[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AARNET (Brisbane) (R&E) view

REN Routing Table Report cscora at frr.nsrc.org
Wed Jul 20 21:05:47 UTC 2022


IPv4 R&E Routing Table Report   21:05 GMT Wed 20 Jul, 2022

  IPv4 BGP Table (R&E) as seen at AARNET (Brisbane).

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

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

BGP routing table entries examined:                               17582
    Prefixes after maximum aggregation (per Origin AS):           10113
    Deaggregation factor:                                          1.74
    Unique aggregates announced (without unneeded subnets):       11252
    Number of IPv4 prefixes with a valid ROA:                      4076
    Number of IPv4 prefixes with an invalid ROA:                     30
    Number of IPv4 prefixes with no ROA:                          13476
Total ASes present in the Internet Routing Table:                  2602
    Prefixes per ASN:                                              6.76
Origin-only ASes present in the Internet Routing Table:            2235
Origin ASes announcing only one prefix:                            1018
Transit ASes present in the Internet Routing Table:                 367
Transit-only ASes present in the Internet Routing Table:             67
Paths with bogon ASNs present in the IPv4 Routing Table:             60
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      18
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                 8
    Number of instances of unregistered ASNs:                         8
Number of 32-bit ASNs allocated by the RIRs:                      39820
Number of 32-bit ASNs visible in the Routing Table:                 593
Prefixes from 32-bit ASNs in the Routing Table:                    1688
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:              0
Number of addresses announced to Internet:                    199473664
    Equivalent to 11 /8s, 227 /16s and 186 /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:               99.6
Total number of prefixes smaller than registry allocations:        1796

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

Prefixes being announced by APNIC Region ASes:                     4537
    Total APNIC prefixes after maximum aggregation:                2228
    APNIC Deaggregation factor:                                    2.04
Prefixes being announced from the APNIC address blocks:            4538
    Unique aggregates announced from the APNIC address blocks:     2564
APNIC Region origin ASes present in the Internet Routing Table:     537
    APNIC Prefixes per ASN:                                        8.45
APNIC Region origin ASes announcing only one prefix:                233
APNIC Region transit ASes present in the Internet Routing Table:     65
Average APNIC Region AS path length visible:                        3.7
    Max APNIC Region AS path length visible:                         18
Number of APNIC region 32-bit ASNs visible in the Routing Table:    205
Number of APNIC addresses announced to Internet:               45578240
    Equivalent to 2 /8s, 183 /16s and 120 /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:                      7160
    Total ARIN prefixes after maximum aggregation:                 4248
    ARIN Deaggregation factor:                                     1.69
Prefixes being announced from the ARIN address blocks:             7177
    Unique aggregates announced from the ARIN address blocks:      4770
ARIN Region origin ASes present in the Internet Routing Table:     1120
    ARIN Prefixes per ASN:                                         6.41
ARIN Region origin ASes announcing only one prefix:                 396
ARIN Region transit ASes present in the Internet Routing Table:     148
Average ARIN Region AS path length visible:                         4.1
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     164
Number of ARIN addresses announced to Internet:                89103104
    Equivalent to 5 /8s, 79 /16s and 155 /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:                      3494
    Total RIPE prefixes after maximum aggregation:                 2835
    RIPE Deaggregation factor:                                     1.23
Prefixes being announced from the RIPE address blocks:             3486
    Unique aggregates announced from the RIPE address blocks:      2831
RIPE Region origin ASes present in the Internet Routing Table:      660
    RIPE Prefixes per ASN:                                         5.28
RIPE Region origin ASes announcing only one prefix:                 301
RIPE Region transit ASes present in the Internet Routing Table:      99
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:     131
Number of RIPE addresses announced to Internet:                57862912
    Equivalent to 3 /8s, 114 /16s and 235 /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:                    1438
    Total LACNIC prefixes after maximum aggregation:                586
    LACNIC Deaggregation factor:                                   2.45
Prefixes being announced from the LACNIC address blocks:           1436
    Unique aggregates announced from the LACNIC address blocks:     789
LACNIC Region origin ASes present in the Internet Routing Table:    161
    LACNIC Prefixes per ASN:                                       8.92
LACNIC Region origin ASes announcing only one prefix:                62
LACNIC Region transit ASes present in the Internet Routing Table:    25
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:    67
Number of LACNIC addresses announced to Internet:               4273408
    Equivalent to 0 /8s, 65 /16s and 53 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-273820 + 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:                    945
    Total AfriNIC prefixes after maximum aggregation:               208
    AfriNIC Deaggregation factor:                                  4.54
Prefixes being announced from the AfriNIC address blocks:           945
    Unique aggregates announced from the AfriNIC address blocks:    298
AfriNIC Region origin ASes present in the Internet Routing Table:    51
    AfriNIC Prefixes per ASN:                                     18.53
AfriNIC Region origin ASes announcing only one prefix:               26
AfriNIC Region transit ASes present in the Internet Routing Table:   12
Average AfriNIC Region AS path length visible:                      3.7
    Max AfriNIC Region AS path length visible:                       10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   26
Number of AfriNIC addresses announced to Internet:              2656000
    Equivalent to 0 /8s, 40 /16s and 135 /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         572       2140     454  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
  7575         346        330     125  AARNET-AS-AP Australian Academic and Re
  1237         185         74     134  KREONET-AS-KR KISTI, KR
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP
  4538         128       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         116         18      11  NKN-CORE-NW NKN Core Network, IN
 24313          81         16       1  NSW-DET-AS NSW Department of Education,
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
  1659          54       1450      34  ERX-TANET-ASN1 Taiwan Academic Network 

