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

REN Routing Table Report cscora at frr.nsrc.org
Fri Oct 22 21:05:28 UTC 2021


Global R&E Routing Table Report   21:05 GMT Fri 22 Oct, 2021

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

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

BGP routing table entries examined:                               17429
    Prefixes after maximum aggregation (per Origin AS):           10030
    Deaggregation factor:                                          1.74
    Unique aggregates announced (without unneeded subnets):       11189
Total ASes present in the Internet Routing Table:                  2646
    Prefixes per ASN:                                              6.59
Origin-only ASes present in the Internet Routing Table:            2278
Origin ASes announcing only one prefix:                            1031
Transit ASes present in the Internet Routing Table:                 368
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:                                      14
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:               303
    Number of instances of unregistered ASNs:                       303
Number of 32-bit ASNs allocated by the RIRs:                      37599
Number of 32-bit ASNs visible in the Routing Table:                 576
Prefixes from 32-bit ASNs in the Routing Table:                    1681
Number of bogon 32-bit ASNs visible in the Routing Table:             2
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:              2
Number of addresses announced to Internet:                    200430848
    Equivalent to 11 /8s, 242 /16s and 85 /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:        1695

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

Prefixes being announced by APNIC Region ASes:                     4351
    Total APNIC prefixes after maximum aggregation:                2165
    APNIC Deaggregation factor:                                    2.01
Prefixes being announced from the APNIC address blocks:            4637
    Unique aggregates announced from the APNIC address blocks:     2559
APNIC Region origin ASes present in the Internet Routing Table:     539
    APNIC Prefixes per ASN:                                        8.60
APNIC Region origin ASes announcing only one prefix:                233
APNIC Region transit ASes present in the Internet Routing Table:     63
Average APNIC Region AS path length visible:                        3.8
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    202
Number of APNIC addresses announced to Internet:               45637632
    Equivalent to 2 /8s, 184 /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, 131072-151865
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:                      7076
    Total ARIN prefixes after maximum aggregation:                 4251
    ARIN Deaggregation factor:                                     1.66
Prefixes being announced from the ARIN address blocks:             7097
    Unique aggregates announced from the ARIN address blocks:      4758
ARIN Region origin ASes present in the Internet Routing Table:     1106
    ARIN Prefixes per ASN:                                         6.42
ARIN Region origin ASes announcing only one prefix:                 392
ARIN Region transit ASes present in the Internet Routing Table:     146
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     144
Number of ARIN addresses announced to Internet:                89933824
    Equivalent to 5 /8s, 92 /16s and 72 /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:                      3353
    Total RIPE prefixes after maximum aggregation:                 2734
    RIPE Deaggregation factor:                                     1.23
Prefixes being announced from the RIPE address blocks:             3346
    Unique aggregates announced from the RIPE address blocks:      2748
RIPE Region origin ASes present in the Internet Routing Table:      658
    RIPE Prefixes per ASN:                                         5.09
RIPE Region origin ASes announcing only one prefix:                 317
RIPE Region transit ASes present in the Internet Routing Table:     104
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:                58065664
    Equivalent to 3 /8s, 118 /16s and 3 /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:                    1465
    Total LACNIC prefixes after maximum aggregation:                596
    LACNIC Deaggregation factor:                                   2.46
Prefixes being announced from the LACNIC address blocks:           1466
    Unique aggregates announced from the LACNIC address blocks:     827
LACNIC Region origin ASes present in the Internet Routing Table:    177
    LACNIC Prefixes per ASN:                                       8.28
LACNIC Region origin ASes announcing only one prefix:                67
LACNIC Region transit ASes present in the Internet Routing Table:    25
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    77
Number of LACNIC addresses announced to Internet:               4055040
    Equivalent to 0 /8s, 61 /16s and 224 /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:                    881
    Total AfriNIC prefixes after maximum aggregation:               188
    AfriNIC Deaggregation factor:                                  4.69
Prefixes being announced from the AfriNIC address blocks:           881
    Unique aggregates announced from the AfriNIC address blocks:    295
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     17.62
AfriNIC Region origin ASes announcing only one prefix:               22
AfriNIC Region transit ASes present in the Internet Routing Table:   12
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       11
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   25
Number of AfriNIC addresses announced to Internet:              2738176
    Equivalent to 0 /8s, 41 /16s and 200 /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         609       2157     457  SINET-AS Research Organization of Infor
  7497         429        182      24  CSTNET-AS-AP Computer Network Informati
  1237         185         74     135  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         126       4192      72  ERX-CERNET-BKB China Education and Rese
 24313          80         16       1  NSW-DET-AS NSW Department of Education,
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol University, T
  7575          64         40      44  AARNET-AS-AP Australian Academic and Re
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   376         233        180     157  RISQ-AS, CA
   668         209        702     180  DNIC-AS-00668, US
  5786         196         16       1  UPRENET, PR
  2152         158        507      86  CSUNET-NW, US
 18558         137         18       4  NETBLK-RCOEK, US
  2920         109         34       6  LACOE, US
 21976          86         51      18  NJEDGE-NET, US
     3          77        528      13  MIT-GATEWAYS, US
  3477          72         71      42  NOAA-NWAVE, US
 22742          69         53      34  CT-EDU-NET, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         276       1998     238  DFN Verein zur Foerderung eines Deutsch
   786         186       1774     183  JANET Jisc Services Limited, GB
  8895         143         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  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          67        647      61  FR-RENATER Reseau National de telecommu
  2614          60         33      58  ROEDUNET, RO
  1930          57         81      52  RCCN Fundacao para a Ciencia e a Tecnol

