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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Dec 7 18:50:39 UTC 2024


IPv4 R&E Routing Table Report   18:50 GMT Sat 07 Dec, 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:                               18849
    Prefixes after maximum aggregation (per Origin AS):           10356
    Deaggregation factor:                                          1.82
    Unique aggregates announced (without unneeded subnets):       11442
    Number of IPv4 prefixes with a valid ROA:                      7316
    Number of IPv4 prefixes with an invalid ROA:                      6
    Number of IPv4 prefixes with no ROA:                          11527
Total ASes present in the Internet Routing Table:                  2697
    Prefixes per ASN:                                              6.99
Origin-only ASes present in the Internet Routing Table:            2328
Origin ASes announcing only one prefix:                            1035
Transit ASes present in the Internet Routing Table:                 369
Transit-only ASes present in the Internet Routing Table:             65
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       5.4
    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:                      45967
Number of 32-bit ASNs visible in the Routing Table:                 636
Prefixes from 32-bit ASNs in the Routing Table:                    1776
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:              2
Number of addresses announced to Internet:                    197206016
    Equivalent to 11 /8s, 193 /16s and 32 /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:        2205

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

Prefixes being announced by APNIC Region ASes:                     4614
    Total APNIC prefixes after maximum aggregation:                2243
    APNIC Deaggregation factor:                                    2.06
Prefixes being announced from the APNIC address blocks:            4613
    Unique aggregates announced from the APNIC address blocks:     2601
APNIC Region origin ASes present in the Internet Routing Table:     559
    APNIC Prefixes per ASN:                                        8.25
APNIC Region origin ASes announcing only one prefix:                239
APNIC Region transit ASes present in the Internet Routing Table:     58
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:    207
Number of APNIC addresses announced to Internet:               45533952
    Equivalent to 2 /8s, 182 /16s and 203 /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:                      8321
    Total ARIN prefixes after maximum aggregation:                 4561
    ARIN Deaggregation factor:                                     1.82
Prefixes being announced from the ARIN address blocks:             8335
    Unique aggregates announced from the ARIN address blocks:      4974
ARIN Region origin ASes present in the Internet Routing Table:     1237
    ARIN Prefixes per ASN:                                         6.74
ARIN Region origin ASes announcing only one prefix:                 436
ARIN Region transit ASes present in the Internet Routing Table:     156
Average ARIN Region AS path length visible:                         5.7
    Max ARIN Region AS path length visible:                          17
Number of ARIN region 32-bit ASNs visible in the Routing Table:     206
Number of ARIN addresses announced to Internet:                87243520
    Equivalent to 5 /8s, 51 /16s and 59 /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      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,  45/8,  47/8,  48/8,  50/8,  52/8,
                        54/8,  55/8,  56/8,  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:                      3569
    Total RIPE prefixes after maximum aggregation:                 2865
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3557
    Unique aggregates announced from the RIPE address blocks:      2907
RIPE Region origin ASes present in the Internet Routing Table:      669
    RIPE Prefixes per ASN:                                         5.32
RIPE Region origin ASes announcing only one prefix:                 300
RIPE Region transit ASes present in the Internet Routing Table:     109
Average RIPE Region AS path length visible:                         5.0
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     155
Number of RIPE addresses announced to Internet:                58581504
    Equivalent to 3 /8s, 125 /16s and 226 /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,
                        53/8,  57/8,  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:                    1387
    Total LACNIC prefixes after maximum aggregation:                540
    LACNIC Deaggregation factor:                                   2.57
Prefixes being announced from the LACNIC address blocks:           1385
    Unique aggregates announced from the LACNIC address blocks:     722
LACNIC Region origin ASes present in the Internet Routing Table:    158
    LACNIC Prefixes per ASN:                                       8.77
LACNIC Region origin ASes announcing only one prefix:                57
LACNIC Region transit ASes present in the Internet Routing Table:    23
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:    65
Number of LACNIC addresses announced to Internet:               4197888
    Equivalent to 0 /8s, 64 /16s and 14 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + 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:                    957
    Total AfriNIC prefixes after maximum aggregation:               146
    AfriNIC Deaggregation factor:                                  6.55
Prefixes being announced from the AfriNIC address blocks:           957
    Unique aggregates announced from the AfriNIC address blocks:    236
AfriNIC Region origin ASes present in the Internet Routing Table:     8
    AfriNIC Prefixes per ASN:                                    119.62
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:                        5
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    3
Number of AfriNIC addresses announced to Internet:              1648640
    Equivalent to 0 /8s, 25 /16s and 40 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8, 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       2200     461  SINET-AS Research Organization of Informa
  7497         446        180      24  CSTNET-AS-AP Computer Network Information
  1237         191         74     145  KREONET-AS-KR KISTI, KR
 58647         181         18       2  KAGAWAU-AS Kagawa University, JP
  7575         171        313     114  AARNET-AS-AP Australian Academic and Rese
  4538         139       4192      71  ERX-CERNET-BKB China Education and Resear
 55824         132         18      18  NKN-CORE-NW NKN Core Network, IN
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, Tha
  4621          69         37      10  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
  2152         511        507      99  CENIC-2152, US
  2920         224         44      49  LACOE, US
   376         201        162     150  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
 18558         141         18       5  NETBLK-RCOEK, US
    81         134        517      33  NCREN, US
 23024          95          7      21  OCDE, US
 21976          91         50      17  NJEDGE-NET, US
   237          82        541      48  MERIT-AS-14, 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       1899     249  DFN Verein zur Foerderung eines Deutschen
   786         186       1767     183  JANET Jisc Services Limited, GB
  8895         132         24       5  ISU Internet Services Unit ISU, SA
   559         114        533     104  SWITCH Peering requests: peering at switch.c
  1103          96       1743      83  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         27      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         158        178      41  Rede Nacional de Ensino e Pesquisa, BR
 28391         154         10      68  Universidad Juarez Autonoma de Tabasco, M
 11340         109         25      52  Red Universitaria Nacional, CL
271640          67          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
 61468          51          5      17  CEDIA, EC
  2715          49         99      35  Fundacao Carlos Chagas Filho de Amparo a 
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, BR
  4270          46         16       1  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         544         80      60  KENET-AS, KE
  2018         381        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
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         591       2200     461  SINET-AS Research Organization of Informa
 36914         544         80      60  KENET-AS, KE
  2152         511        507      99  CENIC-2152, US
  7497         446        180      24  CSTNET-AS-AP Computer Network Information
  2018         381        319      71  TENET-1, ZA
   680         283       1899     249  DFN Verein zur Foerderung eines Deutschen
  2920         224         44      49  LACOE, US
   376         201        162     150  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  1237         191         74     145  KREONET-AS-KR KISTI, KR

