-AGE, ES
  1968          22          34  UMASSNET-AS1968, US
  3267          22          56  RUNNET, RU

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

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

   1:3         5:15        8:2        14:85       18:43       23:5      
  24:2        31:7        35:4        38:6        41:185      42:15     
  44:4        45:28       46:5        49:10       52:1        58:12     
  59:9        60:4        61:3        62:9        63:3        64:23     
  65:1        66:11       67:41       68:1        69:21       70:2      
  72:7        74:13       76:37       77:8        78:2        79:10     
  80:18       81:25       82:8        83:6        84:4        85:30     
  86:6        87:1        88:1        89:9        91:43       92:1      
  93:4        94:4        95:1        97:2        98:2       101:8      
 102:1       103:270     104:73      108:2       109:10      110:4      
 111:10      116:6       118:18      119:23      121:19      122:8      
 123:8       124:39      125:4       128:65      129:35      130:88     
 131:42      132:51      133:146     134:32      136:200     137:48     
 138:9       139:5       140:41      141:1       143:24      144:23     
 146:129     147:26      148:190     149:12      150:122     151:6      
 152:71      153:14      154:22      155:48      156:67      157:23     
 158:42      159:115     160:26      161:18      162:12      163:65     
 164:10      165:11      166:1       167:12      168:117     169:9      
 170:54      171:1       172:2       173:6       175:30      176:8      
 177:11      179:10      180:18      181:1       182:3       185:34     
 186:3       187:17      188:13      189:3       190:33      191:36     
 192:1183    193:298     194:129     195:87      196:138     197:256    
 198:277     199:121     200:227     201:38      202:468     203:236    
 204:269     205:34      206:68      207:84      208:60      209:82     
 210:137     211:12      212:165     213:5       216:33      217:11     
 218:21      219:12      220:6       222:6       223:4      

End of report


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