[REN-BGP-stats-all] Global R&E Routing Table Report - AARNET (Brisbane) R&E view

REN Routing Table Report cscora at frr.nsrc.org
Sun Aug 1 21:10:56 UTC 2021


Global R&E Routing Table Report   21:10 GMT Sun 01 Aug, 2021

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

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

BGP routing table entries examined:                               16873
    Prefixes after maximum aggregation (per Origin AS):            9786
    Deaggregation factor:                                          1.72
    Unique aggregates announced (without unneeded subnets):       11064
Total ASes present in the Internet Routing Table:                  2507
    Prefixes per ASN:                                              6.73
Origin-only ASes present in the Internet Routing Table:            2132
Origin ASes announcing only one prefix:                             979
Transit ASes present in the Internet Routing Table:                 375
Transit-only ASes present in the Internet Routing Table:             70
Average AS path length visible in the Internet Routing Table:       4.1
    Max AS path length visible:                                      16
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                10
    Number of instances of unregistered ASNs:                        10
Number of 32-bit ASNs allocated by the RIRs:                      36750
Number of 32-bit ASNs visible in the Routing Table:                 517
Prefixes from 32-bit ASNs in the Routing Table:                    1519
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:              3
Number of addresses announced to Internet:                    198427392
    Equivalent to 11 /8s, 211 /16s and 195 /24s
    Percentage of available address space announced:                5.4
    Percentage of allocated address space announced:                5.4
    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:        1798

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

Prefixes being announced by APNIC Region ASes:                     3779
    Total APNIC prefixes after maximum aggregation:                1896
    APNIC Deaggregation factor:                                    1.99
Prefixes being announced from the APNIC address blocks:            3778
    Unique aggregates announced from the APNIC address blocks:     2176
APNIC Region origin ASes present in the Internet Routing Table:     433
    APNIC Prefixes per ASN:                                        8.73
APNIC Region origin ASes announcing only one prefix:                173
APNIC Region transit ASes present in the Internet Routing Table:     57
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:    147
Number of APNIC addresses announced to Internet:               41299968
    Equivalent to 2 /8s, 118 /16s and 48 /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:                      7362
    Total ARIN prefixes after maximum aggregation:                 4381
    ARIN Deaggregation factor:                                     1.68
Prefixes being announced from the ARIN address blocks:             7371
    Unique aggregates announced from the ARIN address blocks:      4967
ARIN Region origin ASes present in the Internet Routing Table:     1113
    ARIN Prefixes per ASN:                                         6.62
ARIN Region origin ASes announcing only one prefix:                 395
ARIN Region transit ASes present in the Internet Routing Table:     153
Average ARIN Region AS path length visible:                         4.1
    Max ARIN Region AS path length visible:                          16
Number of ARIN region 32-bit ASNs visible in the Routing Table:     143
Number of ARIN addresses announced to Internet:                92143104
    Equivalent to 5 /8s, 125 /16s and 254 /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:                      3335
    Total RIPE prefixes after maximum aggregation:                 2724
    RIPE Deaggregation factor:                                     1.22
Prefixes being announced from the RIPE address blocks:             3336
    Unique aggregates announced from the RIPE address blocks:      2741
RIPE Region origin ASes present in the Internet Routing Table:      662
    RIPE Prefixes per ASN:                                         5.04
RIPE Region origin ASes announcing only one prefix:                 316
RIPE Region transit ASes present in the Internet Routing Table:     107
Average RIPE Region AS path length visible:                         3.8
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     128
Number of RIPE addresses announced to Internet:                58091008
    Equivalent to 3 /8s, 118 /16s and 102 /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:                    1501
    Total LACNIC prefixes after maximum aggregation:                593
    LACNIC Deaggregation factor:                                   2.53
Prefixes being announced from the LACNIC address blocks:           1499
    Unique aggregates announced from the LACNIC address blocks:     880
LACNIC Region origin ASes present in the Internet Routing Table:    176
    LACNIC Prefixes per ASN:                                       8.52
LACNIC Region origin ASes announcing only one prefix:                72
LACNIC Region transit ASes present in the Internet Routing Table:    26
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:    74
Number of LACNIC addresses announced to Internet:               4201728
    Equivalent to 0 /8s, 64 /16s and 29 /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:                    886
    Total AfriNIC prefixes after maximum aggregation:               187
    AfriNIC Deaggregation factor:                                  4.74
Prefixes being announced from the AfriNIC address blocks:           886
    Unique aggregates announced from the AfriNIC address blocks:    297
AfriNIC Region origin ASes present in the Internet Routing Table:    49
    AfriNIC Prefixes per ASN:                                     18.08
AfriNIC Region origin ASes announcing only one prefix:               23
AfriNIC Region transit ASes present in the Internet Routing Table:   12
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:              2686976
    Equivalent to 0 /8s, 41 /16s and 0 /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         436        214      25  CSTNET-AS-AP Computer Network Informati
  1237         189         75     137  KREONET-AS-KR KISTI, KR
 58647         164         18       2  KAGAWAU-AS Kagawa University, JP
 55824         129         19      23  NKN-CORE-NW NKN Core Network, IN
  4538         124       4192      72  ERX-CERNET-BKB China Education and Rese
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
  1659          56       1450      34  ERX-TANET-ASN1 Taiwan Academic Network 
  2697          55          3      31  ERX-ERNET-AS Education and Research Net
 24151          54          4      19  CNNIC-CRITICAL-AP China Internet Networ