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         177        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
  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
 28571          37         26      15  UNIVERSIDADE DE SAO PAULO, BR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         344        319      73  TENET-1, ZA
327687         135         28       3  RENU, UG
 36914         100         82       3  KENET-AS, KE
  2561          73          5      32  EUN, EG
  8094          50         48       4  PUKNET, ZA
 37215          32          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37182          14          8       1  TERNET, TZ
 37501          11         49       6  UOFS, ZA
327700          10         16       1  MoRENet, MZ

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         609       2157     457  SINET-AS Research Organization of Infor
  7497         429        182      24  CSTNET-AS-AP Computer Network Informati
  2018         344        319      73  TENET-1, ZA
 64623         318         16       1  >>UNKNOWN<<
   680         276       1998     238  DFN Verein zur Foerderung eines Deutsch
   376         233        180     157  RISQ-AS, CA
   668         209        702     180  DNIC-AS-00668, US
  5786         196         16       1  UPRENET, PR
   786         186       1774     183  JANET Jisc Services Limited, GB
  1237         185         74     135  KREONET-AS-KR KISTI, KR

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

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

   ASN  No of nets  Net Savings  Description
  7497         429          405  CSTNET-AS-AP Computer Network Information Cente
 64623         318          317  UNASSIGNED
  2018         344          271  TENET-1, ZA
  5786         196          195  UPRENET, PR
 58647         164          162  KAGAWAU-AS Kagawa University, JP
  8895         143          139  ISU Internet Services Unit ISU, SA
  1916         177          136  Associacao Rede Nacional de Ensino e Pesquisa, 
 18558         137          133  NETBLK-RCOEK, US
327687         135          132  RENU, UG
 55824         128          106  NKN-CORE-NW NKN Core Network, IN

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     64611  PRIVATE      103.36.12.0/24            7575  AARNET-AS-AP Australian Acad
     64789  PRIVATE      103.68.92.0/24            7575  AARNET-AS-AP Australian Acad
     64607  PRIVATE      103.84.224.0/24           7575  AARNET-AS-AP Australian Acad
     64686  PRIVATE      103.105.112.0/24          7575  AARNET-AS-AP Australian Acad
     64756  PRIVATE      103.239.212.0/24          7575  AARNET-AS-AP Australian Acad
     64600  PRIVATE      129.96.0.0/16             7575  AARNET-AS-AP Australian Acad
     64607  PRIVATE      130.56.0.0/16             7575  AARNET-AS-AP Australian Acad
     64607  PRIVATE      130.56.3.0/24             7575  AARNET-AS-AP Australian Acad
     65522  PRIVATE      130.56.240.0/21           7575  AARNET-AS-AP Australian Acad
     65522  PRIVATE      130.56.248.0/21           7575  AARNET-AS-AP Australian Acad

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

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

Unassigned Network     ASN Information  AS Name
192.107.242.0/24     Origin:    394784  UNASSIGNED
192.107.242.0/24    Transit:     40831  PHS, US
205.166.145.0/24     Origin:    394784  UNASSIGNED
205.166.145.0/24    Transit:     40831  PHS, US

Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/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      /14:35      /15:122     /16:1948    /17:379     /18:424     
/19:528     /20:845     /21:872     /22:1357    /23:1436    /24:9451    
/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         138         143  ISU Internet Services Unit ISU, SA
 36914          86         100  KENET-AS, KE
 23024          53          56  OCDE, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 25977          31          45  HCCS, US
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US
 32440          29          44  LONI, US
200521          29          48  SEAP-AGE, ES
263282          29          34  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
 37215          26          32  MAREN, MW

Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/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       23:8        24:6        31:6        37:6        38:9      
  41:121      42:7        44:5        45:60       46:7        47:5      
  49:10       50:1        52:1        58:1        59:11       60:4      
  61:3        62:5        63:33       64:27       66:34       67:43     
  68:8        69:21       72:14       74:19       76:32       77:6      
  78:3        79:10       80:18       81:27       82:5        83:7      
  84:7        85:33       86:9        87:1        88:1        89:10     
  91:45       92:1        93:19       94:4        95:5        96:5      
  97:1        98:2       101:6       102:17      103:286     104:13     
 106:1       107:1       108:6       109:9       110:3       111:16     
 112:4       113:1       114:23      116:5       117:61      118:19     
 119:19      121:26      122:8       124:39      125:4       128:103    
 129:46      130:96      131:84      132:58      133:138     134:43     
 136:190     137:271     138:21      139:15      140:50      141:2      
 142:40      143:35      144:27      146:122     147:34      148:159    
 149:13      150:40      151:6       152:73      153:86      154:24     
 155:50      156:68      157:25      158:42      159:117     160:25     
 161:17      162:28      163:65      164:41      165:54      166:1      
 167:16      168:149     169:9       170:49      171:1       172:2      
 175:31      176:8       177:10      178:1       179:12      180:21     
 181:2       182:8       184:1       185:38      186:3       187:18     
 188:13      189:3       190:50      191:35      192:1266    193:252    
 194:132     195:92      196:178     197:5       198:434     199:259    
 200:253     201:39      202:485     203:322     204:341     205:163    
 206:173     207:171     208:56      209:107     210:175     211:14     
 212:168     213:4       214:7       216:50      217:14      218:25     
 219:8       220:17      222:5       223:2      

End of report


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