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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Mar 17 18:50:40 UTC 2024


IPv4 R&E Routing Table Report   18:50 GMT Sun 17 Mar, 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:                               15533
    Prefixes after maximum aggregation (per Origin AS):            8792
    Deaggregation factor:                                          1.77
    Unique aggregates announced (without unneeded subnets):        9765
    Number of IPv4 prefixes with a valid ROA:                      5091
    Number of IPv4 prefixes with an invalid ROA:                      6
    Number of IPv4 prefixes with no ROA:                          10436
Total ASes present in the Internet Routing Table:                  2271
    Prefixes per ASN:                                              6.84
Origin-only ASes present in the Internet Routing Table:            1953
Origin ASes announcing only one prefix:                             857
Transit ASes present in the Internet Routing Table:                 318
Transit-only ASes present in the Internet Routing Table:             68
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:                10
    Number of instances of unregistered ASNs:                        10
Number of 32-bit ASNs allocated by the RIRs:                      43852
Number of 32-bit ASNs visible in the Routing Table:                 525
Prefixes from 32-bit ASNs in the Routing Table:                    1449
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:                    182343680
    Equivalent to 10 /8s, 222 /16s and 88 /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:        1844

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

Prefixes being announced by APNIC Region ASes:                     4141
    Total APNIC prefixes after maximum aggregation:                2198
    APNIC Deaggregation factor:                                    1.88
Prefixes being announced from the APNIC address blocks:            4141
    Unique aggregates announced from the APNIC address blocks:     2518
APNIC Region origin ASes present in the Internet Routing Table:     497
    APNIC Prefixes per ASN:                                        8.33
APNIC Region origin ASes announcing only one prefix:                219
APNIC Region transit ASes present in the Internet Routing Table:     51
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:    185
Number of APNIC addresses announced to Internet:               45151744
    Equivalent to 2 /8s, 176 /16s and 246 /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:                      5646
    Total ARIN prefixes after maximum aggregation:                 3135
    ARIN Deaggregation factor:                                     1.80
Prefixes being announced from the ARIN address blocks:             5669
    Unique aggregates announced from the ARIN address blocks:      3504
ARIN Region origin ASes present in the Internet Routing Table:      914
    ARIN Prefixes per ASN:                                         6.20
ARIN Region origin ASes announcing only one prefix:                 309
ARIN Region transit ASes present in the Internet Routing Table:     127
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:     140
Number of ARIN addresses announced to Internet:                75414528
    Equivalent to 4 /8s, 126 /16s and 188 /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:                      3410
    Total RIPE prefixes after maximum aggregation:                 2741
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3399
    Unique aggregates announced from the RIPE address blocks:      2765
RIPE Region origin ASes present in the Internet Routing Table:      618
    RIPE Prefixes per ASN:                                         5.50
RIPE Region origin ASes announcing only one prefix:                 268
RIPE Region transit ASes present in the Internet Routing Table:      94
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:     130
Number of RIPE addresses announced to Internet:                55840512
    Equivalent to 3 /8s, 84 /16s and 15 /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:                    1385
    Total LACNIC prefixes after maximum aggregation:                570
    LACNIC Deaggregation factor:                                   2.43
Prefixes being announced from the LACNIC address blocks:           1383
    Unique aggregates announced from the LACNIC address blocks:     767
LACNIC Region origin ASes present in the Internet Routing Table:    164
    LACNIC Prefixes per ASN:                                       8.43
LACNIC Region origin ASes announcing only one prefix:                58
LACNIC Region transit ASes present in the Internet Routing Table:    26
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:    68
Number of LACNIC addresses announced to Internet:               4225280
    Equivalent to 0 /8s, 64 /16s and 121 /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:                    941
    Total AfriNIC prefixes after maximum aggregation:               140
    AfriNIC Deaggregation factor:                                  6.72
Prefixes being announced from the AfriNIC address blocks:           941
    Unique aggregates announced from the AfriNIC address blocks:    211
AfriNIC Region origin ASes present in the Internet Routing Table:     8
    AfriNIC Prefixes per ASN:                                    117.62
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:              1711616
    Equivalent to 0 /8s, 26 /16s and 30 /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         441        180      23  CSTNET-AS-AP Computer Network Informati
  1237         192         74     142  KREONET-AS-KR KISTI, KR
  4538         182       4193      75  ERX-CERNET-BKB China Education and Rese
 58647         182         18       2  KAGAWAU-AS Kagawa University, JP
  7575         171        329     115  AARNET-AS-AP Australian Academic and Re
 55824         129         19      19  NKN-CORE-NW NKN Core Network, IN
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
  2697          58          4      34  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         197         16       1  UPRENET, PR
  2152         145        507      94  CSUNET-NW, US
 18558         141         18       4  NETBLK-RCOEK, US
    81         126        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
  3477          71         63      40  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         284       1899     250  DFN Verein zur Foerderung eines Deutsch
   786         184       1767     181  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         154         10      67  Universidad Juarez Autonoma de Tabasco,
  1916         148        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          44         99      34  Fundacao Carlos Chagas Filho de Amparo 
 61468          43          3      14  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
  3596          35          4       3  Universidad Autonoma Metropolitana, MX

