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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Nov 25 17:10:42 UTC 2024


IPv4 R&E Routing Table Report   17:10 GMT Mon 25 Nov, 2024

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

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

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

BGP routing table entries examined:                               18791
    Prefixes after maximum aggregation (per Origin AS):           10407
    Deaggregation factor:                                          1.81
    Unique aggregates announced (without unneeded subnets):       11498
    Number of IPv4 prefixes with a valid ROA:                      7239
    Number of IPv4 prefixes with an invalid ROA:                      3
    Number of IPv4 prefixes with no ROA:                          11549
Total ASes present in the Internet Routing Table:                  2697
    Prefixes per ASN:                                              6.97
Origin-only ASes present in the Internet Routing Table:            2333
Origin ASes announcing only one prefix:                            1047
Transit ASes present in the Internet Routing Table:                 364
Transit-only ASes present in the Internet Routing Table:             63
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:                      45893
Number of 32-bit ASNs visible in the Routing Table:                 650
Prefixes from 32-bit ASNs in the Routing Table:                    1717
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:                    201491024
    Equivalent to 12 /8s, 2 /16s and 130 /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:        2263

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

Prefixes being announced by APNIC Region ASes:                     4679
    Total APNIC prefixes after maximum aggregation:                2277
    APNIC Deaggregation factor:                                    2.05
Prefixes being announced from the APNIC address blocks:            4677
    Unique aggregates announced from the APNIC address blocks:     2620
APNIC Region origin ASes present in the Internet Routing Table:     562
    APNIC Prefixes per ASN:                                        8.32
APNIC Region origin ASes announcing only one prefix:                240
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:    209
Number of APNIC addresses announced to Internet:               45549632
    Equivalent to 2 /8s, 183 /16s and 8 /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:                      8183
    Total ARIN prefixes after maximum aggregation:                 4748
    ARIN Deaggregation factor:                                     1.72
Prefixes being announced from the ARIN address blocks:             8198
    Unique aggregates announced from the ARIN address blocks:      5241
ARIN Region origin ASes present in the Internet Routing Table:     1256
    ARIN Prefixes per ASN:                                         6.53
ARIN Region origin ASes announcing only one prefix:                 437
ARIN Region transit ASes present in the Internet Routing Table:     152
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:     205
Number of ARIN addresses announced to Internet:                90945280
    Equivalent to 5 /8s, 107 /16s and 183 /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:                      3318
    Total RIPE prefixes after maximum aggregation:                 2662
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3306
    Unique aggregates announced from the RIPE address blocks:      2686
RIPE Region origin ASes present in the Internet Routing Table:      606
    RIPE Prefixes per ASN:                                         5.46
RIPE Region origin ASes announcing only one prefix:                 281
RIPE Region transit ASes present in the Internet Routing Table:     101
Average RIPE Region AS path length visible:                         3.8
    Max RIPE Region AS path length visible:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:     143
Number of RIPE addresses announced to Internet:                58267344
    Equivalent to 3 /8s, 121 /16s and 22 /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:                    1448
    Total LACNIC prefixes after maximum aggregation:                543
    LACNIC Deaggregation factor:                                   2.67
Prefixes being announced from the LACNIC address blocks:           1445
    Unique aggregates announced from the LACNIC address blocks:     719
LACNIC Region origin ASes present in the Internet Routing Table:    155
    LACNIC Prefixes per ASN:                                       9.32
LACNIC Region origin ASes announcing only one prefix:                56
LACNIC Region transit ASes present in the Internet Routing Table:    23
Average LACNIC Region AS path length visible:                       5.6
    Max LACNIC Region AS path length visible:                        14
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    63
Number of LACNIC addresses announced to Internet:               4164160
    Equivalent to 0 /8s, 63 /16s and 138 /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:                   1162
    Total AfriNIC prefixes after maximum aggregation:               176
    AfriNIC Deaggregation factor:                                  6.60
Prefixes being announced from the AfriNIC address blocks:          1161
    Unique aggregates announced from the AfriNIC address blocks:    228
AfriNIC Region origin ASes present in the Internet Routing Table:    54
    AfriNIC Prefixes per ASN:                                     21.50
AfriNIC Region origin ASes announcing only one prefix:               33
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      3.9
    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:              2561792
    Equivalent to 0 /8s, 39 /16s and 23 /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         600       2170     465  SINET-AS Research Organization of Informa
  7497         446        180      24  CSTNET-AS-AP Computer Network Information
  1237         194         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         140       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          59          4      34  ERX-ERNET-AS Education and Research Netwo

