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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Jan 31 18:30:40 UTC 2024


IPv4 R&E Routing Table Report   18:30 GMT Wed 31 Jan, 2024

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

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

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

BGP routing table entries examined:                               17657
    Prefixes after maximum aggregation (per Origin AS):           10206
    Deaggregation factor:                                          1.73
    Unique aggregates announced (without unneeded subnets):       11313
    Number of IPv4 prefixes with a valid ROA:                      5204
    Number of IPv4 prefixes with an invalid ROA:                      0
    Number of IPv4 prefixes with no ROA:                          12453
Total ASes present in the Internet Routing Table:                  2694
    Prefixes per ASN:                                              6.55
Origin-only ASes present in the Internet Routing Table:            2323
Origin ASes announcing only one prefix:                            1052
Transit ASes present in the Internet Routing Table:                 371
Transit-only ASes present in the Internet Routing Table:             75
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                      16
    Max AS path prepend of ASN ( 47805)                              11
Prefixes from unregistered ASNs in the Routing Table:                15
    Number of instances of unregistered ASNs:                        15
Number of 32-bit ASNs allocated by the RIRs:                      43515
Number of 32-bit ASNs visible in the Routing Table:                 619
Prefixes from 32-bit ASNs in the Routing Table:                    1896
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:                    198411520
    Equivalent to 11 /8s, 211 /16s and 133 /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:        1713

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

Prefixes being announced by APNIC Region ASes:                     4572
    Total APNIC prefixes after maximum aggregation:                2229
    APNIC Deaggregation factor:                                    2.05
Prefixes being announced from the APNIC address blocks:            4571
    Unique aggregates announced from the APNIC address blocks:     2540
APNIC Region origin ASes present in the Internet Routing Table:     516
    APNIC Prefixes per ASN:                                        8.86
APNIC Region origin ASes announcing only one prefix:                227
APNIC Region transit ASes present in the Internet Routing Table:     54
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         12
Number of APNIC region 32-bit ASNs visible in the Routing Table:    186
Number of APNIC addresses announced to Internet:               45461760
    Equivalent to 2 /8s, 181 /16s and 177 /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:                      7426
    Total ARIN prefixes after maximum aggregation:                 4404
    ARIN Deaggregation factor:                                     1.69
Prefixes being announced from the ARIN address blocks:             7456
    Unique aggregates announced from the ARIN address blocks:      4916
ARIN Region origin ASes present in the Internet Routing Table:     1209
    ARIN Prefixes per ASN:                                         6.17
ARIN Region origin ASes announcing only one prefix:                 431
ARIN Region transit ASes present in the Internet Routing Table:     155
Average ARIN Region AS path length visible:                         4.3
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     191
Number of ARIN addresses announced to Internet:                88901632
    Equivalent to 5 /8s, 76 /16s and 136 /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:                      3551
    Total RIPE prefixes after maximum aggregation:                 2856
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3538
    Unique aggregates announced from the RIPE address blocks:      2892
RIPE Region origin ASes present in the Internet Routing Table:      682
    RIPE Prefixes per ASN:                                         5.19
RIPE Region origin ASes announcing only one prefix:                 309
RIPE Region transit ASes present in the Internet Routing Table:     104
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     148
Number of RIPE addresses announced to Internet:                57568256
    Equivalent to 3 /8s, 110 /16s and 108 /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,
                        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:                    1277
    Total LACNIC prefixes after maximum aggregation:                526
    LACNIC Deaggregation factor:                                   2.43
Prefixes being announced from the LACNIC address blocks:           1274
    Unique aggregates announced from the LACNIC address blocks:     735
LACNIC Region origin ASes present in the Internet Routing Table:    156
    LACNIC Prefixes per ASN:                                       8.17
LACNIC Region origin ASes announcing only one prefix:                55
LACNIC Region transit ASes present in the Internet Routing Table:    25
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:               3785728
    Equivalent to 0 /8s, 57 /16s and 196 /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:                    816
    Total AfriNIC prefixes after maximum aggregation:               179
    AfriNIC Deaggregation factor:                                  4.56
Prefixes being announced from the AfriNIC address blocks:           816
    Unique aggregates announced from the AfriNIC address blocks:    228
AfriNIC Region origin ASes present in the Internet Routing Table:    53
    AfriNIC Prefixes per ASN:                                     15.40
AfriNIC Region origin ASes announcing only one prefix:               30
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      2.4
    Max AfriNIC Region AS path length visible:                       16
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   30
Number of AfriNIC addresses announced to Internet:              2691840
    Equivalent to 0 /8s, 41 /16s and 19 /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         590       2162     464  SINET-AS Research Organization of Infor
  7497         439        180      23  CSTNET-AS-AP Computer Network Informati
  1237         194         74     142  KREONET-AS-KR KISTI, KR
  4538         181       4193      75  ERX-CERNET-BKB China Education and Rese
 58647         180         18       2  KAGAWAU-AS Kagawa University, JP
  7575         176        329     119  AARNET-AS-AP Australian Academic and Re
 55824         128         19      18  NKN-CORE-NW NKN Core Network, IN
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, T
  4621          70         37      10  UNINET-AS-AP UNINET-, TH
  9411          66         16       2  NONTRINET-AS-AP Kasetsart University, T

