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

REN Routing Table Report cscora at frr.nsrc.org
Thu May 13 22:15:15 UTC 2021


Global R&E Routing Table Report   22:15 GMT Thu 13 May, 2021

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/CENIC/

Analysis Summary
----------------

BGP routing table entries examined:                               22155
    Prefixes after maximum aggregation (per Origin AS):           12100
    Deaggregation factor:                                          1.83
    Unique aggregates announced (without unneeded subnets):       14350
Total ASes present in the Internet Routing Table:                  2784
    Prefixes per ASN:                                              7.96
Origin-only ASes present in the Internet Routing Table:            2388
Origin ASes announcing only one prefix:                            1103
Transit ASes present in the Internet Routing Table:                 396
Transit-only ASes present in the Internet Routing Table:             60
Average AS path length visible in the Internet Routing Table:       4.1
    Max AS path length visible:                                      15
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                15
    Number of instances of unregistered ASNs:                        15
Number of 32-bit ASNs allocated by the RIRs:                      35985
Number of 32-bit ASNs visible in the Routing Table:                 594
Prefixes from 32-bit ASNs in the Routing Table:                    1656
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:              2
Number of addresses announced to Internet:                    289269504
    Equivalent to 17 /8s, 61 /16s and 231 /24s
    Percentage of available address space announced:                7.8
    Percentage of allocated address space announced:                7.8
    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:        2998

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

Prefixes being announced by APNIC Region ASes:                     4676
    Total APNIC prefixes after maximum aggregation:                2375
    APNIC Deaggregation factor:                                    1.97
Prefixes being announced from the APNIC address blocks:            4725
    Unique aggregates announced from the APNIC address blocks:     2771
APNIC Region origin ASes present in the Internet Routing Table:     578
    APNIC Prefixes per ASN:                                        8.17
APNIC Region origin ASes announcing only one prefix:                247
APNIC Region transit ASes present in the Internet Routing Table:     65
Average APNIC Region AS path length visible:                        4.1
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    218
Number of APNIC addresses announced to Internet:               47150336
    Equivalent to 2 /8s, 207 /16s and 117 /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, 131072-147769
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:                     11480
    Total ARIN prefixes after maximum aggregation:                 6179
    ARIN Deaggregation factor:                                     1.86
Prefixes being announced from the ARIN address blocks:            11377
    Unique aggregates announced from the ARIN address blocks:      7619
ARIN Region origin ASes present in the Internet Routing Table:     1247
    ARIN Prefixes per ASN:                                         9.12
ARIN Region origin ASes announcing only one prefix:                 442
ARIN Region transit ASes present in the Internet Routing Table:     162
Average ARIN Region AS path length visible:                         3.7
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     149
Number of ARIN addresses announced to Internet:               174736384
    Equivalent to 10 /8s, 106 /16s and 68 /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:                      3390
    Total RIPE prefixes after maximum aggregation:                 2764
    RIPE Deaggregation factor:                                     1.23
Prefixes being announced from the RIPE address blocks:             3454
    Unique aggregates announced from the RIPE address blocks:      2838
RIPE Region origin ASes present in the Internet Routing Table:      674
    RIPE Prefixes per ASN:                                         5.12
RIPE Region origin ASes announcing only one prefix:                 322
RIPE Region transit ASes present in the Internet Routing Table:     110
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     128
Number of RIPE addresses announced to Internet:                59877888
    Equivalent to 3 /8s, 145 /16s and 170 /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:                    1411
    Total LACNIC prefixes after maximum aggregation:                579
    LACNIC Deaggregation factor:                                   2.44
Prefixes being announced from the LACNIC address blocks:           1411
    Unique aggregates announced from the LACNIC address blocks:     816
LACNIC Region origin ASes present in the Internet Routing Table:    174
    LACNIC Prefixes per ASN:                                       8.11
LACNIC Region origin ASes announcing only one prefix:                71
LACNIC Region transit ASes present in the Internet Routing Table:    27
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    76
Number of LACNIC addresses announced to Internet:               4646400
    Equivalent to 0 /8s, 70 /16s and 230 /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:                   1183
    Total AfriNIC prefixes after maximum aggregation:               189
    AfriNIC Deaggregation factor:                                  6.26
Prefixes being announced from the AfriNIC address blocks:          1186
    Unique aggregates announced from the AfriNIC address blocks:    304
AfriNIC Region origin ASes present in the Internet Routing Table:    48
    AfriNIC Prefixes per ASN:                                     24.71
AfriNIC Region origin ASes announcing only one prefix:               21
AfriNIC Region transit ASes present in the Internet Routing Table:   12
Average AfriNIC Region AS path length visible:                      4.3
    Max AfriNIC Region AS path length visible:                       13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   23
Number of AfriNIC addresses announced to Internet:              2857984
    Equivalent to 0 /8s, 43 /16s and 156 /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         607       2155     455  SINET-AS Research Organization of Infor
  7497         444        233      33  CSTNET-AS-AP Computer Network Informati
  7575         187        331     133  AARNET-AS-AP Australian Academic and Re
  1237         186         75     139  KREONET-AS-KR KISTI, KR
 58647         164         18       2  KAGAWAU-AS Kagawa University, JP
 55824         128         19      22  NKN-CORE-NW NKN Core Network, IN
  4538         123       4192      72  ERX-CERNET-BKB China Education and Rese
  4621          82         37      11  UNINET-AS-AP UNINET-, TH
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
  1659          57       1450      34  ERX-TANET-ASN1 Taiwan Academic Network 

