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

REN Routing Table Report cscora at frr.nsrc.org
Mon Jan 23 21:05:48 UTC 2023


IPv4 R&E Routing Table Report   21:05 GMT Mon 23 Jan, 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:                               17735
    Prefixes after maximum aggregation (per Origin AS):           10094
    Deaggregation factor:                                          1.76
    Unique aggregates announced (without unneeded subnets):       11216
    Number of IPv4 prefixes with a valid ROA:                      4320
    Number of IPv4 prefixes with an invalid ROA:                     77
    Number of IPv4 prefixes with no ROA:                          13338
Total ASes present in the Internet Routing Table:                  2575
    Prefixes per ASN:                                              6.89
Origin-only ASes present in the Internet Routing Table:            2217
Origin ASes announcing only one prefix:                             987
Transit ASes present in the Internet Routing Table:                 358
Transit-only ASes present in the Internet Routing Table:             62
Paths with bogon ASNs present in the IPv4 Routing Table:             53
Average AS path length visible in the Internet Routing Table:       3.9
    Max AS path length visible:                                      19
    Max AS path prepend of ASN ( 10497)                              11
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:                      41097
Number of 32-bit ASNs visible in the Routing Table:                 569
Prefixes from 32-bit ASNs in the Routing Table:                    1624
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:                    198644480
    Equivalent to 11 /8s, 215 /16s and 19 /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:        1914

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

Prefixes being announced by APNIC Region ASes:                     4496
    Total APNIC prefixes after maximum aggregation:                2199
    APNIC Deaggregation factor:                                    2.04
Prefixes being announced from the APNIC address blocks:            4498
    Unique aggregates announced from the APNIC address blocks:     2504
APNIC Region origin ASes present in the Internet Routing Table:     511
    APNIC Prefixes per ASN:                                        8.80
APNIC Region origin ASes announcing only one prefix:                214
APNIC Region transit ASes present in the Internet Routing Table:     60
Average APNIC Region AS path length visible:                        3.6
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    181
Number of APNIC addresses announced to Internet:               45348864
    Equivalent to 2 /8s, 179 /16s and 248 /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:                      7371
    Total ARIN prefixes after maximum aggregation:                 4295
    ARIN Deaggregation factor:                                     1.72
Prefixes being announced from the ARIN address blocks:             7386
    Unique aggregates announced from the ARIN address blocks:      4802
ARIN Region origin ASes present in the Internet Routing Table:     1140
    ARIN Prefixes per ASN:                                         6.48
ARIN Region origin ASes announcing only one prefix:                 407
ARIN Region transit ASes present in the Internet Routing Table:     150
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:                88917760
    Equivalent to 5 /8s, 76 /16s and 199 /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:                      3513
    Total RIPE prefixes after maximum aggregation:                 2829
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3504
    Unique aggregates announced from the RIPE address blocks:      2850
RIPE Region origin ASes present in the Internet Routing Table:      664
    RIPE Prefixes per ASN:                                         5.28
RIPE Region origin ASes announcing only one prefix:                 297
RIPE Region transit ASes present in the Internet Routing Table:      98
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:     134
Number of RIPE addresses announced to Internet:                57792512
    Equivalent to 3 /8s, 113 /16s and 216 /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:                    1367
    Total LACNIC prefixes after maximum aggregation:                576
    LACNIC Deaggregation factor:                                   2.37
Prefixes being announced from the LACNIC address blocks:           1364
    Unique aggregates announced from the LACNIC address blocks:     782
LACNIC Region origin ASes present in the Internet Routing Table:    154
    LACNIC Prefixes per ASN:                                       8.86
LACNIC Region origin ASes announcing only one prefix:                55
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:    63
Number of LACNIC addresses announced to Internet:               3986176
    Equivalent to 0 /8s, 60 /16s and 211 /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:                    983
    Total AfriNIC prefixes after maximum aggregation:               190
    AfriNIC Deaggregation factor:                                  5.17
Prefixes being announced from the AfriNIC address blocks:           982
    Unique aggregates announced from the AfriNIC address blocks:    277
AfriNIC Region origin ASes present in the Internet Routing Table:    41
    AfriNIC Prefixes per ASN:                                     23.95
AfriNIC Region origin ASes announcing only one prefix:               14
AfriNIC Region transit ASes present in the Internet Routing Table:   12
Average AfriNIC Region AS path length visible:                      3.8
    Max AfriNIC Region AS path length visible:                       13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   18
Number of AfriNIC addresses announced to Internet:              2598656
    Equivalent to 0 /8s, 39 /16s and 167 /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         579       2149     460  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  7575         348        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         129       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,
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
  2697          54          3      32  ERX-ERNET-AS Education and Research Net