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   376         200        162     150  RISQ-AS, CA
  2152         145        507      94  CSUNET-NW, US
 18558         141         18       4  NETBLK-RCOEK, US
    81         126        521      30  NCREN, US
   270         118        329      82  AS270, US
 23024         109          7      22  OCDE, US
  2920         103         34       7  LACOE, US
 21976          81         51      19  NJEDGE-NET, US
  1736          79         16       1  MU-AS, US
   237          72        527      44  MERIT-AS-14, US

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/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 Deutsch
   786         184       1767     181  JANET Jisc Services Limited, GB
  8895         133         24       5  ISU Internet Services Unit ISU, SA
   559         114        533     104  SWITCH Peering requests: peering at switch
  1103          95       1503      83  SURFNET-NL SURFnet, The Netherlands, NL
  2614          93         27      73  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
  1930          79         88      74  RCCN Fundacao para a Ciencia e a Tecnol
  3267          79         44      68  RUNNET, RU
   553          78        462      78  BELWUE BelWue-Koordination, DE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 28391         154         10      67  Universidad Juarez Autonoma de Tabasco,
  1916         148        175      41  Rede Nacional de Ensino e Pesquisa, BR
 11340         106         24      50  Red Universitaria Nacional, CL
271640          68          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          50         17       3  Red de Interconexion Universitaria, AR
  2715          44         99      34  Fundacao Carlos Chagas Filho de Amparo 
 61468          43          3      14  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
  3596          34          4       3  Universidad Autonoma Metropolitana, MX
263683          33         10      21  Universidad de Costa Rica, CR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         380        319      70  TENET-1, ZA
327687         161         28       3  RENU, UG
  8094          47         48      18  PUKNET, ZA
327700          42         16       1  MoRENet, MZ
 36914          27         82       3  KENET-AS, KE
  6879          24          2       9  ENSTINET-, EG
 37074          14          8       2  UG-AS, GH
 37215          11          8       1  MAREN, MW
 37501          11         49       6  UOFS, ZA
 37654          11          1       6  RwEdNet-AS, RW

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         590       2162     464  SINET-AS Research Organization of Infor
  7497         439        180      23  CSTNET-AS-AP Computer Network Informati
  2018         380        319      70  TENET-1, ZA
   680         283       1899     249  DFN Verein zur Foerderung eines Deutsch
   376         200        162     150  RISQ-AS, CA
  1237         194         74     142  KREONET-AS-KR KISTI, KR
   786         184       1767     181  JANET Jisc Services Limited, GB
  4538         181       4193      75  ERX-CERNET-BKB China Education and Rese
 58647         180         18       2  KAGAWAU-AS Kagawa University, JP
  7575         176        329     119  AARNET-AS-AP Australian Academic and Re