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
   668         212        702     180  DNIC-AS-00668, US
   376         203        178     152  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  2152         153        507      89  CSUNET-NW, US
 18558         134         18       4  NETBLK-RCOEK, US
 23024         114          7      17  OCDE, US
  2920         108         34       7  LACOE, US
 32531          90          6      60  FORDHAM-UNIVERSITY, US
 21976          85         51      18  NJEDGE-NET, US
     3          81        496      16  MIT-GATEWAYS, 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         283       1951     250  DFN Verein zur Foerderung eines Deutsch
   786         187       1775     184  JANET Jisc Services Limited, GB
  8895         138         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          97       1520      85  SURFNET-NL SURFnet, The Netherlands, NL
  2614          96         27      76  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  BELWUE BelWue-Koordination, DE
  2200          64        599      59  FR-RENATER Reseau National de telecommu
  1930          58         81      53  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         158        208      44  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          94         24      54  Red Universitaria Nacional, CL
  2715          59        102      39  Fundacao Carlos Chagas Filho de Amparo 
  1251          58         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  4270          43         16       1  Red de Interconexion Universitaria, AR
 28571          41         40      18  UNIVERSIDADE DE SAO PAULO, BR
 61468          41          3      15  CEDIA, EC
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
 28614          37          2       2  Fundacao Universidade Regional de Blume

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         377        319      73  TENET-1, ZA
 36914         228         82       3  KENET-AS, KE
  2561          67          4      32  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          38         28       3  RENU, UG
327700          35         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37182          18          8       1  TERNET, TZ
 37501          11         49       6  UOFS, ZA
 37074          10          7       7  UG-AS, GH

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         572       2140     454  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
  2018         377        319      73  TENET-1, ZA
  7575         346        330     125  AARNET-AS-AP Australian Academic and Re
   680         283       1951     250  DFN Verein zur Foerderung eines Deutsch
 36914         228         82       3  KENET-AS, KE
   668         212        702     180  DNIC-AS-00668, US
   376         203        178     152  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
   786         187       1775     184  JANET Jisc Services Limited, GB

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         432          408  CSTNET-AS-AP Computer Network Information Cente
  2018         377          304  TENET-1, ZA
 36914         228          225  KENET-AS, KE
  7575         346          221  AARNET-AS-AP Australian Academic and Research N
  5786         200          199  UPRENET, PR
 58647         175          173  KAGAWAU-AS Kagawa University, JP
  8895         138          134  ISU Internet Services Unit ISU, SA
 18558         134          130  NETBLK-RCOEK, US
  1916         158          114  Rede Nacional de Ensino e Pesquisa, BR
 55824         116          105  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
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     65000  PRIVATE      130.229.0.0/18            2837  SUNET-KI, SE
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
     22226  UNALLOCATED  156.1.0.0/16              2152  CSUNET-NW, US
     65000  PRIVATE      194.14.96.0/24            2837  SUNET-KI, SE
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US
    395514  UNALLOCATED  205.213.88.0/24           2381  WISCNET1-AS, US
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

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

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      /14:34      /15:121     /16:1933    /17:393     /18:430     
/19:520     /20:821     /21:872     /22:1371    /23:1485    /24:9570    
/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
 36914         215         228  KENET-AS, KE
  8895         133         138  ISU Internet Services Unit ISU, SA
 23024          53         114  OCDE, US
 46115          32          35  LUTHER, US
 25977          31          45  HCCS, US
 28614          31          37  Fundacao Universidade Regional de Blumenau, BR
 32440          31          46  LONI, US
200521          31          52  SEAP-AGE, ES
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
327700          30          35  MoRENet, MZ

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

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

   1:3         5:15        6:4         8:2        12:1        14:86     
  18:46       23:7        24:3        31:7        35:4        37:6      
  38:9        41:129      42:9        44:5        45:35       46:5      
  47:1        49:10       50:2        52:1        58:1        59:11     
  60:4        61:3        62:7        63:4        64:28       65:1      
  66:15       67:43       68:8        69:19       70:2        72:7      
  74:48       76:34       77:3        78:3        79:10       80:14     
  81:28       82:7        83:6        84:6        85:43       86:6      
  87:1        88:1        89:10       91:45       92:1        93:10     
  94:4        95:4        96:5        97:1        98:2       101:6      
 102:13      103:291     104:75      107:1       108:5       109:8      
 110:4       111:16      113:1       114:23      116:6       117:61     
 118:19      119:24      121:27      122:8       123:8       124:39     
 125:3       128:112     129:38      130:93      131:64      132:55     
 133:145     134:100     136:202     137:218     138:18      139:15     
 140:52      141:1       142:40      143:31      144:23      145:2      
 146:126     147:31      148:191     149:12      150:131     151:6      
 152:73      153:89      154:29      155:51      156:67      157:28     
 158:44      159:116     160:26      161:18      162:33      163:74     
 164:15      165:57      166:1       167:16      168:122     169:9      
 170:50      172:2       173:6       175:31      176:8       177:11     
 179:10      180:19      181:1       182:6       184:4       185:39     
 186:3       187:19      188:13      189:3       190:33      191:36     
 192:1281    193:308     194:136     195:91      196:162     197:132    
 198:419     199:264     200:226     201:38      202:431     203:322    
 204:313     205:111     206:165     207:162     208:68      209:106    
 210:181     211:13      212:172     213:5       214:8       216:55     
 217:7       218:22      219:6       220:17      222:5       223:3      


End of report


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