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

REN Routing Table Report cscora at frr.nsrc.org
Thu Jul 1 22:05:45 UTC 2021


Global R&E Routing Table Report   22:05 GMT Thu 01 Jul, 2021

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

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

BGP routing table entries examined:                               21997
    Prefixes after maximum aggregation (per Origin AS):           12114
    Deaggregation factor:                                          1.82
    Unique aggregates announced (without unneeded subnets):       14408
Total ASes present in the Internet Routing Table:                  2779
    Prefixes per ASN:                                              7.92
Origin-only ASes present in the Internet Routing Table:            2380
Origin ASes announcing only one prefix:                            1102
Transit ASes present in the Internet Routing Table:                 399
Transit-only ASes present in the Internet Routing Table:             65
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:                16
    Number of instances of unregistered ASNs:                        16
Number of 32-bit ASNs allocated by the RIRs:                      36499
Number of 32-bit ASNs visible in the Routing Table:                 594
Prefixes from 32-bit ASNs in the Routing Table:                    1712
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:                    289667584
    Equivalent to 17 /8s, 67 /16s and 250 /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:        2847

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

Prefixes being announced by APNIC Region ASes:                     4695
    Total APNIC prefixes after maximum aggregation:                2357
    APNIC Deaggregation factor:                                    1.99
Prefixes being announced from the APNIC address blocks:            4748
    Unique aggregates announced from the APNIC address blocks:     2745
APNIC Region origin ASes present in the Internet Routing Table:     568
    APNIC Prefixes per ASN:                                        8.36
APNIC Region origin ASes announcing only one prefix:                241
APNIC Region transit ASes present in the Internet Routing Table:     64
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:    211
Number of APNIC addresses announced to Internet:               47079424
    Equivalent to 2 /8s, 206 /16s and 96 /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:                     11507
    Total ARIN prefixes after maximum aggregation:                 6243
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:            11384
    Unique aggregates announced from the ARIN address blocks:      7686
ARIN Region origin ASes present in the Internet Routing Table:     1248
    ARIN Prefixes per ASN:                                         9.12
ARIN Region origin ASes announcing only one prefix:                 448
ARIN Region transit ASes present in the Internet Routing Table:     165
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:     152
Number of ARIN addresses announced to Internet:               175295744
    Equivalent to 10 /8s, 114 /16s and 205 /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:                      3347
    Total RIPE prefixes after maximum aggregation:                 2724
    RIPE Deaggregation factor:                                     1.23
Prefixes being announced from the RIPE address blocks:             3426
    Unique aggregates announced from the RIPE address blocks:      2852
RIPE Region origin ASes present in the Internet Routing Table:      670
    RIPE Prefixes per ASN:                                         5.11
RIPE Region origin ASes announcing only one prefix:                 323
RIPE Region transit ASes present in the Internet Routing Table:     106
Average RIPE Region AS path length visible:                         4.6
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     129
Number of RIPE addresses announced to Internet:                59818752
    Equivalent to 3 /8s, 144 /16s and 195 /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:                    1549
    Total LACNIC prefixes after maximum aggregation:                592
    LACNIC Deaggregation factor:                                   2.62
Prefixes being announced from the LACNIC address blocks:           1549
    Unique aggregates announced from the LACNIC address blocks:     823
LACNIC Region origin ASes present in the Internet Routing Table:    179
    LACNIC Prefixes per ASN:                                       8.65
LACNIC Region origin ASes announcing only one prefix:                70
LACNIC Region transit ASes present in the Internet Routing Table:    29
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    77
Number of LACNIC addresses announced to Internet:               4737792
    Equivalent to 0 /8s, 72 /16s and 75 /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:                    883
    Total AfriNIC prefixes after maximum aggregation:               183
    AfriNIC Deaggregation factor:                                  4.83
Prefixes being announced from the AfriNIC address blocks:           886
    Unique aggregates announced from the AfriNIC address blocks:    298
AfriNIC Region origin ASes present in the Internet Routing Table:    45
    AfriNIC Prefixes per ASN:                                     19.69
AfriNIC Region origin ASes announcing only one prefix:               20
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      4.1
    Max AfriNIC Region AS path length visible:                       13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   25
Number of AfriNIC addresses announced to Internet:              2731008
    Equivalent to 0 /8s, 41 /16s and 172 /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       2155     455  SINET-AS Research Organization of Infor
  7497         433        215      29  CSTNET-AS-AP Computer Network Informati
  1237         189         75     137  KREONET-AS-KR KISTI, KR
  7575         181        331     127  AARNET-AS-AP Australian Academic and Re
 58647         164         18       2  KAGAWAU-AS Kagawa University, JP
 55824         128         19      22  NKN-CORE-NW NKN Core Network, IN
  4538         124       4192      72  ERX-CERNET-BKB China Education and Rese
  4621          82         37      11  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/CENIC/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        2257       4234     785  AMAZON-02, US
 14618         490       3966     362  AMAZON-AES, US
  7896         245         51       7  NU-AS, US
   376         235        180     158  RISQ-AS, CA
  8075         205      11189     184  MICROSOFT-CORP-MSN-AS-BLOCK, US
  5786         201         16       1  UPRENET, PR
   668         194        685     169  DNIC-AS-00668, US
  2152         158        507      90  CSUNET-NW, US
 18558         137         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         116        550     107  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          66        647      61  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         178        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
 27884          93          6       2  CABLECOLOR S.A., HN
  1251          65         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

