[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view

REN Routing Table Report cscora at bgp.nsrc.org
Wed May 22 20:16:30 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Wed 22 May, 2024

  IPv4 BGP Table (R&E) as seen at KREONet2.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/KREONet2/

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

BGP routing table entries examined:                              192634
    Prefixes after maximum aggregation (per Origin AS):           85297
    Deaggregation factor:                                          2.26
    Unique aggregates announced (without unneeded subnets):      106528
    Number of IPv4 prefixes with a valid ROA:                     76132
    Number of IPv4 prefixes with an invalid ROA:                     19
    Number of IPv4 prefixes with no ROA:                         116483
Total ASes present in the Internet Routing Table:                 16151
    Prefixes per ASN:                                             11.93
Origin-only ASes present in the Internet Routing Table:           13949
Origin ASes announcing only one prefix:                            6427
Transit ASes present in the Internet Routing Table:                2202
Transit-only ASes present in the Internet Routing Table:            588
Paths with bogon ASNs present in the IPv4 Routing Table:              4
Average AS path length visible in the Internet Routing Table:       5.9
    Max AS path length visible:                                      28
    Max AS path prepend of ASN (265990)                              21
Prefixes from unregistered ASNs in the Routing Table:               247
    Number of instances of unregistered ASNs:                       247
Number of 32-bit ASNs allocated by the RIRs:                      44505
Number of 32-bit ASNs visible in the Routing Table:                5807
Prefixes from 32-bit ASNs in the Routing Table:                   20027
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            106
Number of addresses announced to Internet:                   1122038429
    Equivalent to 66 /8s, 224 /16s and 242 /24s
    Percentage of available address space announced:               30.3
    Percentage of allocated address space announced:               30.3
    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:       56349

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

Prefixes being announced by APNIC Region ASes:                    31724
    Total APNIC prefixes after maximum aggregation:                7844
    APNIC Deaggregation factor:                                    4.04
Prefixes being announced from the APNIC address blocks:           31083
    Unique aggregates announced from the APNIC address blocks:     9212
APNIC Region origin ASes present in the Internet Routing Table:    1300
    APNIC Prefixes per ASN:                                       23.91
APNIC Region origin ASes announcing only one prefix:                540
APNIC Region transit ASes present in the Internet Routing Table:    233
Average APNIC Region AS path length visible:                        7.2
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    598
Number of APNIC addresses announced to Internet:              202715756
    Equivalent to 12 /8s, 21 /16s and 50 /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:                     88848
    Total ARIN prefixes after maximum aggregation:                48395
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:            87527
    Unique aggregates announced from the ARIN address blocks:     54441
ARIN Region origin ASes present in the Internet Routing Table:     7479
    ARIN Prefixes per ASN:                                        11.70
ARIN Region origin ASes announcing only one prefix:                3243
ARIN Region transit ASes present in the Internet Routing Table:     680
Average ARIN Region AS path length visible:                         5.4
    Max ARIN Region AS path length visible:                          26
Number of ARIN region 32-bit ASNs visible in the Routing Table:    1549
Number of ARIN addresses announced to Internet:               655974753
    Equivalent to 39 /8s, 25 /16s and 97 /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,  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:                     37091
    Total RIPE prefixes after maximum aggregation:                17541
    RIPE Deaggregation factor:                                     2.11
Prefixes being announced from the RIPE address blocks:            37840
    Unique aggregates announced from the RIPE address blocks:     25075
RIPE Region origin ASes present in the Internet Routing Table:     3512
    RIPE Prefixes per ASN:                                        10.77
RIPE Region origin ASes announcing only one prefix:                1490
RIPE Region transit ASes present in the Internet Routing Table:     529
Average RIPE Region AS path length visible:                         5.7
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1298
Number of RIPE addresses announced to Internet:               162597328
    Equivalent to 9 /8s, 177 /16s and 9 /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:                   30079
    Total LACNIC prefixes after maximum aggregation:               9448
    LACNIC Deaggregation factor:                                   3.18
Prefixes being announced from the LACNIC address blocks:          29770
    Unique aggregates announced from the LACNIC address blocks:   14532
LACNIC Region origin ASes present in the Internet Routing Table:   2946
    LACNIC Prefixes per ASN:                                      10.11
LACNIC Region origin ASes announcing only one prefix:              1058
LACNIC Region transit ASes present in the Internet Routing Table:   587
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2240
Number of LACNIC addresses announced to Internet:              72480000
    Equivalent to 4 /8s, 81 /16s and 245 /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:                   4645
    Total AfriNIC prefixes after maximum aggregation:              1892
    AfriNIC Deaggregation factor:                                  2.46
Prefixes being announced from the AfriNIC address blocks:          6308
    Unique aggregates announced from the AfriNIC address blocks:   3170
AfriNIC Region origin ASes present in the Internet Routing Table:   228
    AfriNIC Prefixes per ASN:                                     27.67
AfriNIC Region origin ASes announcing only one prefix:               96
AfriNIC Region transit ASes present in the Internet Routing Table:   71
Average AfriNIC Region AS path length visible:                      6.2
    Max AfriNIC Region AS path length visible:                       27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  122
Number of AfriNIC addresses announced to Internet:             28181248
    Equivalent to 1 /8s, 174 /16s and 3 /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
  9808        9652       8742      61  CHINAMOBILE-CN China Mobile Communicati
 56047        1505        192      47  CMNET-HUNAN-AP China Mobile communicati
 56046        1481        874     109  CMNET-JIANGSU-AP China Mobile communica
 56041        1448        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         790        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         762        501      72  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 17676         722      10640     154  GIGAINFRA SoftBank Corp., JP
  2907         601       2162     465  SINET-AS Research Organization of Infor
 56040         491        490     109  CMNET-GUANGDONG-AP China Mobile communi
 24445         478        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9912      11371    3547  AMAZON-02, US
   749        3224      54904    2476  DNIC-AS-00749, US
   367        2780       3431    1297  DNIC-ASBLK-00306-00371, US
 11776        1862        256     225  ATLANTICBB-JOHNSTOWN, US
  4155        1820        121    1255  USDA-1, US
   209        1689       4898     311  CENTURYLINK-US-LEGACY-QWEST, US
 11492        1616        107     901  CABLEONE, US
  5972        1442        404     495  DNIC-ASBLK-05800-06055, US
  7979         989         64     200  SERVERS-COM, US
   855         959        255      82  CANET-ASN-4, CA