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   668         205        648     174  DNIC-AS-00668, US
   376         201        162     150  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  2920         175         34       7  LACOE, US
  2152         150        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/URAN/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         186       1767     183  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/URAN/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         294        178      44  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
 61468          51          5      18  CEDIA, EC
  2715          49         99      35  Fundacao Carlos Chagas Filho de Amparo a 
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, BR
  4270          47         16       2  Red de Interconexion Universitaria, AR
  3596          40          8       4  Universidad Autonoma Metropolitana, MX
 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/URAN/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         542         82       3  KENET-AS, KE
  2018         380        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          15         16       1  MoRENet, MZ
 30983          12          4       2  MARWAN-AS, MA
 37661          12          8       4  NRaE1-AS, NG
 37501          11         49       6  UOFS, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         600       2170     465  SINET-AS Research Organization of Informa
 36914         542         82       3  KENET-AS, KE
  7497         446        180      24  CSTNET-AS-AP Computer Network Information
  2018         380        319      71  TENET-1, ZA
  1916         294        178      44  Rede Nacional de Ensino e Pesquisa, BR
   680         283       1899     249  DFN Verein zur Foerderung eines Deutschen
   668         205        648     174  DNIC-AS-00668, US
   376         201        162     150  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  1237         194         74     145  KREONET-AS-KR KISTI, KR

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

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

   ASN  No of nets  Net Savings  Description
 36914         542          539  KENET-AS, KE
  7497         446          422  CSTNET-AS-AP Computer Network Information Cente
  2018         380          309  TENET-1, ZA
  1916         294          250  Rede Nacional de Ensino e Pesquisa, BR
  5786         198          197  UPRENET, PR
 58647         181          179  KAGAWAU-AS Kagawa University, JP
  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/URAN/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/URAN/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/URAN/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     /16:1993    /17:423     /18:456     
/19:573     /20:839     /21:878     /22:1389    /23:1469    /24:10379   
/25:60      /26:72      /27:36      /28:13      /29:13      /30:10      
/31:0       /32:3       

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 36914         518         542  KENET-AS, KE
  8895         127         132  ISU Internet Services Unit ISU, SA
  1916          76         294  Rede Nacional de Ensino e Pesquisa, BR
 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          31          54  SEAP-AGE, ES
 25977          30          44  HCCS, US
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US

Complete listing at https://bgp.nsrc.org/REN/URAN/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     
  40:1        41:223      42:11       44:4        45:40       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       80:8      
  81:24       82:4        83:6        84:7        85:25       86:3      
  87:1        89:11       91:42       93:13       94:2        95:2      
  96:5        97:1        98:2       101:1       102:12      103:294    
 104:78      108:8       109:4       111:21      113:2       114:24     
 116:9       117:61      118:33      119:23      121:27      122:8      
 123:8       124:42      125:5       128:56      129:36      130:95     
 131:64      132:65      133:154     134:109     136:198     137:51     
 138:58      139:5       140:33      141:3       142:53      143:26     
 144:26      145:2       146:137     147:61      148:195     149:12     
 150:40      151:9       152:139     153:14      154:39      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       170:87      172:2       173:7       175:16     
 177:6       179:13      180:16      181:1       182:11      184:6      
 185:46      186:3       187:21      188:11      189:2       190:18     
 191:13      192:1408    193:259     194:111     195:69      196:147    
 197:332     198:460     199:277     200:259     201:37      202:632    
 203:439     204:375     205:135     206:211     207:225     208:65     
 209:107     210:218     211:3       212:164     213:4       214:8      
 216:89      217:9       218:21      219:6       220:17      222:2      
 223:15     

End of report


More information about the ren-bgp-stats-all mailing list