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

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        2203       4099     733  AMAZON-02, US
 14618         476       3980     352  AMAZON-AES, US
  7896         260         51       7  NU-AS, US
   376         236        180     158  RISQ-AS, CA
   668         209        702     180  DNIC-AS-00668, US
  8075         203      11189     182  MICROSOFT-CORP-MSN-AS-BLOCK, US
  5786         201         16       1  UPRENET, PR
  2152         162        507      95  CSUNET-NW, US
 18558         136         18       4  NETBLK-RCOEK, US
   270         117        297      87  AS270, US

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

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         273       1996     235  DFN Verein zur Foerderung eines Deutsch
   786         187       1787     185  JANET Jisc Services Limited, GB
  8895         140         24       4  ISU Internet Services Unit (ISU), SA
   559         116        550     107  SWITCH Peering requests: (peering at switc
  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      62  FR-RENATER Reseau National de telecommu
  2614          62         32      59  ROEDUNET, RO
  1930          56         82      51  RCCN Fundacao para a Ciencia e a Tecnol

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

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         179        215      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          67         37      20  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          60        102      40  Fundacao Carlos Chagas Filho de Amparo 
  4270          44         16       1  Red de Interconexion Universitaria, AR
 19611          44         17       2  Associacao Antonio Vieira - Unisinos, B
 61468          41          3      15  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
 28571          37         26      15  UNIVERSIDADE DE SAO PAULO, BR

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

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         403         82       3  KENET-AS, KE
  2018         323        319      74  TENET-1, ZA
327687         133         28       3  RENU, UG
  2561          74          5      34  EUN, EG
  8094          55         48       4  PUKNET, ZA
327700          40         16       1  MoRENet, MZ
 37215          29          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37074          11          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA

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

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        2203       4099     733  AMAZON-02, US
  2907         607       2155     455  SINET-AS Research Organization of Infor
 14618         476       3980     352  AMAZON-AES, US
  7497         444        233      33  CSTNET-AS-AP Computer Network Informati
 36914         403         82       3  KENET-AS, KE
  2018         323        319      74  TENET-1, ZA
   680         273       1996     235  DFN Verein zur Foerderung eines Deutsch
  7896         260         51       7  NU-AS, US
   376         236        180     158  RISQ-AS, CA
   668         209        702     180  DNIC-AS-00668, US

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

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

   ASN  No of nets  Net Savings  Description
  7497         444          411  CSTNET-AS-AP Computer Network Information Cente
 36914         403          400  KENET-AS, KE
  7896         260          253  NU-AS, US
  2018         323          249  TENET-1, ZA
  5786         201          200  UPRENET, PR
 58647         164          162  KAGAWAU-AS Kagawa University, JP
  2907         607          152  SINET-AS Research Organization of Information a
  1916         179          138  Associacao Rede Nacional de Ensino e Pesquisa, 
  8895         140          136  ISU Internet Services Unit (ISU), SA
 18558         136          132  NETBLK-RCOEK, US

