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

REN Routing Table Report cscora at frr.nsrc.org
Fri May 26 21:05:49 UTC 2023


IPv4 R&E Routing Table Report   21:05 GMT Fri 26 May, 2023

  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:                               17892
    Prefixes after maximum aggregation (per Origin AS):            9938
    Deaggregation factor:                                          1.80
    Unique aggregates announced (without unneeded subnets):       11072
    Number of IPv4 prefixes with a valid ROA:                      4575
    Number of IPv4 prefixes with an invalid ROA:                     17
    Number of IPv4 prefixes with no ROA:                          13300
Total ASes present in the Internet Routing Table:                  2584
    Prefixes per ASN:                                              6.92
Origin-only ASes present in the Internet Routing Table:            2226
Origin ASes announcing only one prefix:                             993
Transit ASes present in the Internet Routing Table:                 358
Transit-only ASes present in the Internet Routing Table:             66
Paths with bogon ASNs present in the IPv4 Routing Table:             63
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      19
    Max AS path prepend of ASN (395156)                              12
Prefixes from unregistered ASNs in the Routing Table:                 2
    Number of instances of unregistered ASNs:                         2
Number of 32-bit ASNs allocated by the RIRs:                      41950
Number of 32-bit ASNs visible in the Routing Table:                 588
Prefixes from 32-bit ASNs in the Routing Table:                    1709
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:              2
Number of addresses announced to Internet:                    195961856
    Equivalent to 11 /8s, 174 /16s and 36 /24s
    Percentage of available address space announced:                5.3
    Percentage of allocated address space announced:                5.3
    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:        1896

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

Prefixes being announced by APNIC Region ASes:                     4742
    Total APNIC prefixes after maximum aggregation:                2271
    APNIC Deaggregation factor:                                    2.09
Prefixes being announced from the APNIC address blocks:            4743
    Unique aggregates announced from the APNIC address blocks:     2640
APNIC Region origin ASes present in the Internet Routing Table:     538
    APNIC Prefixes per ASN:                                        8.82
APNIC Region origin ASes announcing only one prefix:                228
APNIC Region transit ASes present in the Internet Routing Table:     58
Average APNIC Region AS path length visible:                        3.7
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    196
Number of APNIC addresses announced to Internet:               45558272
    Equivalent to 2 /8s, 183 /16s and 42 /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, 131072-153913
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:                      7137
    Total ARIN prefixes after maximum aggregation:                 4069
    ARIN Deaggregation factor:                                     1.75
Prefixes being announced from the ARIN address blocks:             7152
    Unique aggregates announced from the ARIN address blocks:      4506
ARIN Region origin ASes present in the Internet Routing Table:     1116
    ARIN Prefixes per ASN:                                         6.41
ARIN Region origin ASes announcing only one prefix:                 390
ARIN Region transit ASes present in the Internet Routing Table:     147
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          19
Number of ARIN region 32-bit ASNs visible in the Routing Table:     175
Number of ARIN addresses announced to Internet:                85919488
    Equivalent to 5 /8s, 31 /16s and 7 /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:                      3541
    Total RIPE prefixes after maximum aggregation:                 2825
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3529
    Unique aggregates announced from the RIPE address blocks:      2852
RIPE Region origin ASes present in the Internet Routing Table:      664
    RIPE Prefixes per ASN:                                         5.31
RIPE Region origin ASes announcing only one prefix:                 297
RIPE Region transit ASes present in the Internet Routing Table:     103
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          12
Number of RIPE region 32-bit ASNs visible in the Routing Table:     135
Number of RIPE addresses announced to Internet:                57815552
    Equivalent to 3 /8s, 114 /16s and 50 /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:                    1485
    Total LACNIC prefixes after maximum aggregation:                577
    LACNIC Deaggregation factor:                                   2.57
Prefixes being announced from the LACNIC address blocks:           1482
    Unique aggregates announced from the LACNIC address blocks:     796
LACNIC Region origin ASes present in the Internet Routing Table:    158
    LACNIC Prefixes per ASN:                                       9.38
LACNIC Region origin ASes announcing only one prefix:                59
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:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    64
Number of LACNIC addresses announced to Internet:               4051200
    Equivalent to 0 /8s, 61 /16s and 209 /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:                    985
    Total AfriNIC prefixes after maximum aggregation:               194
    AfriNIC Deaggregation factor:                                  5.08
Prefixes being announced from the AfriNIC address blocks:           984
    Unique aggregates announced from the AfriNIC address blocks:    276
AfriNIC Region origin ASes present in the Internet Routing Table:    41
    AfriNIC Prefixes per ASN:                                     24.00
AfriNIC Region origin ASes announcing only one prefix:               19
AfriNIC Region transit ASes present in the Internet Routing Table:   10
Average AfriNIC Region AS path length visible:                      3.7
    Max AfriNIC Region AS path length visible:                       11
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   18
Number of AfriNIC addresses announced to Internet:              2616576
    Equivalent to 0 /8s, 39 /16s and 237 /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         595       2154     465  SINET-AS Research Organization of Infor
  7497         435        182      24  CSTNET-AS-AP Computer Network Informati
  7575         347        330     125  AARNET-AS-AP Australian Academic and Re
  1237         191         74     140  KREONET-AS-KR KISTI, KR
 58647         178         18       2  KAGAWAU-AS Kagawa University, JP
  4538         130       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         119         18      12  NKN-CORE-NW NKN Core Network, IN
 24313          82         16       1  NSW-DET-AS NSW Department of Education,
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol University, T
  4621          64          6      46  UNINET-AS-AP UNINET-, TH