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         525         80      54  KENET-AS, KE
  2018         382        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         525         80      54  KENET-AS, KE
  7497         441        180      23  CSTNET-AS-AP Computer Network Informati
  2018         382        319      71  TENET-1, ZA
   680         284       1899     250  DFN Verein zur Foerderung eines Deutsch
  5786         197         16       1  UPRENET, PR
  1237         192         74     142  KREONET-AS-KR KISTI, KR
   786         184       1767     181  JANET Jisc Services Limited, GB
  4538         182       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         525          471  KENET-AS, KE
  7497         441          418  CSTNET-AS-AP Computer Network Information Cente
  2018         382          311  TENET-1, ZA
  5786         197          196  UPRENET, PR
 58647         182          180  KAGAWAU-AS Kagawa University, JP
 18558         141          137  NETBLK-RCOEK, US
  8895         134          129  ISU Internet Services Unit ISU, SA
 55824         129          110  NKN-CORE-NW NKN Core Network, IN
  4538         182          107  ERX-CERNET-BKB China Education and Research Net
  1916         148          106  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
     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
    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       /10:1       /11:1       /12:10      
/13:19      /14:34      /15:117     /16:1761    /17:384     /18:380     
/19:484     /20:729     /21:762     /22:1204    /23:1336    /24:8310    
/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         507         525  KENET-AS, KE
  8895         129         134  ISU Internet Services Unit ISU, SA
 23024          52         108  OCDE, US
 32440          38          62  LONI, US
  3267          35          77  RUNNET, RU
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
200521          31          53  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        14:89       23:4        24:3      
  31:1        35:4        38:6        41:171      42:16       44:4      
  45:34       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       82:5        83:7        84:6        85:30     
  86:4        87:1        89:10       91:45       92:2        93:3      
  94:2        95:2        97:1        98:2       101:5       103:260    
 104:73      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      136:196     137:51      138:57     
 139:4       140:31      141:3       143:17      144:23      145:1      
 146:133     147:26      148:193     149:11      150:43      151:9      
 152:133     153:14      154:23      155:60      156:68      157:18     
 158:35      159:114     160:30      161:11      162:12      163:77     
 164:13      165:47      166:1       167:10      168:118     169:7      
 170:87      171:1       172:3       173:7       175:25      176:8      
 177:6       179:11      180:15      181:1       182:1       185:46     
 186:3       187:17      188:13      189:3       190:17      191:13     
 192:1227    193:263     194:135     195:70      196:140     197:329    
 198:275     199:110     200:268     201:37      202:417     203:302    
 204:287     205:37      206:65      207:64      208:67      209:91     
 210:194     211:15      212:158     213:4       216:27      217:10     
 218:22      219:5       220:17      222:3       223:14     

End of report


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