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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Nov 28 17:15:42 UTC 2024


IPv4 R&E Routing Table Report   17:15 GMT Thu 28 Nov, 2024

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

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/Janet/

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

BGP routing table entries examined:                               18502
    Prefixes after maximum aggregation (per Origin AS):           10290
    Deaggregation factor:                                          1.80
    Unique aggregates announced (without unneeded subnets):       11387
    Number of IPv4 prefixes with a valid ROA:                      7150
    Number of IPv4 prefixes with an invalid ROA:                      3
    Number of IPv4 prefixes with no ROA:                          11349
Total ASes present in the Internet Routing Table:                  2667
    Prefixes per ASN:                                              6.94
Origin-only ASes present in the Internet Routing Table:            2305
Origin ASes announcing only one prefix:                            1033
Transit ASes present in the Internet Routing Table:                 362
Transit-only ASes present in the Internet Routing Table:             62
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.8
    Max AS path length visible:                                      30
    Max AS path prepend of ASN (138136)                              20
Prefixes from unregistered ASNs in the Routing Table:                 1
    Number of instances of unregistered ASNs:                         1
Number of 32-bit ASNs allocated by the RIRs:                      45925
Number of 32-bit ASNs visible in the Routing Table:                 642
Prefixes from 32-bit ASNs in the Routing Table:                    1779
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:              4
Number of addresses announced to Internet:                    201209856
    Equivalent to 11 /8s, 254 /16s and 56 /24s
    Percentage of available address space announced:                5.4
    Percentage of allocated address space announced:                5.4
    Percentage of available address space allocated:              100.1
    Percentage of address space in use by end-sites:               99.6
Total number of prefixes smaller than registry allocations:        2050

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

Prefixes being announced by APNIC Region ASes:                     4584
    Total APNIC prefixes after maximum aggregation:                2238
    APNIC Deaggregation factor:                                    2.05
Prefixes being announced from the APNIC address blocks:            4582
    Unique aggregates announced from the APNIC address blocks:     2585
APNIC Region origin ASes present in the Internet Routing Table:     557
    APNIC Prefixes per ASN:                                        8.23
APNIC Region origin ASes announcing only one prefix:                239
APNIC Region transit ASes present in the Internet Routing Table:     58
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         30
Number of APNIC region 32-bit ASNs visible in the Routing Table:    208
Number of APNIC addresses announced to Internet:               45534720
    Equivalent to 2 /8s, 182 /16s and 206 /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:                      8136
    Total ARIN prefixes after maximum aggregation:                 4727
    ARIN Deaggregation factor:                                     1.72
Prefixes being announced from the ARIN address blocks:             8150
    Unique aggregates announced from the ARIN address blocks:      5224
ARIN Region origin ASes present in the Internet Routing Table:     1256
    ARIN Prefixes per ASN:                                         6.49
ARIN Region origin ASes announcing only one prefix:                 441
ARIN Region transit ASes present in the Internet Routing Table:     151
Average ARIN Region AS path length visible:                         5.2
    Max ARIN Region AS path length visible:                          16
Number of ARIN region 32-bit ASNs visible in the Routing Table:     206
Number of ARIN addresses announced to Internet:                90944256
    Equivalent to 5 /8s, 107 /16s and 179 /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, 393216-402332
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,  45/8,  47/8,  48/8,  50/8,  52/8,
                        54/8,  55/8,  56/8,  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:                      3261
    Total RIPE prefixes after maximum aggregation:                 2612
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3249
    Unique aggregates announced from the RIPE address blocks:      2632
RIPE Region origin ASes present in the Internet Routing Table:      583
    RIPE Prefixes per ASN:                                         5.57
RIPE Region origin ASes announcing only one prefix:                 266
RIPE Region transit ASes present in the Internet Routing Table:     100
Average RIPE Region AS path length visible:                         3.7
    Max RIPE Region AS path length visible:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:     134
Number of RIPE addresses announced to Internet:                58035712
    Equivalent to 3 /8s, 117 /16s and 142 /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
                       196608-216475
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        53/8,  57/8,  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:                    1439
    Total LACNIC prefixes after maximum aggregation:                538
    LACNIC Deaggregation factor:                                   2.67
Prefixes being announced from the LACNIC address blocks:           1437
    Unique aggregates announced from the LACNIC address blocks:     723
LACNIC Region origin ASes present in the Internet Routing Table:    155
    LACNIC Prefixes per ASN:                                       9.27
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:                       5.7
    Max LACNIC Region AS path length visible:                        14
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    64
Number of LACNIC addresses announced to Internet:               4197120
    Equivalent to 0 /8s, 64 /16s and 11 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + 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:                   1081
    Total AfriNIC prefixes after maximum aggregation:               174
    AfriNIC Deaggregation factor:                                  6.21
Prefixes being announced from the AfriNIC address blocks:          1080
    Unique aggregates announced from the AfriNIC address blocks:    219
AfriNIC Region origin ASes present in the Internet Routing Table:    53
    AfriNIC Prefixes per ASN:                                     20.38
AfriNIC Region origin ASes announcing only one prefix:               32
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   30
Number of AfriNIC addresses announced to Internet:              2495232
    Equivalent to 0 /8s, 38 /16s and 19 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8, 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         593       2202     463  SINET-AS Research Organization of Informa
  7497         447        180      24  CSTNET-AS-AP Computer Network Information
  1237         191         74     145  KREONET-AS-KR KISTI, KR
 58647         181         18       2  KAGAWAU-AS Kagawa University, JP
  7575         171        313     114  AARNET-AS-AP Australian Academic and Rese
  4538         139       4192      71  ERX-CERNET-BKB China Education and Resear
 55824         132         18      18  NKN-CORE-NW NKN Core Network, IN
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, Tha
  4621          66         37      10  UNINET-AS-AP UNINET-, TH
  2697          60          4      35  ERX-ERNET-AS Education and Research Netwo