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
  2018         324        319      74  TENET-1, ZA
327687         137         28       3  RENU, UG
 36914          99         82       3  KENET-AS, KE
  2561          74          5      34  EUN, EG
  8094          55         48       4  PUKNET, ZA
327700          39         16       1  MoRENet, MZ
 37215          30          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37074          11          8       2  UG-AS, GH
 37182          11          8       1  TERNET, TZ

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        2257       4234     785  AMAZON-02, US
  2907         608       2155     455  SINET-AS Research Organization of Infor
 14618         490       3966     362  AMAZON-AES, US
  7497         433        215      29  CSTNET-AS-AP Computer Network Informati
  2018         324        319      74  TENET-1, ZA
   680         273       1996     235  DFN Verein zur Foerderung eines Deutsch
  7896         245         51       7  NU-AS, US
   376         235        180     158  RISQ-AS, CA
  8075         205      11189     184  MICROSOFT-CORP-MSN-AS-BLOCK, US
  5786         201         16       1  UPRENET, PR

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         433          404  CSTNET-AS-AP Computer Network Information Cente
  2018         324          250  TENET-1, ZA
  7896         245          238  NU-AS, US
  5786         201          200  UPRENET, PR
 58647         164          162  KAGAWAU-AS Kagawa University, JP
  2907         608          153  SINET-AS Research Organization of Information a
  1916         178          137  Associacao Rede Nacional de Ensino e Pesquisa, 
  8895         141          137  ISU Internet Services Unit ISU, SA
327687         137          134  RENU, UG
 18558         137          133  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
164.160.240.0/20     Origin:    328439  UNASSIGNED
                    Transit:    327992  GHANAIAN-ACADEMIC-AND-RESEARCH-NETWORK, 
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
216.169.147.0/24     Origin:     14618  AMAZON-AES, US
                    Transit:     16509  AMAZON-02, 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      
/13:34      /14:81      /15:194     /16:2156    /17:445     /18:453     
/19:631     /20:992     /21:1011    /22:1573    /23:1657    /24:12729   
/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         623        2257  AMAZON-02, US
 14618         158         490  AMAZON-AES, US
  8895         136         141  ISU Internet Services Unit ISU, SA
 27884          90          93  CABLECOLOR S.A., HN
 36914          86          99  KENET-AS, KE
 23024          53         114  OCDE, US
327700          33          39  MoRENet, MZ
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 25977          31          45  HCCS, US
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN

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

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

   1:5         3:76        4:2         5:15        6:4         8:2      
  12:1        13:212      14:84       15:17       18:41       23:23     
  24:6        31:6        35:1        37:6        38:9        40:3      
  41:143      42:25       44:5        45:74       46:10       47:1      
  49:10       50:8        52:595      54:107      58:2        59:20     
  60:4        61:4        62:7        63:38       64:123      65:12     
  66:68       67:58       68:18       69:42       70:7        71:9      
  72:19       74:37       75:128      76:166      77:9        78:3      
  79:10       80:14       81:32       82:5        83:7        84:4      
  85:36       86:9        87:1        88:1        89:11       91:54     
  92:1        93:12       94:4        95:4        96:6        97:1      
  98:8        99:173     101:2       102:9       103:304     104:102    
 106:1       107:24      108:21      109:8       110:3       111:21     
 112:4       113:1       114:23      115:1       116:6       117:63     
 118:35      119:18      121:29      122:11      123:8       124:40     
 125:9       128:86      129:180     130:114     131:110     132:60     
 133:137     134:92      135:1       136:204     137:160     138:15     
 139:16      140:50      141:3       142:61      143:41      144:64     
 146:126     147:75      148:167     149:16      150:47      151:6      
 152:76      153:11      154:25      155:53      156:64      157:29     
 158:47      159:118     160:33      161:20      162:49      163:69     
 164:48      165:22      166:1       167:20      168:163     169:9      
 170:108     171:1       172:10      173:24      174:1       175:32     
 176:11      177:8       178:3       179:14      180:21      181:11     
 182:6       184:10      185:52      186:3       187:18      188:14     
 189:6       190:138     191:36      192:1498    193:248     194:128    
 195:88      196:168     197:4       198:535     199:301     200:256    
 201:39      202:643     203:429     204:384     205:201     206:199    
 207:191     208:91      209:138     210:189     211:14      212:169    
 213:13      214:4       216:103     217:16      218:26      219:8      
 220:24      222:4       223:2      

End of report


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