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

REN Routing Table Report cscora at frr.nsrc.org
Tue Feb 28 21:05:48 UTC 2023


IPv4 R&E Routing Table Report   21:05 GMT Tue 28 Feb, 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:                               17962
    Prefixes after maximum aggregation (per Origin AS):           10163
    Deaggregation factor:                                          1.77
    Unique aggregates announced (without unneeded subnets):       11341
    Number of IPv4 prefixes with a valid ROA:                      4373
    Number of IPv4 prefixes with an invalid ROA:                     72
    Number of IPv4 prefixes with no ROA:                          13517
Total ASes present in the Internet Routing Table:                  2610
    Prefixes per ASN:                                              6.88
Origin-only ASes present in the Internet Routing Table:            2251
Origin ASes announcing only one prefix:                            1006
Transit ASes present in the Internet Routing Table:                 359
Transit-only ASes present in the Internet Routing Table:             64
Paths with bogon ASNs present in the IPv4 Routing Table:             67
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:                 5
    Number of instances of unregistered ASNs:                         5
Number of 32-bit ASNs allocated by the RIRs:                      41309
Number of 32-bit ASNs visible in the Routing Table:                 594
Prefixes from 32-bit ASNs in the Routing Table:                    1677
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:              1
Number of addresses announced to Internet:                    199098112
    Equivalent to 11 /8s, 221 /16s and 255 /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:        1911

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

Prefixes being announced by APNIC Region ASes:                     4717
    Total APNIC prefixes after maximum aggregation:                2271
    APNIC Deaggregation factor:                                    2.08
Prefixes being announced from the APNIC address blocks:            4719
    Unique aggregates announced from the APNIC address blocks:     2625
APNIC Region origin ASes present in the Internet Routing Table:     535
    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:     60
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:               45494016
    Equivalent to 2 /8s, 182 /16s and 47 /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:                      7325
    Total ARIN prefixes after maximum aggregation:                 4291
    ARIN Deaggregation factor:                                     1.71
Prefixes being announced from the ARIN address blocks:             7340
    Unique aggregates announced from the ARIN address blocks:      4790
ARIN Region origin ASes present in the Internet Routing Table:     1134
    ARIN Prefixes per ASN:                                         6.47
ARIN Region origin ASes announcing only one prefix:                 399
ARIN Region transit ASes present in the Internet Routing Table:     149
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:     173
Number of ARIN addresses announced to Internet:                89197824
    Equivalent to 5 /8s, 81 /16s and 13 /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:                      3517
    Total RIPE prefixes after maximum aggregation:                 2823
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3508
    Unique aggregates announced from the RIPE address blocks:      2849
RIPE Region origin ASes present in the Internet Routing Table:      667
    RIPE Prefixes per ASN:                                         5.26
RIPE Region origin ASes announcing only one prefix:                 299
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:                          12
Number of RIPE region 32-bit ASNs visible in the Routing Table:     137
Number of RIPE addresses announced to Internet:                57786112
    Equivalent to 3 /8s, 113 /16s and 191 /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:                    1365
    Total LACNIC prefixes after maximum aggregation:                565
    LACNIC Deaggregation factor:                                   2.42
Prefixes being announced from the LACNIC address blocks:           1362
    Unique aggregates announced from the LACNIC address blocks:     781
LACNIC Region origin ASes present in the Internet Routing Table:    157
    LACNIC Prefixes per ASN:                                       8.68
LACNIC Region origin ASes announcing only one prefix:                57
LACNIC Region transit ASes present in the Internet Routing Table:    23
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:    62
Number of LACNIC addresses announced to Internet:               3974400
    Equivalent to 0 /8s, 60 /16s and 165 /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:                   1033
    Total AfriNIC prefixes after maximum aggregation:               208
    AfriNIC Deaggregation factor:                                  4.97
Prefixes being announced from the AfriNIC address blocks:          1032
    Unique aggregates announced from the AfriNIC address blocks:    295
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     20.64
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:                      3.9
    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:              2645248
    Equivalent to 0 /8s, 40 /16s and 93 /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         582       2157     463  SINET-AS Research Organization of Infor
  7497         435        182      24  CSTNET-AS-AP Computer Network Informati
  7575         348        330     126  AARNET-AS-AP Australian Academic and Re
  1237         185         74     134  KREONET-AS-KR KISTI, KR
 58647         177         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          83         16       1  NSW-DET-AS NSW Department of Education,
  4621          65          6      46  UNINET-AS-AP UNINET-, TH
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol University, T