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         544          484  KENET-AS, KE
  7497         446          422  CSTNET-AS-AP Computer Network Information Cente
  2152         511          412  CENIC-2152, US
  2018         381          310  TENET-1, ZA
  5786         198          197  UPRENET, PR
 58647         181          179  KAGAWAU-AS Kagawa University, JP
  2920         224          175  LACOE, US
 18558         141          136  NETBLK-RCOEK, US
  8895         132          127  ISU Internet Services Unit ISU, SA
  1916         158          117  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
     26971  UNALLOCATED  129.111.0.0/16             276  OTS-AS-276, US

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

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

Unassigned Network     ASN Information  AS Name
202.14.117.0/24      Origin:     17827  STOU-AS-TH Sukhothai Thammathirat Open U
202.14.117.0/24     Transit:      4621  UNINET-AS-AP UNINET-, TH
203.9.156.0/24       Origin:      1851  ADELAIDE-UNIVERSITY-AS-AP The University
203.9.156.0/24      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       /10:1       /11:1       /12:11      
/13:18      /14:35      /15:117     /16:1938    /17:413     /18:439     
/19:567     /20:827     /21:861     /22:1416    /23:1570    /24:10634   
/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         521         544  KENET-AS, KE
  8895         127         132  ISU Internet Services Unit ISU, SA
  2152          61         511  CENIC-2152, US
 23024          37          95  OCDE, US
 32440          37          63  LONI, US
  3267          34          77  NIKS, RU
 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

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        12:2        14:93       23:6      
  24:3        31:1        35:3        37:8        38:11       41:185    
  42:11       44:4        45:48       46:4        47:1        49:10     
  50:2        52:1        59:19       60:5        61:3        62:7      
  63:32       64:44       65:5        66:43       67:40       68:12     
  69:19       70:2        71:1        72:7        74:52       76:41     
  77:10       78:3        79:10       80:12       81:25       82:7      
  83:7        84:4        85:45       86:5        87:1        89:11     
  91:42       92:2        93:13       94:2        95:2        96:5      
  97:1        98:2       101:1       102:1       103:290     104:78     
 108:8       109:5       111:20      113:1       114:24      116:9      
 117:61      118:33      119:23      121:27      122:8       123:8      
 124:42      125:5       128:55      129:37      130:96      131:65     
 132:65      133:154     134:105     136:198     137:98      138:59     
 139:5       140:34      141:3       142:53      143:19      144:25     
 145:2       146:136     147:60      148:195     149:12      150:40     
 151:9       152:139     153:14      154:24      155:64      156:134    
 157:26      158:30      159:118     160:31      161:16      162:22     
 163:60      164:11      165:47      166:1       167:26      168:119    
 169:7       170:89      171:1       172:2       173:7       175:16     
 177:6       179:13      180:16      181:1       182:11      184:6      
 185:49      186:3       187:21      188:13      189:2       190:18     
 191:13      192:1383    193:272     194:138     195:75      196:138    
 197:329     198:522     199:246     200:283     201:37      202:635    
 203:437     204:390     205:171     206:208     207:301     208:65     
 209:152     210:218     211:3       212:165     213:6       216:91     
 217:9       218:23      219:6       220:16      222:2       223:15     


End of report


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