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

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

   ASN  No of nets  Net Savings  Description
  7497         439          416  CSTNET-AS-AP Computer Network Information Cente
  2018         380          310  TENET-1, ZA
 58647         180          178  KAGAWAU-AS Kagawa University, JP
327687         161          158  RENU, UG
 18558         141          137  NETBLK-RCOEK, US
  8895         133          128  ISU Internet Services Unit ISU, SA
 55824         128          110  NKN-CORE-NW NKN Core Network, IN
  1916         148          107  Rede Nacional de Ensino e Pesquisa, BR
  4538         181          106  ERX-CERNET-BKB China Education and Research Net
    81         126           96  NCREN, US

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     26303  UNALLOCATED  76.165.220.0/24          32440  LONI, US
     26303  UNALLOCATED  76.165.221.0/24          32440  LONI, US
     26303  UNALLOCATED  76.165.222.0/24          32440  LONI, US
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     11570  UNALLOCATED  192.94.216.0/24          40498  ABQG, US
     11570  UNALLOCATED  192.207.226.0/24         40498  ABQG, US
     11570  UNALLOCATED  198.59.106.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.107.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.108.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.188.0/24          40498  ABQG, US

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

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

Unassigned Network     ASN Information  AS Name
192.31.196.0/24      Origin:       112  RESERVED, ZZ
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
220.156.176.0/21     Origin:     23767  A-STAR-AS-AP A-STAR, SG
220.156.176.0/21    Transit:     23855  SINGAREN-GIX-AS-AP Singapore Advanced Re

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/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       /12:10      
/13:19      /14:35      /15:120     /16:1957    /17:417     /18:442     
/19:557     /20:819     /21:836     /22:1443    /23:1464    /24:9535    
/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
  8895         128         133  ISU Internet Services Unit ISU, SA
 23024          52         109  OCDE, US
 32440          38          62  LONI, US
327700          38          42  MoRENet, MZ
  3267          36          79  RUNNET, RU
 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
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US

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

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

   1:2         5:15        8:2        12:1        14:89       23:5      
  24:3        31:1        35:6        38:8        40:1        41:61     
  42:16       44:7        45:43       46:5        47:1        49:9      
  50:1        52:1        58:10       59:20       60:6        61:3      
  62:10       63:32       64:49       65:1        66:45       67:40     
  68:10       69:17       70:2        71:1        72:7        74:51     
  76:41       77:10       78:3        79:10       80:12       81:24     
  82:7        83:7        84:8        85:31       86:4        87:1      
  89:10       91:50       92:2        93:4        94:2        95:2      
  96:5        97:1        98:2       101:5       102:38      103:228    
 104:76      108:8       109:7       111:15      114:24      116:8      
 117:61      118:33      119:19      121:28      122:8       123:8      
 124:40      125:5       128:84      129:41      130:83      131:61     
 132:52      133:155     134:106     136:10      137:135     138:57     
 139:4       140:36      141:3       142:38      143:23      144:23     
 145:2       146:133     147:54      148:193     149:12      150:43     
 151:12      152:132     153:14      154:30      155:63      156:67     
 157:18      158:35      159:115     160:30      161:15      162:20     
 163:74      164:13      165:47      166:1       167:13      168:119    
 169:7       170:89      171:1       172:3       173:7       175:18     
 176:8       177:5       179:12      180:15      181:1       182:1      
 184:2       185:54      186:3       187:17      188:14      189:3      
 190:17      191:3       192:1416    193:269     194:143     195:77     
 196:201     197:5       198:451     199:243     200:261     201:37     
 202:624     203:424     204:350     205:125     206:184     207:142    
 208:72      209:110     210:193     211:16      212:161     213:5      
 216:82      217:10      218:22      219:5       220:16      222:3      
 223:14     

End of report


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