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

REN Routing Table Report cscora at bgp.nsrc.org
Sat May 18 20:16:33 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Sat 18 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:                              191450
    Prefixes after maximum aggregation (per Origin AS):           84916
    Deaggregation factor:                                          2.25
    Unique aggregates announced (without unneeded subnets):      105885
    Number of IPv4 prefixes with a valid ROA:                     75148
    Number of IPv4 prefixes with an invalid ROA:                     20
    Number of IPv4 prefixes with no ROA:                         116282
Total ASes present in the Internet Routing Table:                 16079
    Prefixes per ASN:                                             11.91
Origin-only ASes present in the Internet Routing Table:           13886
Origin ASes announcing only one prefix:                            6364
Transit ASes present in the Internet Routing Table:                2193
Transit-only ASes present in the Internet Routing Table:            594
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:               235
    Number of instances of unregistered ASNs:                       235
Number of 32-bit ASNs allocated by the RIRs:                      44478
Number of 32-bit ASNs visible in the Routing Table:                5758
Prefixes from 32-bit ASNs in the Routing Table:                   19769
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:            105
Number of addresses announced to Internet:                   1117671073
    Equivalent to 66 /8s, 158 /16s and 78 /24s
    Percentage of available address space announced:               30.2
    Percentage of allocated address space announced:               30.2
    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:       56354

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

Prefixes being announced by APNIC Region ASes:                    30483
    Total APNIC prefixes after maximum aggregation:                7231
    APNIC Deaggregation factor:                                    4.22
Prefixes being announced from the APNIC address blocks:           29948
    Unique aggregates announced from the APNIC address blocks:     8242
APNIC Region origin ASes present in the Internet Routing Table:    1191
    APNIC Prefixes per ASN:                                       25.15
APNIC Region origin ASes announcing only one prefix:                488
APNIC Region transit ASes present in the Internet Routing Table:    206
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:    531
Number of APNIC addresses announced to Internet:              201258864
    Equivalent to 11 /8s, 254 /16s and 247 /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:                     89084
    Total ARIN prefixes after maximum aggregation:                48664
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:            87733
    Unique aggregates announced from the ARIN address blocks:     54685
ARIN Region origin ASes present in the Internet Routing Table:     7518
    ARIN Prefixes per ASN:                                        11.67
ARIN Region origin ASes announcing only one prefix:                3252
ARIN Region transit ASes present in the Internet Routing Table:     682
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:    1558
Number of ARIN addresses announced to Internet:               655993697
    Equivalent to 39 /8s, 25 /16s and 171 /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:                     36869
    Total RIPE prefixes after maximum aggregation:                17455
    RIPE Deaggregation factor:                                     2.11
Prefixes being announced from the RIPE address blocks:            37586
    Unique aggregates announced from the RIPE address blocks:     25213
RIPE Region origin ASes present in the Internet Routing Table:     3505
    RIPE Prefixes per ASN:                                        10.72
RIPE Region origin ASes announcing only one prefix:                1477
RIPE Region transit ASes present in the Internet Routing Table:     534
Average RIPE Region AS path length visible:                         5.8
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1293
Number of RIPE addresses announced to Internet:               160492752
    Equivalent to 9 /8s, 144 /16s and 236 /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:                   29954
    Total LACNIC prefixes after maximum aggregation:               9416
    LACNIC Deaggregation factor:                                   3.18
Prefixes being announced from the LACNIC address blocks:          29646
    Unique aggregates announced from the LACNIC address blocks:   14434
LACNIC Region origin ASes present in the Internet Routing Table:   2945
    LACNIC Prefixes per ASN:                                      10.07
LACNIC Region origin ASes announcing only one prefix:              1051
LACNIC Region transit ASes present in the Internet Routing Table:   592
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:  2252
Number of LACNIC addresses announced to Internet:              72409088
    Equivalent to 4 /8s, 80 /16s and 224 /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:                   4825
    Total AfriNIC prefixes after maximum aggregation:              1966
    AfriNIC Deaggregation factor:                                  2.45
Prefixes being announced from the AfriNIC address blocks:          6432
    Unique aggregates announced from the AfriNIC address blocks:   3213
AfriNIC Region origin ASes present in the Internet Routing Table:   229
    AfriNIC Prefixes per ASN:                                     28.09
AfriNIC Region origin ASes announcing only one prefix:               96
AfriNIC Region transit ASes present in the Internet Routing Table:   72
Average AfriNIC Region AS path length visible:                      6.2
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  124
Number of AfriNIC addresses announced to Internet:             27424256
    Equivalent to 1 /8s, 162 /16s and 118 /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        9650       8742      61  CHINAMOBILE-CN China Mobile Communicati
 56047        1506        192      47  CMNET-HUNAN-AP China Mobile communicati
 56046        1483        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         723      10640     154  GIGAINFRA SoftBank Corp., JP
  2907         600       2146     464  SINET-AS Research Organization of Infor
 24445         478        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun
 56040         453        490     109  CMNET-GUANGDONG-AP China Mobile communi

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        9904      11372    3568  AMAZON-02, US
   749        3224      54904    2476  DNIC-AS-00749, US
   367        2786       3441    1311  DNIC-ASBLK-00306-00371, US
 11776        1860        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1811        116    1249  USDA-1, US
   209        1699       4898     311  CENTURYLINK-US-LEGACY-QWEST, US
 11492        1597        105     891  CABLEONE, US
  5972        1347        387     612  DNIC-ASBLK-05800-06055, US
  7979         985         64     199  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        1285        106    1038  AKAMAI-ASN1, NL
  3215         900       4830     293  France Telecom - Orange, FR
 25019         821       1044     145  SAUDINETSTC-AS, SA
  8376         719         60      21  Jordan Data Communications, JO
  8452         618       1841      11  TE-AS TE-AS, EG
 51167         509         98     214  CONTABO, DE
 35819         436        436      74  MOBILY-AS Etihad Etisalat Company Mobil
 20978         420        196      13  TT_MOBIL Istanbul, TR
 13046         386         34       5  ASN-ISKON, HR

