[REN-BGP-stats-all] Global R&E Routing Table Report - KENET view

REN Routing Table Report cscora at frr.nsrc.org
Thu Nov 25 18:50:31 UTC 2021


Global R&E Routing Table Report   18:50 GMT Thu 25 Nov, 2021

  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:                               17141
    Prefixes after maximum aggregation (per Origin AS):            9396
    Deaggregation factor:                                          1.82
    Unique aggregates announced (without unneeded subnets):       10457
Total ASes present in the Internet Routing Table:                  2529
    Prefixes per ASN:                                              6.78
Origin-only ASes present in the Internet Routing Table:            2179
Origin ASes announcing only one prefix:                            1029
Transit ASes present in the Internet Routing Table:                 350
Transit-only ASes present in the Internet Routing Table:             48
Average AS path length visible in the Internet Routing Table:       5.2
    Max AS path length visible:                                      15
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                 6
    Number of instances of unregistered ASNs:                         6
Number of 32-bit ASNs allocated by the RIRs:                      37907
Number of 32-bit ASNs visible in the Routing Table:                 567
Prefixes from 32-bit ASNs in the Routing Table:                    1503
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:              4
Number of addresses announced to Internet:                    196114432
    Equivalent to 11 /8s, 176 /16s and 120 /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:               99.5
Total number of prefixes smaller than registry allocations:        2015

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

Prefixes being announced by APNIC Region ASes:                     4714
    Total APNIC prefixes after maximum aggregation:                2323
    APNIC Deaggregation factor:                                    2.03
Prefixes being announced from the APNIC address blocks:            4716
    Unique aggregates announced from the APNIC address blocks:     2643
APNIC Region origin ASes present in the Internet Routing Table:     582
    APNIC Prefixes per ASN:                                        8.10
APNIC Region origin ASes announcing only one prefix:                251
APNIC Region transit ASes present in the Internet Routing Table:     62
Average APNIC Region AS path length visible:                        5.5
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    224
Number of APNIC addresses announced to Internet:               46021376
    Equivalent to 2 /8s, 190 /16s and 59 /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:                      6593
    Total ARIN prefixes after maximum aggregation:                 3535
    ARIN Deaggregation factor:                                     1.87
Prefixes being announced from the ARIN address blocks:             6602
    Unique aggregates announced from the ARIN address blocks:      3877
ARIN Region origin ASes present in the Internet Routing Table:     1027
    ARIN Prefixes per ASN:                                         6.43
ARIN Region origin ASes announcing only one prefix:                 378
ARIN Region transit ASes present in the Internet Routing Table:     140
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:                85682432
    Equivalent to 5 /8s, 27 /16s and 105 /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:                      3386
    Total RIPE prefixes after maximum aggregation:                 2751
    RIPE Deaggregation factor:                                     1.23
Prefixes being announced from the RIPE address blocks:             3376
    Unique aggregates announced from the RIPE address blocks:      2762
RIPE Region origin ASes present in the Internet Routing Table:      673
    RIPE Prefixes per ASN:                                         5.02
RIPE Region origin ASes announcing only one prefix:                 323
RIPE Region transit ASes present in the Internet Routing Table:     104
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:     131
Number of RIPE addresses announced to Internet:                58142720
    Equivalent to 3 /8s, 119 /16s and 48 /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:                    1500
    Total LACNIC prefixes after maximum aggregation:                606
    LACNIC Deaggregation factor:                                   2.48
Prefixes being announced from the LACNIC address blocks:           1501
    Unique aggregates announced from the LACNIC address blocks:     853
LACNIC Region origin ASes present in the Internet Routing Table:    181
    LACNIC Prefixes per ASN:                                       8.29
LACNIC Region origin ASes announcing only one prefix:                75
LACNIC Region transit ASes present in the Internet Routing Table:    25
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:    80
Number of LACNIC addresses announced to Internet:               4070400
    Equivalent to 0 /8s, 62 /16s and 28 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-272796 + 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:                    942
    Total AfriNIC prefixes after maximum aggregation:               175
    AfriNIC Deaggregation factor:                                  5.38
Prefixes being announced from the AfriNIC address blocks:           942
    Unique aggregates announced from the AfriNIC address blocks:    318
AfriNIC Region origin ASes present in the Internet Routing Table:    14
    AfriNIC Prefixes per ASN:                                     67.29
AfriNIC Region origin ASes announcing only one prefix:                2
AfriNIC Region transit ASes present in the Internet Routing Table:    6
Average AfriNIC Region AS path length visible:                      2.4
    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:              2196480
    Equivalent to 0 /8s, 33 /16s and 132 /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         608       2157     457  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
  1237         185         74     135  KREONET-AS-KR KISTI, KR
  7575         176        329     122  AARNET-AS-AP Australian Academic and Re
  4538         175       4192      72  ERX-CERNET-BKB China Education and Rese
 58647         164         18       2  KAGAWAU-AS Kagawa University, JP
 55824         128         19      22  NKN-CORE-NW NKN Core Network, IN
  4621          80         37      10  UNINET-AS-AP UNINET-, TH
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol University, T
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR