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         219        702     180  DNIC-AS-00668, US
  2152         210        507      92  CSUNET-NW, US
   376         200        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         282       1919     250  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         114        550     105  SWITCH Peering requests: peering at switch
  1103          96       1518      85  SURFNET-NL SURFnet, The Netherlands, NL
  2614          95         27      75  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         156        208      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340          97         24      55  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          44         16       1  Red de Interconexion Universitaria, AR
 61468          43          3      15  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         368        319      67  TENET-1, ZA
 36914         246         82       3  KENET-AS, KE
  2561          67          4      34  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          45         28       3  RENU, UG
  3208          32          2       1  ARN, DZ
 37182          31          8       1  TERNET, TZ
327700          29         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         579       2149     460  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  2018         368        319      67  TENET-1, ZA
  7575         348        330     125  AARNET-AS-AP Australian Academic and Re
   680         282       1919     250  DFN Verein zur Foerderung eines Deutsch
 36914         246         82       3  KENET-AS, KE
   668         219        702     180  DNIC-AS-00668, US
  2152         210        507      92  CSUNET-NW, US
   376         200        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         434          410  CSTNET-AS-AP Computer Network Information Cente
  2018         368          301  TENET-1, ZA
 36914         246          243  KENET-AS, KE
  7575         348          223  AARNET-AS-AP Australian Academic and Research N
  5786         199          198  UPRENET, PR
 58647         175          173  KAGAWAU-AS Kagawa University, JP
  8895         136          132  ISU Internet Services Unit ISU, SA
 18558         134          130  NETBLK-RCOEK, US
  2152         210          118  CSUNET-NW, US
  1916         156          113  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
     65000  PRIVATE      194.14.96.0/24            2837  SUNET-KI, SE
    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

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     /16:1924    /17:402     /18:435     
/19:522     /20:828     /21:862     /22:1348    /23:1503    /24:9724    
/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         233         246  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
200521          31          54  SEAP-AGE, ES
 25977          30          44  HCCS, US
 28614          30          36  Fundacao Universidade Regional de Blumenau, BR
 37182          30          31  TERNET, TZ
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        6:4         8:2        12:1        14:89     
  18:44       23:6        24:3        31:7        35:6        38:9      
  41:138      42:10       44:5        45:32       46:5        47:1      
  49:10       50:4        52:1        58:1        59:11       60:4      
  61:3        62:8        63:32       64:31       65:1        66:28     
  67:42       68:8        69:21       70:2        72:7        74:48     
  76:38       77:5        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        95:4      
  96:5        97:3        98:2       101:2       102:13      103:261    
 104:73      108:2       109:10      110:2       111:5       113:1      
 114:23      116:6       117:61      118:19      119:22      121:26     
 122:8       123:8       124:39      125:4       128:112     129:39     
 130:89      131:59      132:59      133:149     134:100     136:201    
 137:210     138:19      139:16      140:57      141:1       142:38     
 143:30      144:23      145:2       146:127     147:31      148:198    
 149:12      150:131     151:7       152:72      153:91      154:29     
 155:52      156:68      157:29      158:40      159:116     160:26     
 161:17      162:17      163:76      164:10      165:51      166:1      
 167:16      168:123     169:9       170:55      171:1       172:2      
 173:6       175:32      176:8       177:10      179:10      180:17     
 181:1       182:3       184:2       185:40      186:3       187:19     
 188:13      189:3       190:18      191:36      192:1290    193:344    
 194:138     195:86      196:162     197:150     198:441     199:261    
 200:220     201:37      202:462     203:318     204:334     205:124    
 206:179     207:177     208:67      209:130     210:183     211:14     
 212:169     213:5       214:8       216:57      217:10      218:22     
 219:6       220:17      222:5       223:4      

End of report


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