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        5336       1504     747  UNINET, MX
  3816        1321        789     190  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1084        369      22  Telefonica del Peru S.A.A., PE
 11830        1042        324       5  Instituto Costarricense de Electricidad
 18881         753       1126      30  TELEFONICA BRASIL S.A, BR
 26599         540       2819      83  TELEFONICA BRASIL S.A, BR
 13999         491         66     214  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         703        217     272  LINKdotNET-AS, EG
  2018         378        319      71  TENET-1, ZA
 29571         324         46     115  ORANGE-COTE-IVOIRE, CI
 36935         258         64      79  Vodafone-, EG
 36914         253         82       3  KENET-AS, KE
 36992         191        246     161  ETISALAT-MISR, EG
 37492         151        471      44  ORANGE-, TN
 24835         149        150      88  RAYA-AS, EG
 37693         146        595      51  TUNISIANA, TN
 24757         136         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        9904      11372    3568  AMAZON-02, US
  9808        9650       8742      61  CHINAMOBILE-CN China Mobile Communicati
  8151        5336       1504     747  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3224      54904    2476  DNIC-AS-00749, US
   367        2786       3441    1311  DNIC-ASBLK-00306-00371, US
 11776        1860        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1811        116    1249  USDA-1, US
   209        1699       4898     311  CENTURYLINK-US-LEGACY-QWEST, US
 11492        1597        105     891  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        9650         9589  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4758         4698  ALJAWWALSTC-AS, SA
  8151        5336         4589  UNINET, MX
 11776        1860         1640  ATLANTICBB-JOHNSTOWN, US
   367        2786         1475  DNIC-ASBLK-00306-00371, US
 56047        1506         1459  CMNET-HUNAN-AP China Mobile communications corp
   209        1699         1388  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1448         1375  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1483         1374  CMNET-JIANGSU-AP China Mobile communications co
  3816        1321         1131  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
     13342  UNALLOCATED  12.17.5.0/24              7018  ATT-INTERNET4, 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

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      /12:91      
/13:124     /14:358     /15:694     /16:5957    /17:2481    /18:2574    
/19:5419    /20:8696    /21:10816   /22:19927   /23:20798   /24:113200  
/25:75      /26:49      /27:70      /28:19      /29:20      /30:14      
/31:0       /32:4       

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

   ASN  No of nets  Total ann.  Description
 39891        3440        4758  ALJAWWALSTC-AS, SA
  8151        2882        5336  UNINET, MX
 16509        2123        9904  AMAZON-02, US
 11492        1207        1597  CABLEONE, US
   209         961        1699  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1860  ATLANTICBB-JOHNSTOWN, US
 11830         883        1042  Instituto Costarricense de Electricidad y Telec
 19901         740         881  BRSPD-PUBLIC, US
  6147         680        1084  Telefonica del Peru S.A.A., PE
  8376         564         719  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        2:367       3:340       5:1120      6:150       7:5      
   8:628      11:171      12:659      13:304      14:120      15:282    
  16:175      17:6        18:736      20:33       21:4        22:188    
  23:1892     24:738      25:2        27:48       29:19       31:207    
  32:1        34:10       35:57       36:1175     37:451      38:899    
  39:524      40:11       41:753      42:13       43:196      44:35     
  45:2448     46:631      47:98       49:9        50:282      51:476    
  52:1363     54:275      55:998      57:16       58:7        59:36     
  60:19       61:63       62:338      63:506      64:1536     65:823    
  66:1280     67:836      68:175      69:846      70:144      71:196    
  72:488      74:736      75:395      76:210      77:322      78:577    
  79:194      80:218      81:187      82:182      83:113      84:194    
  85:347      86:162      87:153      88:150      89:541      90:96     
  91:609      92:415      93:806      94:521      95:1115     96:374    
  97:35       98:136      99:151     100:23      101:22      102:244    
 103:1184    104:763     105:142     106:3       107:198     108:311    
 109:266     110:39      111:1789    112:464     113:47      114:32     
 115:16      116:34      117:972     118:71      119:105     120:1078   
 121:40      122:87      123:20      124:58      125:12      128:362    
 129:280     130:507     131:808     132:498     133:195     134:348    
 135:90      136:368     137:423     138:762     139:410     140:598    
 141:320     142:703     143:592     144:337     145:64      146:495    
 147:389     148:622     149:498     150:292     151:581     152:583    
 153:118     154:591     155:688     156:451     157:287     158:329    
 159:693     160:731     161:481     162:701     163:292     164:650    
 165:394     166:99      167:402     168:905     169:152     170:1240   
 171:65      172:918     173:819     174:191     175:41      176:422    
 177:707     178:326     179:499     180:55      181:1008    182:26     
 183:826     184:313     185:2497    186:795     187:765     188:638    
 189:1092    190:2721    191:225     192:3911    193:1295    194:858    
 195:575     196:452     197:402     198:2006    199:3675    200:2447   
 201:2338    202:1080    203:642     204:1796    205:1693    206:1205   
 207:1163    208:945     209:1437    210:350     211:431     212:704    
 213:589     214:1026    215:42      216:1798    217:338     218:524    
 219:24      220:29      221:304     222:22      223:643    

End of report


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