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        1299        107    1048  AKAMAI-ASN1, NL
  3215         926       4906     284  France Telecom - Orange, FR
 25019         819       1044     145  SAUDINETSTC-AS, SA
  8376         712         60      21  Jordan Data Communications, JO
  8452         626       1841      11  TE-AS TE-AS, EG
 51167         511         99     216  CONTABO, DE
 35819         475        503      78  MOBILY-AS Etihad Etisalat Company Mobil
 20978         420        196      13  TT_MOBIL Istanbul, TR
 57878         381         31     187  PRAGER-IT, AT

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151        5345       1497     753  UNINET, MX
  3816        1321        789     195  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1084        369      22  Telefonica del Peru S.A.A., PE
 11830        1041        324       5  Instituto Costarricense de Electricidad
 18881         747       1126      30  TELEFONICA BRASIL S.A, BR
 26599         540       2819      83  TELEFONICA BRASIL S.A, BR
 13999         491         66     213  Mega Cable, S.A. de C.V., MX
 10620         415         53     344  Telmex Colombia S.A., CO
 22724         230         15      98  PUNTONET S.A., EC
 27843         229         20      33  WIN EMPRESAS S.A.C., PE

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24863         585        204     235  LINKdotNET-AS, EG
  2018         380        319      71  TENET-1, ZA
 29571         328         47     116  ORANGE-COTE-IVOIRE, CI
 36935         258         64      79  Vodafone-, EG
 36914         257         82       3  KENET-AS, KE
 36992         179        241     154  ETISALAT-MISR, EG
 24835         151        206      77  RAYA-AS, EG
 37492         151        471      44  ORANGE-, TN
 37693         146        595      51  TUNISIANA, TN
 24757         138         36      51  EthioNet-AS, ET

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9912      11371    3547  AMAZON-02, US
  9808        9652       8742      61  CHINAMOBILE-CN China Mobile Communicati
  8151        5345       1497     753  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3224      54904    2476  DNIC-AS-00749, US
   367        2780       3431    1297  DNIC-ASBLK-00306-00371, US
 11776        1862        256     225  ATLANTICBB-JOHNSTOWN, US
  4155        1820        121    1255  USDA-1, US
   209        1689       4898     311  CENTURYLINK-US-LEGACY-QWEST, US
 11492        1616        107     901  CABLEONE, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet

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

   ASN  No of nets  Net Savings  Description
  9808        9652         9591  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4758         4698  ALJAWWALSTC-AS, SA
  8151        5345         4592  UNINET, MX
 11776        1862         1637  ATLANTICBB-JOHNSTOWN, US
   367        2780         1483  DNIC-ASBLK-00306-00371, US
 56047        1505         1458  CMNET-HUNAN-AP China Mobile communications corp
   209        1689         1378  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1448         1375  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1481         1372  CMNET-JIANGSU-AP China Mobile communications co
  3816        1321         1126  COLOMBIA TELECOMUNICACIONES S.A. ESP, CO

