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

REN Routing Table Report cscora at frr.nsrc.org
Wed Apr 14 22:15:14 UTC 2021


Global R&E Routing Table Report   22:15 GMT Wed 14 Apr, 2021

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

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

BGP routing table entries examined:                               22024
    Prefixes after maximum aggregation (per Origin AS):           12045
    Deaggregation factor:                                          1.83
    Unique aggregates announced (without unneeded subnets):       14253
Total ASes present in the Internet Routing Table:                  2779
    Prefixes per ASN:                                              7.93
Origin-only ASes present in the Internet Routing Table:            2389
Origin ASes announcing only one prefix:                            1102
Transit ASes present in the Internet Routing Table:                 390
Transit-only ASes present in the Internet Routing Table:             59
Average AS path length visible in the Internet Routing Table:       4.0
    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:                      35698
Number of 32-bit ASNs visible in the Routing Table:                 585
Prefixes from 32-bit ASNs in the Routing Table:                    1677
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:                    280863232
    Equivalent to 16 /8s, 189 /16s and 162 /24s
    Percentage of available address space announced:                7.6
    Percentage of allocated address space announced:                7.6
    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:        3006

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

Prefixes being announced by APNIC Region ASes:                     4641
    Total APNIC prefixes after maximum aggregation:                2351
    APNIC Deaggregation factor:                                    1.97
Prefixes being announced from the APNIC address blocks:            4686
    Unique aggregates announced from the APNIC address blocks:     2735
APNIC Region origin ASes present in the Internet Routing Table:     569
    APNIC Prefixes per ASN:                                        8.24
APNIC Region origin ASes announcing only one prefix:                245
APNIC Region transit ASes present in the Internet Routing Table:     63
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    214
Number of APNIC addresses announced to Internet:               47209472
    Equivalent to 2 /8s, 208 /16s and 92 /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, 131072-143673
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:                     11343
    Total ARIN prefixes after maximum aggregation:                 6146
    ARIN Deaggregation factor:                                     1.85
Prefixes being announced from the ARIN address blocks:            11249
    Unique aggregates announced from the ARIN address blocks:      7570
ARIN Region origin ASes present in the Internet Routing Table:     1252
    ARIN Prefixes per ASN:                                         8.98
ARIN Region origin ASes announcing only one prefix:                 447
ARIN Region transit ASes present in the Internet Routing Table:     164
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:               166275328
    Equivalent to 9 /8s, 233 /16s and 41 /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:                      3385
    Total RIPE prefixes after maximum aggregation:                 2762
    RIPE Deaggregation factor:                                     1.23
Prefixes being announced from the RIPE address blocks:             3444
    Unique aggregates announced from the RIPE address blocks:      2830
RIPE Region origin ASes present in the Internet Routing Table:      673
    RIPE Prefixes per ASN:                                         5.12
RIPE Region origin ASes announcing only one prefix:                 318
RIPE Region transit ASes present in the Internet Routing Table:     108
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:                59869952
    Equivalent to 3 /8s, 145 /16s and 139 /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:                    1406
    Total LACNIC prefixes after maximum aggregation:                581
    LACNIC Deaggregation factor:                                   2.42
Prefixes being announced from the LACNIC address blocks:           1406
    Unique aggregates announced from the LACNIC address blocks:     812
LACNIC Region origin ASes present in the Internet Routing Table:    174
    LACNIC Prefixes per ASN:                                       8.08
LACNIC Region origin ASes announcing only one prefix:                70
LACNIC Region transit ASes present in the Internet Routing Table:    26
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    73
Number of LACNIC addresses announced to Internet:               4652544
    Equivalent to 0 /8s, 70 /16s and 254 /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:                   1234
    Total AfriNIC prefixes after maximum aggregation:               191
    AfriNIC Deaggregation factor:                                  6.46
Prefixes being announced from the AfriNIC address blocks:          1237
    Unique aggregates announced from the AfriNIC address blocks:    304
AfriNIC Region origin ASes present in the Internet Routing Table:    49
    AfriNIC Prefixes per ASN:                                     25.24
AfriNIC Region origin ASes announcing only one prefix:               22
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      4.3
    Max AfriNIC Region AS path length visible:                        8
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   21
Number of AfriNIC addresses announced to Internet:              2855424
    Equivalent to 0 /8s, 43 /16s and 146 /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       2156     456  SINET-AS Research Organization of Infor
  7497         443        233      33  CSTNET-AS-AP Computer Network Informati
  7575         186        347     132  AARNET-AS-AP Australian Academic and Re
  1237         183         75     132  KREONET-AS-KR KISTI, KR
 58647         164         18       2  KAGAWAU-AS Kagawa University, JP
 55824         127         19      22  NKN-CORE-NW NKN Core Network, IN
  4538         123       4192      72  ERX-CERNET-BKB China Education and Rese
  4621          82         37      10  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        2125       4062     716  AMAZON-02, US
 14618         466       3980     343  AMAZON-AES, US
  7896         261         51       7  NU-AS, US
   376         236        180     158  RISQ-AS, CA
   668         209        718     175  DNIC-AS-00668, US
  5786         201         16       1  UPRENET, PR
  8075         193       9141     179  MICROSOFT-CORP-MSN-AS-BLOCK, US
  2152         162        507      95  CSUNET-NW, US
 18558         134         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         141         24       4  ISU Internet Services Unit (ISU), SA
   559         115        550     106  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         177        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 
 19611          44         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
 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         394         82       3  KENET-AS, KE
  2018         325        319      74  TENET-1, ZA
327687         134         28       3  RENU, UG
327700          84         16       1  MoRENet, MZ
  2561          74          5      34  EUN, EG
  8094          55         48       4  PUKNET, ZA
 37215          29          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37182          21          8       1  TERNET, TZ
 37074          11          8       2  UG-AS, GH