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   376         201        162     150  RISQ-AS, CA
   668         199        631     168  DNIC-AS-00668, US
  5786         198         16       1  UPRENET, PR
  2920         175         34       7  LACOE, US
  2152         152        507      97  CENIC-2152, US
 18558         140         18       4  NETBLK-RCOEK, US
    81         134        517      33  NCREN, US
 23024          95          7      21  OCDE, US
 21976          91         50      17  NJEDGE-NET, US
   237          82        541      48  MERIT-AS-14, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         283       1899     249  DFN Verein zur Foerderung eines Deutschen
   786         185       1764     180  JANET Jisc Services Limited, GB
  8895         132         24       5  ISU Internet Services Unit ISU, SA
   559         114        533     104  SWITCH Peering requests: peering at switch.c
  1103          96       1743      83  SURFNET-NL SURFnet, The Netherlands, NL
  2614          93         26      73  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
  1930          79         88      74  RCCN Fundacao para a Ciencia e a Tecnolog
   553          78        462      78  BELWUE BelWue-Koordination, DE
  2200          63        598      58  FR-RENATER Reseau National de telecommuni

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         218        178      42  Rede Nacional de Ensino e Pesquisa, BR
 28391         154         10      68  Universidad Juarez Autonoma de Tabasco, M
 11340         110         25      53  Red Universitaria Nacional, CL
271640          67          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
 61468          51          5      17  CEDIA, EC
  2715          49         99      35  Fundacao Carlos Chagas Filho de Amparo a 
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, BR
  4270          46         16       1  Red de Interconexion Universitaria, AR
 28614          38          2       2  Fundacao Universidade Regional de Blumena
  1251          37         31      26  FUNDACAO DE AMPARO A PESQUISA DO ESTADO S

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         469         82       3  KENET-AS, KE
  2018         381        319      71  TENET-1, ZA
  8094          47         48      18  PUKNET, ZA
 37215          32          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37074          15          8       2  UG-AS, GH
327700          14         16       1  MoRENet, MZ
 37661          12          8       4  NRaE1-AS, NG
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         593       2202     463  SINET-AS Research Organization of Informa
 36914         469         82       3  KENET-AS, KE
  7497         447        180      24  CSTNET-AS-AP Computer Network Information
  2018         381        319      71  TENET-1, ZA
   680         283       1899     249  DFN Verein zur Foerderung eines Deutschen
  1916         218        178      42  Rede Nacional de Ensino e Pesquisa, BR
   376         201        162     150  RISQ-AS, CA
   668         199        631     168  DNIC-AS-00668, US
  5786         198         16       1  UPRENET, PR
  1237         191         74     145  KREONET-AS-KR KISTI, KR

