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

REN Routing Table Report cscora at frr.nsrc.org
Mon Aug 2 21:10:56 UTC 2021


Global R&E Routing Table Report   21:10 GMT Mon 02 Aug, 2021

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

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

BGP routing table entries examined:                               16685
    Prefixes after maximum aggregation (per Origin AS):            9699
    Deaggregation factor:                                          1.72
    Unique aggregates announced (without unneeded subnets):       10984
Total ASes present in the Internet Routing Table:                  2479
    Prefixes per ASN:                                              6.73
Origin-only ASes present in the Internet Routing Table:            2105
Origin ASes announcing only one prefix:                             974
Transit ASes present in the Internet Routing Table:                 374
Transit-only ASes present in the Internet Routing Table:             71
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:                      36751
Number of 32-bit ASNs visible in the Routing Table:                 511
Prefixes from 32-bit ASNs in the Routing Table:                    1499
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:                    198093568
    Equivalent to 11 /8s, 206 /16s and 171 /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:        1780

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

Prefixes being announced by APNIC Region ASes:                     3788
    Total APNIC prefixes after maximum aggregation:                1899
    APNIC Deaggregation factor:                                    1.99
Prefixes being announced from the APNIC address blocks:            3787
    Unique aggregates announced from the APNIC address blocks:     2185
APNIC Region origin ASes present in the Internet Routing Table:     435
    APNIC Prefixes per ASN:                                        8.71
APNIC Region origin ASes announcing only one prefix:                174
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:    149
Number of APNIC addresses announced to Internet:               41301504
    Equivalent to 2 /8s, 118 /16s and 54 /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:                      7355
    Total ARIN prefixes after maximum aggregation:                 4366
    ARIN Deaggregation factor:                                     1.68
Prefixes being announced from the ARIN address blocks:             7361
    Unique aggregates announced from the ARIN address blocks:      4956
ARIN Region origin ASes present in the Internet Routing Table:     1111
    ARIN Prefixes per ASN:                                         6.63
ARIN Region origin ASes announcing only one prefix:                 394
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:                92069120
    Equivalent to 5 /8s, 124 /16s and 221 /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:                      3333
    Total RIPE prefixes after maximum aggregation:                 2723
    RIPE Deaggregation factor:                                     1.22
Prefixes being announced from the RIPE address blocks:             3337
    Unique aggregates announced from the RIPE address blocks:      2744
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:                 317
RIPE Region transit ASes present in the Internet Routing Table:     108
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:                58092032
    Equivalent to 3 /8s, 118 /16s and 106 /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:                    1307
    Total LACNIC prefixes after maximum aggregation:                518
    LACNIC Deaggregation factor:                                   2.52
Prefixes being announced from the LACNIC address blocks:           1305
    Unique aggregates announced from the LACNIC address blocks:     798
LACNIC Region origin ASes present in the Internet Routing Table:    146
    LACNIC Prefixes per ASN:                                       8.94
LACNIC Region origin ASes announcing only one prefix:                65
LACNIC Region transit ASes present in the Internet Routing Table:    24
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:    65
Number of LACNIC addresses announced to Internet:               3939072
    Equivalent to 0 /8s, 60 /16s and 27 /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:                    892
    Total AfriNIC prefixes after maximum aggregation:               188
    AfriNIC Deaggregation factor:                                  4.74
Prefixes being announced from the AfriNIC address blocks:           892
    Unique aggregates announced from the AfriNIC address blocks:    298
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     17.84
AfriNIC Region origin ASes announcing only one prefix:               24
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:   26
Number of AfriNIC addresses announced to Internet:              2687232
    Equivalent to 0 /8s, 41 /16s and 1 /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
  5786         201         16       1  UPRENET, PR
   668         200        700     171  DNIC-AS-00668, US
  2152         160        507      89  CSUNET-NW, US
 18558         137         18       4  NETBLK-RCOEK, US
   270         114        289      84  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          61         32      58  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
 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/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         135         28       3  RENU, UG
 36914          99         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
  5786         201         16       1  UPRENET, PR
   668         200        700     171  DNIC-AS-00668, US
  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         135          132  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     /16:1913    /17:372     /18:403     
/19:535     /20:828     /21:839     /22:1293    /23:1379    /24:8938    
/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          86          99  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      
  41:142      42:26       44:5        45:57       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       102:10      103:217     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     137:116     138:1       139:5       140:51      141:2      
 142:40      143:35      144:27      146:122     147:44      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      163:61      164:40      165:16      166:1      
 167:16      168:106     169:10      170:7       171:1       172:2      
 173:6       175:32      176:8       177:8       178:1       179:6      
 180:16      181:1       182:5       184:5       185:40      186:3      
 187:18      188:13      189:6       190:118     191:32      192:1310   
 193:252     194:135     195:91      196:170     197:5       198:445    
 199:254     200:209     201:39      202:410     203:178     204:339    
 205:159     206:172     207:172     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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