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        2125       4062     716  AMAZON-02, US
  2907         608       2156     456  SINET-AS Research Organization of Infor
 14618         466       3980     343  AMAZON-AES, US
  7497         443        233      33  CSTNET-AS-AP Computer Network Informati
 36914         394         82       3  KENET-AS, KE
  2018         325        319      74  TENET-1, ZA
   680         273       1996     235  DFN Verein zur Foerderung eines Deutsch
  7896         261         51       7  NU-AS, US
   376         236        180     158  RISQ-AS, CA
   668         209        718     175  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         443          410  CSTNET-AS-AP Computer Network Information Cente
 36914         394          391  KENET-AS, KE
  7896         261          254  NU-AS, US
  2018         325          251  TENET-1, ZA
  5786         201          200  UPRENET, PR
 58647         164          162  KAGAWAU-AS Kagawa University, JP
  2907         608          152  SINET-AS Research Organization of Information a
  8895         141          137  ISU Internet Services Unit (ISU), SA
  1916         177          136  Associacao Rede Nacional de Ensino e Pesquisa, 
327687         134          131  RENU, UG

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       /12:21      
/13:33      /14:81      /15:194     /16:2161    /17:450     /18:454     
/19:628     /20:948     /21:1021    /22:1562    /23:1656    /24:12803   
/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         599        2125  AMAZON-02, US
 36914         368         394  KENET-AS, KE
 14618         150         466  AMAZON-AES, US
  8895         136         141  ISU Internet Services Unit (ISU), SA
327700          78          84  MoRENet, MZ
 23024          53         114  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
 18632          29          55  VOLCANO-VISION, US

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

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

   1:4         3:55        4:2         5:15        6:4         8:2      
  12:1        13:211      14:83       15:9        18:41       23:21     
  24:6        31:6        34:1        35:1        37:6        38:9      
  40:3        41:289      42:24       44:5        45:66       46:9      
  47:1        49:10       50:7        52:582      54:108      58:2      
  59:20       60:4        61:4        62:7        63:38       64:113    
  65:13       66:56       67:58       68:18       69:42       70:5      
  71:9        72:19       74:38       75:128      76:166      77:6      
  78:3        79:10       80:14       81:33       82:4        83:7      
  84:5        85:37       86:9        87:1        88:2        89:11     
  91:56       92:1        93:13       94:4        95:4        96:5      
  97:1        98:8        99:171     101:6       102:5       103:310    
 104:103     106:1       107:24      108:21      109:8       110:3      
 111:17      112:4       114:23      115:1       116:6       117:63     
 118:35      119:18      121:29      122:12      123:8       124:40     
 125:10      128:78      129:226     130:106     131:113     132:58     
 133:137     134:91      135:1       136:204     137:161     138:14     
 139:16      140:50      141:3       142:61      143:38      144:77     
 146:125     147:67      148:168     149:16      150:45      151:7      
 152:77      153:11      154:25      155:58      156:65      157:29     
 158:47      159:117     160:33      161:19      162:49      163:68     
 164:48      165:19      166:1       167:17      168:155     169:9      
 170:108     171:1       172:6       173:24      174:1       175:32     
 176:11      177:7       178:2       179:13      180:21      181:8      
 182:6       184:3       185:48      186:3       187:18      188:14     
 189:6       190:44      191:31      192:1488    193:254     194:142    
 195:103     196:169     197:186     198:530     199:305     200:249    
 201:39      202:601     203:403     204:385     205:206     206:198    
 207:191     208:87      209:136     210:174     211:14      212:167    
 213:13      214:7       216:88      217:16      218:26      219:8      
 220:24      222:4       223:1      

End of report


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