Complete listing at https://bgp.nsrc.org/REN/CENIC/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     36843  UNALLOCATED  64.56.80.0/23            11096  FLORIDANET, US
     19658  UNALLOCATED  65.205.131.0/24          11096  FLORIDANET, US
     36843  UNALLOCATED  108.59.20.0/24           11096  FLORIDANET, US
     36843  UNALLOCATED  108.59.23.0/24           11096  FLORIDANET, US
     36843  UNALLOCATED  131.91.183.0/24          11096  FLORIDANET, US
     36843  UNALLOCATED  131.91.252.0/22          11096  FLORIDANET, US
     36843  UNALLOCATED  146.201.218.0/24         11096  FLORIDANET, US
     36843  UNALLOCATED  146.201.219.0/24         11096  FLORIDANET, US
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
     36843  UNALLOCATED  162.223.23.0/24          11096  FLORIDANET, US

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

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

Unassigned Network     ASN Information  AS Name
192.31.196.0/24      Origin:       112  UNASSIGNED
                    Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24       Origin:      1103  SURFNET-NL SURFnet, The Netherlands, NL
                    Transit:     11537  INTERNET2-RESEARCH-EDU, US

Complete listing at https://bgp.nsrc.org/REN/CENIC/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       /10:4       /11:7       /12:29      
/13:33      /14:81      /15:194     /16:2159    /17:449     /18:460     
/19:629     /20:987     /21:1020    /22:1579    /23:1658    /24:12865   
/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
 16509         603        2203  AMAZON-02, US
 36914         375         403  KENET-AS, KE
 14618         154         476  AMAZON-AES, US
  8895         135         140  ISU Internet Services Unit (ISU), SA
 23024          53         114  OCDE, US
327700          34          40  MoRENet, MZ
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 25977          31          45  HCCS, US
 18632          29          55  VOLCANO-VISION, US
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US

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

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

   1:4         3:65        4:2         5:15        6:4         8:2      
  12:1        13:212      14:84       15:10       18:41       23:22     
  24:6        31:6        34:1        35:1        37:6        38:9      
  40:3        41:228      42:24       44:5        45:69       46:9      
  47:1        49:10       50:7        52:598      54:109      58:2      
  59:20       60:4        61:4        62:7        63:38       64:114    
  65:13       66:64       67:58       68:18       69:41       70:5      
  71:9        72:19       74:39       75:128      76:165      77:7      
  78:3        79:10       80:14       81:32       82:5        83:8      
  84:5        85:37       86:9        87:1        88:2        89:11     
  91:54       92:1        93:12       94:4        95:4        96:6      
  97:1        98:8        99:173     101:6       102:9       103:318    
 104:104     106:1       107:24      108:21      109:8       110:3      
 111:21      112:4       114:23      115:1       116:5       117:63     
 118:35      119:19      121:29      122:11      123:8       124:40     
 125:9       128:79      129:226     130:104     131:109     132:60     
 133:137     134:91      135:1       136:204     137:158     138:10     
 139:16      140:50      141:3       142:61      143:38      144:77     
 146:126     147:67      148:167     149:16      150:45      151:7      
 152:77      153:11      154:25      155:57      156:64      157:29     
 158:48      159:117     160:33      161:20      162:49      163:69     
 164:48      165:19      166:1       167:17      168:155     169:9      
 170:109     171:1       172:8       173:24      174:1       175:32     
 176:11      177:7       178:3       179:13      180:21      181:11     
 182:6       184:5       185:51      186:3       187:18      188:15     
 189:6       190:44      191:35      192:1493    193:255     194:143    
 195:103     196:169     197:198     198:533     199:305     200:250    
 201:39      202:592     203:429     204:386     205:201     206:198    
 207:192     208:90      209:137     210:188     211:14      212:166    
 213:13      214:7       216:89      217:16      218:26      219:8      
 220:24      222:4       223:2      

End of report


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