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
  2152         250        507      93  CSUNET-NW, US
   376         202        178     150  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
 18558         134         18       4  NETBLK-RCOEK, US
    81         129        521      32  NCREN, US
 23024         113          7      17  OCDE, US
  2920         107         34       7  LACOE, US
 32531          90          6      60  FORDHAM-UNIVERSITY, US
 21976          85         51      18  NJEDGE-NET, US
  1736          79         16       1  MU-AS, 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       1919     249  DFN Verein zur Foerderung eines Deutsch
   786         186       1775     183  JANET Jisc Services Limited, GB
  8895         137         24       5  ISU Internet Services Unit ISU, SA
   559         112        533     104  SWITCH Peering requests: peering at switch
  1103          95       1518      84  SURFNET-NL SURFnet, The Netherlands, NL
  2614          94         27      74  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          74        465      74  BELWUE BelWue-Koordination, DE
  1930          65         81      60  RCCN Fundacao para a Ciencia e a Tecnol
  2200          64        599      59  FR-RENATER Reseau National de telecommu

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         221        208      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         103         24      47  Red Universitaria Nacional, CL
  1251          61         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  4270          45         16       1  Red de Interconexion Universitaria, AR
 61468          43          3      15  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
 28571          37         40      18  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         376        319      72  TENET-1, ZA
 36914         257         82       3  KENET-AS, KE
  2561          67          4      34  EUN, EG
327687          57         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
327700          41         16       1  MoRENet, MZ
  3208          32          2       1  ARN, DZ
  6879          24          2       9  ENSTINET-, EG
 37501          11         49       6  UOFS, ZA
 37654          10          1       6  RwEdNet-AS, RW

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         595       2154     465  SINET-AS Research Organization of Infor
  7497         435        182      24  CSTNET-AS-AP Computer Network Informati
  2018         376        319      72  TENET-1, ZA
  7575         347        330     125  AARNET-AS-AP Australian Academic and Re
   680         283       1919     249  DFN Verein zur Foerderung eines Deutsch
 36914         257         82       3  KENET-AS, KE
  2152         250        507      93  CSUNET-NW, US
  1916         221        208      43  Rede Nacional de Ensino e Pesquisa, BR
   376         202        178     150  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR

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         435          411  CSTNET-AS-AP Computer Network Information Cente
  2018         376          304  TENET-1, ZA
 36914         257          254  KENET-AS, KE
  7575         347          222  AARNET-AS-AP Australian Academic and Research N
  5786         198          197  UPRENET, PR
  1916         221          178  Rede Nacional de Ensino e Pesquisa, BR
 58647         178          176  KAGAWAU-AS Kagawa University, JP
  2152         250          157  CSUNET-NW, US
  8895         137          132  ISU Internet Services Unit ISU, SA
 18558         134          130  NETBLK-RCOEK, US

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
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

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

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

Unassigned Network     ASN Information  AS Name
102.36.194.0/23      Origin:      2018  TENET-1, ZA
102.36.194.0/23     Transit:     11537  INTERNET2-RESEARCH-EDU, US
202.58.231.0/24      Origin:    134096  EHEALTHNSW-AS-AP eHealth NSW, AU
202.58.231.0/24     Transit:      7575  AARNET-AS-AP Australian Academic and Res

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      /14:33      /15:120     /16:1891    /17:400     /18:423     
/19:519     /20:792     /21:829     /22:1367    /23:1506    /24:9980    
/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         245         257  KENET-AS, KE
  8895         132         137  ISU Internet Services Unit ISU, SA
 23024          52         113  OCDE, US
 32440          37          59  LONI, US
327700          35          41  MoRENet, MZ
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
200521          32          54  SEAP-AGE, ES
 25977          30          44  HCCS, US
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN

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

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

   1:2         5:15        8:2        12:1        14:89       23:6      
  24:3        31:7        35:6        38:9        41:114      42:10     
  44:6        45:37       46:5        47:1        49:6        50:1      
  52:1        58:1        59:10       60:4        61:3        62:11     
  63:33       64:31       65:1        66:14       67:41       68:8      
  69:19       70:2        72:7        74:49       76:40       77:9      
  78:3        79:10       80:17       81:25       82:6        83:6      
  84:9        85:41       86:10       87:1        89:10       91:45     
  92:2        93:4        94:4        95:2        96:5        97:2      
  98:2       101:6       102:11      103:264     104:77      108:4      
 109:9       110:2       111:16      113:1       114:23      116:6      
 117:61      118:19      119:21      121:29      122:8       123:8      
 124:38      125:4       128:113     129:38      130:89      131:50     
 132:62      133:157     134:99      136:199     137:222     138:19     
 139:16      140:35      141:1       142:38      143:29      144:23     
 145:2       146:128     147:27      148:192     149:12      150:131    
 151:10      152:144     153:90      154:31      155:55      156:67     
 157:35      158:38      159:115     160:27      161:18      162:25     
 163:75      164:10      165:51      166:1       167:16      168:117    
 169:7       170:61      171:1       172:3       173:6       175:31     
 176:8       177:6       179:12      180:15      181:1       182:3      
 184:2       185:46      186:3       187:17      188:13      189:3      
 190:18      191:36      192:1263    193:343     194:136     195:106    
 196:166     197:161     198:437     199:226     200:313     201:38     
 202:588     203:398     204:338     205:126     206:171     207:180    
 208:69      209:125     210:184     211:6       212:167     213:5      
 216:56      217:10      218:22      219:6       220:17      222:5      
 223:4      

End of report


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