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   376         234        180     158  RISQ-AS, CA
   668         210        702     181  DNIC-AS-00668, US
  5786         201         16       1  UPRENET, PR
  2152         160        507      89  CSUNET-NW, US
 18558         137         18       4  NETBLK-RCOEK, US
   270         113        289      83  AS270, US
 23024         113          7      20  OCDE, US
  2920         109         34       6  LACOE, US
 21976          86         51      18  NJEDGE-NET, US
  1736          80         16       1  MU-AS, US

Complete listing at https://bgp.nsrc.org/REN/AARNET/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       1779     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          97       1520      84  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          57         81      52  RCCN Fundacao para a Ciencia e a Tecnol

Complete listing at https://bgp.nsrc.org/REN/AARNET/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          90          6      18  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/AARNET/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         329        319      74  TENET-1, ZA
327687         132         28       3  RENU, UG
 36914          97         82       3  KENET-AS, KE
  2561          75          5      33  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
 37182          11          8       1  TERNET, TZ
 37501          11         49       6  UOFS, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         608       2156     456  SINET-AS Research Organization of Infor
  7497         436        214      25  CSTNET-AS-AP Computer Network Informati
  2018         329        319      74  TENET-1, ZA
   680         273       1996     235  DFN Verein zur Foerderung eines Deutsch
   376         234        180     158  RISQ-AS, CA
   668         210        702     181  DNIC-AS-00668, US
  5786         201         16       1  UPRENET, PR
  1237         189         75     137  KREONET-AS-KR KISTI, KR
   786         187       1779     185  JANET Jisc Services Limited, GB
  1916         178        207      41  Associacao Rede Nacional de Ensino e Pe

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

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

   ASN  No of nets  Net Savings  Description
  7497         436          411  CSTNET-AS-AP Computer Network Information Cente
  2018         329          255  TENET-1, ZA
  5786         201          200  UPRENET, PR
 58647         164          162  KAGAWAU-AS Kagawa University, JP
  1916         178          137  Associacao Rede Nacional de Ensino e Pesquisa, 
  8895         141          137  ISU Internet Services Unit ISU, SA
 18558         137          133  NETBLK-RCOEK, US
327687         132          129  RENU, UG
 55824         129          106  NKN-CORE-NW NKN Core Network, IN
  2920         109          103  LACOE, US

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     14822  UNALLOCATED  140.163.0.0/16           10466  MAGPI, US
     14822  UNALLOCATED  140.163.0.0/17           10466  MAGPI, US
     14822  UNALLOCATED  140.163.6.0/24           10466  MAGPI, US
     14822  UNALLOCATED  140.163.64.0/24          10466  MAGPI, US
     14822  UNALLOCATED  140.163.70.0/24          10466  MAGPI, US
     14822  UNALLOCATED  140.163.128.0/17         10466  MAGPI, US
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
    328439  UNALLOCATED  164.160.240.0/20        327992  GHANAIAN-ACADEMIC-AND-RESEAR
    394784  UNALLOCATED  192.107.242.0/24         40831  PHS, US
    394784  UNALLOCATED  205.166.145.0/24         40831  PHS, US

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

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

Unassigned Network     ASN Information  AS Name
164.160.240.0/20     Origin:    328439  UNASSIGNED
                    Transit:    327992  GHANAIAN-ACADEMIC-AND-RESEARCH-NETWORK, 
192.107.242.0/24     Origin:    394784  UNASSIGNED
                    Transit:     40831  PHS, US
205.166.145.0/24     Origin:    394784  UNASSIGNED
                    Transit:     40831  PHS, US

Complete listing at https://bgp.nsrc.org/REN/AARNET/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      
/13:18      /14:37      /15:116     /16:1917    /17:372     /18:403     
/19:536     /20:837     /21:861     /22:1314    /23:1396    /24:9052    
/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
  8895         136         141  ISU Internet Services Unit ISU, SA
 27884          90          90  CABLECOLOR S.A., HN
 36914          84          97  KENET-AS, KE
 23024          53         113  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
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US
 32440          29          44  LONI, US

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

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

   1:5         5:15        6:4         8:2        12:1        14:84     
  18:41       23:7        24:3        31:6        37:6        38:9      
  41:141      42:26       44:5        45:53       46:7        47:5      
  49:10       50:2        52:1        58:1        59:11       60:4      
  61:4        62:7        63:33       64:28       66:50       67:44     
  68:8        69:17       72:13       74:18       76:33       77:6      
  78:3        79:10       80:14       81:28       82:4        83:7      
  84:8        85:33       86:9        87:1        88:1        89:10     
  91:46       92:1        93:12       94:4        95:5        96:5      
  97:1        98:2       101:2       102:9       103:212     104:72     
 106:1       107:1       108:5       109:8       110:3       111:16     
 112:4       114:23      115:1       116:4       117:61      118:20     
 119:19      121:29      122:8       124:42      125:11      128:50     
 129:35      130:92      131:88      132:51      133:137     134:93     
 136:193     137:113     138:1       139:5       140:51      141:2      
 142:38      143:35      144:27      146:122     147:42      148:159    
 149:13      150:35      151:6       152:75      153:11      154:24     
 155:46      156:61      157:25      158:44      159:117     160:25     
 161:17      162:30      163:65      164:40      165:16      166:1      
 167:16      168:126     169:10      170:48      171:1       172:2      
 173:6       175:32      176:8       177:8       178:1       179:8      
 180:16      181:1       182:5       184:5       185:40      186:3      
 187:18      188:13      189:6       190:134     191:32      192:1310   
 193:252     194:137     195:91      196:169     197:4       198:445    
 199:257     200:255     201:39      202:409     203:178     204:339    
 205:159     206:172     207:173     208:57      209:105     210:190    
 211:14      212:168     213:4       214:7       216:49      217:16     
 218:26      219:8       220:24      222:4       223:2      

End of report


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