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

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

   ASN  No of nets  Net Savings  Description
 36914         469          466  KENET-AS, KE
  7497         447          423  CSTNET-AS-AP Computer Network Information Cente
  2018         381          310  TENET-1, ZA
  5786         198          197  UPRENET, PR
 58647         181          179  KAGAWAU-AS Kagawa University, JP
  1916         218          176  Rede Nacional de Ensino e Pesquisa, BR
  2920         175          168  LACOE, US
 18558         140          136  NETBLK-RCOEK, US
  8895         132          127  ISU Internet Services Unit ISU, SA
 55824         132          114  NKN-CORE-NW NKN Core Network, IN

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     26971  UNALLOCATED  129.111.0.0/16             276  OTS-AS-276, US

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

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

Unassigned Network     ASN Information  AS Name
164.160.192.0/21     Origin:     37661  NRaE1-AS, NG
164.160.192.0/21    Transit:     37288  WACREN, SN
202.14.117.0/24      Origin:     17827  STOU-AS-TH Sukhothai Thammathirat Open U
202.14.117.0/24     Transit:      4621  UNINET-AS-AP UNINET-, TH
202.46.245.0/24      Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.245.0/24     Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
203.9.156.0/24       Origin:      1851  ADELAIDE-UNIVERSITY-AS-AP The University
203.9.156.0/24      Transit:      7575  AARNET-AS-AP Australian Academic and Res

Complete listing at https://bgp.nsrc.org/REN/Janet/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       /10:1       /11:1       /12:11      
/13:18      /14:35      /15:118     /16:1990    /17:425     /18:454     
/19:568     /20:834     /21:857     /22:1373    /23:1458    /24:10358   
/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         456         469  KENET-AS, KE
  8895         127         132  ISU Internet Services Unit ISU, SA
 23024          37          95  OCDE, US
 32440          37          63  LONI, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
200521          32          55  SEAP-AGE, ES
 25977          30          44  HCCS, US
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US
 40326          29          33  ECKERD-COLLEGE, US

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

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

   1:2         5:15        6:4         8:2        12:2        14:93     
  23:6        24:3        31:1        35:3        37:8        38:11     
  41:160      42:8        44:4        45:44       46:4        47:1      
  49:10       50:2        52:1        59:19       60:5        61:3      
  62:6        63:32       64:44       65:5        66:42       67:40     
  68:12       69:19       70:2        71:1        72:7        74:53     
  76:41       77:7        78:3        79:10       80:4        81:25     
  82:4        83:6        84:7        85:25       86:3        87:1      
  89:11       91:40       93:13       94:2        95:2        96:5      
  97:1        98:2       101:1       102:12      103:288     104:78     
 108:8       109:5       111:21      113:1       114:24      116:9      
 117:61      118:33      119:24      121:27      122:8       123:8      
 124:42      125:3       128:56      129:36      130:95      131:64     
 132:65      133:154     134:108     136:198     137:51      138:59     
 139:5       140:36      141:3       142:53      143:26      144:27     
 145:2       146:137     147:61      148:195     149:12      150:40     
 151:8       152:139     153:14      154:40      155:63      156:138    
 157:27      158:30      159:118     160:31      161:16      162:22     
 163:62      164:11      165:47      166:1       167:10      168:119    
 169:7       170:88      172:2       173:7       175:16      177:6      
 179:13      180:16      181:1       182:11      184:6       185:47     
 186:3       187:21      188:11      189:2       190:18      191:13     
 192:1409    193:255     194:109     195:68      196:148     197:338    
 198:460     199:276     200:330     201:37      202:631     203:438    
 204:373     205:135     206:211     207:223     208:65      209:107    
 210:218     211:3       212:165     213:4       214:8       216:90     
 217:9       218:2       219:6       220:17      222:2       223:15     


End of report


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