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         214        686     182  DNIC-AS-00668, US
  2152         212        507      92  CSUNET-NW, US
   376         199        178     149  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
 18558         134         18       4  NETBLK-RCOEK, 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          80         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         136         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          96       1518      85  SURFNET-NL SURFnet, The Netherlands, NL
  2614          94         27      74  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  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         158        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          58         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          42          3      14  CEDIA, EC
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
 28571          37         40      18  UNIVERSIDADE DE SAO PAULO, BR
263282          37          5      12  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA

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         380        319      72  TENET-1, ZA
 36914         252         82       3  KENET-AS, KE
  2561          67          4      34  EUN, EG
327687          61         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
  3208          32          2       1  ARN, DZ
 37182          32          8       1  TERNET, TZ
327700          32         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37501          11         49       6  UOFS, ZA

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         582       2157     463  SINET-AS Research Organization of Infor
  7497         435        182      24  CSTNET-AS-AP Computer Network Informati
  2018         380        319      72  TENET-1, ZA
  7575         348        330     126  AARNET-AS-AP Australian Academic and Re
   680         283       1919     249  DFN Verein zur Foerderung eines Deutsch
 36914         252         82       3  KENET-AS, KE
   668         214        686     182  DNIC-AS-00668, US
  2152         212        507      92  CSUNET-NW, US
   376         199        178     149  RISQ-AS, CA
  5786         199         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         380          308  TENET-1, ZA
 36914         252          249  KENET-AS, KE
  7575         348          222  AARNET-AS-AP Australian Academic and Research N
  5786         199          198  UPRENET, PR
 58647         177          175  KAGAWAU-AS Kagawa University, JP
  8895         136          132  ISU Internet Services Unit ISU, SA
 18558         134          130  NETBLK-RCOEK, US
  2152         212          120  CSUNET-NW, US
  1916         158          115  Rede Nacional de Ensino e Pesquisa, BR

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
     18621  UNALLOCATED  142.156.0.0/16           26677  ORION-ASN, CA
     65000  PRIVATE      194.14.96.0/24            2837  SUNET-KI, SE
    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

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      /14:34      /15:121     /16:1930    /17:402     /18:431     
/19:527     /20:832     /21:863     /22:1371    /23:1508    /24:9911    
/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         239         252  KENET-AS, KE
  8895         131         136  ISU Internet Services Unit ISU, SA
 23024          52         113  OCDE, US
 32440          34          49  LONI, US
 46115          32          35  LUTHER, US
 37182          31          32  TERNET, TZ
 25977          30          44  HCCS, US
 28614          30          36  Fundacao Universidade Regional de Blumenau, BR
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US

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        6:4         8:2        12:1        14:89     
  23:6        24:3        31:7        35:6        38:9        41:138    
  42:10       44:5        45:38       46:5        47:1        49:7      
  50:1        52:1        58:1        59:11       60:4        61:3      
  62:10       63:32       64:31       65:1        66:14       67:42     
  68:8        69:21       70:2        72:7        74:49       76:39     
  77:9        78:3        79:10       80:17       81:27       82:6      
  83:6        84:9        85:41       86:5        87:1        89:10     
  91:44       92:2        93:4        94:4        95:2        96:5      
  97:2        98:2       101:6       102:15      103:268     104:77     
 108:4       109:10      110:2       111:16      113:1       114:23     
 116:6       117:61      118:19      119:21      121:28      122:8      
 123:8       124:39      125:4       128:112     129:38      130:88     
 131:57      132:47      133:148     134:101     136:201     137:225    
 138:19      139:16      140:50      141:1       142:38      143:30     
 144:23      145:2       146:129     147:29      148:192     149:12     
 150:131     151:9       152:79      153:91      154:30      155:55     
 156:68      157:34      158:36      159:115     160:27      161:18     
 162:26      163:78      164:10      165:51      166:1       167:16     
 168:124     169:10      170:60      171:1       172:3       173:6      
 175:31      176:8       177:9       179:10      180:16      181:1      
 182:3       184:2       185:39      186:3       187:19      188:13     
 189:3       190:18      191:36      192:1292    193:343     194:139    
 195:88      196:168     197:155     198:447     199:261     200:222    
 201:37      202:565     203:393     204:333     205:123     206:177    
 207:172     208:69      209:124     210:186     211:17      212:169    
 213:5       214:8       216:55      217:11      218:22      219:6      
 220:17      222:5       223:4      

End of report


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