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
  7896         250         51       7  NU-AS, US
  5786         195         16       1  UPRENET, PR
  2152         155        507      84  CSUNET-NW, US
 18558         136         18       4  NETBLK-RCOEK, US
   270         119        329      88  AS270, US
  2920         109         34       6  LACOE, US
 21976          85         51      18  NJEDGE-NET, US
  1736          80         16       1  MU-AS, US
     3          77        496      15  MIT-GATEWAYS, US
  3477          72         71      42  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         275       1997     235  DFN Verein zur Foerderung eines Deutsch
   786         186       1774     183  JANET Jisc Services Limited, GB
  8895         143         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          98       1520      85  SURFNET-NL SURFnet, The Netherlands, NL
   137          82        677      77  ASGARR Consortium GARR, IT
   553          72        449      72  BELWUE BelWue-Koordination, DE
  2200          67        647      61  FR-RENATER Reseau National de telecommu
  2614          59         33      57  ROEDUNET, RO
  1930          57         81      52  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         177        207      41  Associacao Rede Nacional de Ensino e Pe
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          94         24      54  Red Universitaria Nacional, CL
  1251          65         37      20  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
 52286          53          4      31  Columbus Networks Guatemala, GT
 19611          45         17       2  Associacao Antonio Vieira - Unisinos, B
  4270          43         16       1  Red de Interconexion Universitaria, AR
 61468          41          3      15  CEDIA, EC
 28614          38          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         417         81      32  KENET-AS, KE
  2018         340        319      73  TENET-1, ZA
  2561          73          5      32  EUN, EG
  8094          50         48       4  PUKNET, ZA
  6879          24          2       9  ENSTINET-, EG
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, ZA
 37520           6         16       3  Rhodes-Univ, ZA
 30983           3          4       1  MARWAN-AS, MA
327945           3          0       2  ILRI, KE

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         608       2157     457  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
 36914         417         81      32  KENET-AS, KE
  2018         340        319      73  TENET-1, ZA
   680         275       1997     235  DFN Verein zur Foerderung eines Deutsch
  7896         250         51       7  NU-AS, US
  5786         195         16       1  UPRENET, PR
   786         186       1774     183  JANET Jisc Services Limited, GB
  1237         185         74     135  KREONET-AS-KR KISTI, KR
  1916         177        207      41  Associacao Rede Nacional de Ensino e Pe

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

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  7497         432          408  CSTNET-AS-AP Computer Network Information Cente
 36914         417          385  KENET-AS, KE
  2018         340          267  TENET-1, ZA
  7896         250          243  NU-AS, US
  5786         195          194  UPRENET, PR
 58647         164          162  KAGAWAU-AS Kagawa University, JP
  8895         143          139  ISU Internet Services Unit ISU, SA
  1916         177          136  Associacao Rede Nacional de Ensino e Pesquisa, 
 18558         136          132  NETBLK-RCOEK, US
 55824         128          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
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
     29955  UNALLOCATED  192.104.1.0/24            2495  KANREN, US
    394784  UNALLOCATED  192.107.242.0/24         40831  PHS, US
     29955  UNALLOCATED  198.252.8.0/21            2495  KANREN, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US
    394784  UNALLOCATED  205.166.145.0/24         40831  PHS, US

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

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             1103  SURFNET-NL SURFnet, The Netherlands, NL

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

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

Unassigned Network     ASN Information  AS Name
192.31.196.0/24      Origin:       112  UNASSIGNED
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24       Origin:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24      Transit:     20965  GEANT The GEANT IP Service, NL
192.107.242.0/24     Origin:    394784  UNASSIGNED
192.107.242.0/24    Transit:     40831  PHS, US
205.166.145.0/24     Origin:    394784  UNASSIGNED
205.166.145.0/24    Transit:     40831  PHS, 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      /14:36      /15:122     /16:1897    /17:366     /18:401     
/19:522     /20:823     /21:842     /22:1328    /23:1452    /24:9319    
/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         396         417  KENET-AS, KE
  8895         138         143  ISU Internet Services Unit ISU, SA
 23024          53          56  OCDE, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 25977          31          45  HCCS, US
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US
 40326          29          33  ECKERD-COLLEGE, US
200521          29          48  SEAP-AGE, ES
 32440          28          43  LONI, US

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

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

   1:5         5:15        8:2        12:1        14:84       18:42     
  23:6        24:5        31:6        37:6        38:7        40:1      
  41:179      42:13       44:5        45:60       46:6        47:1      
  49:10       50:1        52:1        58:4        59:20       60:4      
  61:3        62:7        63:34       64:45       66:33       67:43     
  68:8        69:21       71:1        72:10       74:20       76:31     
  77:6        78:3        79:10       80:17       81:27       82:5      
  83:7        84:5        85:33       86:9        87:1        88:1      
  89:10       91:47       92:1        93:19       94:4        95:4      
  97:1        98:2       101:8       102:1       103:307     104:11     
 106:1       108:8       109:9       110:3       111:19      112:4      
 114:23      116:5       117:61      118:32      119:21      121:27     
 122:8       123:8       124:39      125:4       128:81      129:172    
 130:92      131:43      132:55      133:138     134:89      136:187    
 137:68      138:8       139:4       140:35      141:2       143:32     
 144:52      145:1       146:125     147:57      148:159     149:13     
 150:39      151:6       152:71      153:11      154:19      155:51     
 156:68      157:25      158:42      159:116     160:25      161:16     
 162:19      163:59      164:42      165:54      166:2       167:12     
 168:154     169:10      170:51      171:1       172:2       173:2      
 175:31      176:8       177:10      178:1       179:12      180:21     
 181:12      182:5       184:5       185:41      186:3       187:17     
 188:13      189:3       190:54      191:37      192:1294    193:254    
 194:141     195:93      196:131     197:207     198:337     199:148    
 200:253     201:38      202:633     203:419     204:282     205:97     
 206:97      207:105     208:53      209:92      210:181     211:14     
 212:171     213:4       216:65      217:14      218:25      219:14     
 220:16      222:5       223:2      

End of report


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