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.42.219.0/24             3356  LEVEL3, US
     22538  UNALLOCATED  12.131.3.0/24             7018  ATT-INTERNET4, US
     26295  UNALLOCATED  12.147.1.0/24             7018  ATT-INTERNET4, US
     30442  UNALLOCATED  12.155.208.0/24           7018  ATT-INTERNET4, US
     32282  UNALLOCATED  12.162.231.0/24           7018  ATT-INTERNET4, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             1835  FSKNET-DK Forskningsnettet - Danish network for

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar

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

Unassigned Network     ASN Information  AS Name
41.57.124.0/22       Origin:     37442  RESERVED, ZZ
41.57.124.0/22      Transit:     37204  TELONE, ZW
41.57.124.0/23       Origin:     37442  RESERVED, ZZ
41.57.124.0/23      Transit:     37204  TELONE, ZW
41.57.126.0/24       Origin:     37442  RESERVED, ZZ
41.57.126.0/24      Transit:     37204  TELONE, ZW
41.57.127.0/24       Origin:     37442  RESERVED, ZZ
41.57.127.0/24      Transit:     37204  TELONE, ZW
41.74.44.0/24        Origin:     37544  RESERVED, ZZ
41.74.44.0/24       Transit:     15964  CAMNET-AS, CM

Complete listing at https://bgp.nsrc.org/REN/KREONet2/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        /8:11       /9:6       /10:17      /11:30      /12:93      
/13:124     /14:362     /15:702     /16:5963    /17:2478    /18:2574    
/19:5486    /20:8754    /21:11119   /22:19938   /23:20885   /24:113856  
/25:73      /26:48      /27:65      /28:18      /29:16      /30:12      
/31:0       /32:4       

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

   ASN  No of nets  Total ann.  Description
 39891        3440        4758  ALJAWWALSTC-AS, SA
  8151        2892        5345  UNINET, MX
 16509        2116        9912  AMAZON-02, US
 11492        1222        1616  CABLEONE, US
   209         955        1689  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1862  ATLANTICBB-JOHNSTOWN, US
 11830         882        1041  Instituto Costarricense de Electricidad y Telec
 19901         744         885  BRSPD-PUBLIC, US
  6147         681        1084  Telefonica del Peru S.A.A., PE
  8376         557         712  Jordan Data Communications, JO

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos

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

   1:11        2:382       3:342       5:1115      6:148       7:5      
   8:629      11:171      12:664      13:300      14:152      15:283    
  16:175      17:6        18:740      20:33       21:4        22:188    
  23:1893     24:747      25:2        27:53       29:19       31:210    
  32:1        34:10       35:57       36:1176     37:485      38:901    
  39:524      40:11       41:717      42:13       43:179      44:34     
  45:2470     46:636      47:98       49:10       50:286      51:478    
  52:1365     54:273      55:998      57:14       58:7        59:41     
  60:19       61:67       62:335      63:503      64:1467     65:822    
  66:1258     67:834      68:176      69:844      70:144      71:196    
  72:485      74:730      75:395      76:210      77:327      78:590    
  79:188      80:227      81:197      82:191      83:117      84:199    
  85:349      86:165      87:167      88:151      89:535      90:95     
  91:618      92:428      93:809      94:511      95:1109     96:373    
  97:33       98:138      99:148     100:23      101:22      102:197    
 103:1149    104:759     105:141     106:3       107:198     108:310    
 109:278     110:41      111:1788    112:464     113:49      114:33     
 115:15      116:41      117:971     118:72      119:127     120:1091   
 121:44      122:117     123:21      124:57      125:39      128:357    
 129:278     130:507     131:814     132:516     133:195     134:348    
 135:90      136:371     137:429     138:768     139:416     140:600    
 141:324     142:704     143:603     144:341     145:65      146:513    
 147:387     148:613     149:485     150:295     151:578     152:577    
 153:122     154:625     155:703     156:455     157:294     158:316    
 159:691     160:737     161:478     162:694     163:299     164:654    
 165:394     166:101     167:401     168:897     169:153     170:1265   
 171:69      172:909     173:814     174:191     175:41      176:416    
 177:711     178:336     179:515     180:66      181:1027    182:32     
 183:909     184:311     185:2503    186:788     187:766     188:640    
 189:1099    190:2705    191:238     192:3934    193:1304    194:866    
 195:583     196:462     197:402     198:2007    199:3678    200:2467   
 201:2418    202:1145    203:677     204:1781    205:1671    206:1180   
 207:1162    208:927     209:1423    210:407     211:431     212:708    
 213:593     214:1066    215:42      216:1789    217:343     218:524    
 219:34      220:32      221:302     222:60      223:643    

End of report


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