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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Dec 14 20:16:33 UTC 2023


IPv4 R&E Routing Table Report   20:15 GMT Thu 14 Dec, 2023

  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:                              257591
    Prefixes after maximum aggregation (per Origin AS):          114156
    Deaggregation factor:                                          2.26
    Unique aggregates announced (without unneeded subnets):      138829
    Number of IPv4 prefixes with a valid ROA:                     97511
    Number of IPv4 prefixes with an invalid ROA:                    234
    Number of IPv4 prefixes with no ROA:                         159846
Total ASes present in the Internet Routing Table:                 20792
    Prefixes per ASN:                                             12.39
Origin-only ASes present in the Internet Routing Table:           18085
Origin ASes announcing only one prefix:                            8069
Transit ASes present in the Internet Routing Table:                2707
Transit-only ASes present in the Internet Routing Table:            677
Paths with bogon ASNs present in the IPv4 Routing Table:             11
Average AS path length visible in the Internet Routing Table:       5.7
    Max AS path length visible:                                      38
    Max AS path prepend of ASN (272886)                              31
Prefixes from unregistered ASNs in the Routing Table:               396
    Number of instances of unregistered ASNs:                       396
Number of 32-bit ASNs allocated by the RIRs:                      43225
Number of 32-bit ASNs visible in the Routing Table:                7526
Prefixes from 32-bit ASNs in the Routing Table:                   26762
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:            142
Number of addresses announced to Internet:                   1487040841
    Equivalent to 88 /8s, 162 /16s and 113 /24s
    Percentage of available address space announced:               40.2
    Percentage of allocated address space announced:               40.2
    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:       87192

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

Prefixes being announced by APNIC Region ASes:                    30911
    Total APNIC prefixes after maximum aggregation:                7312
    APNIC Deaggregation factor:                                    4.23
Prefixes being announced from the APNIC address blocks:           30532
    Unique aggregates announced from the APNIC address blocks:     8460
APNIC Region origin ASes present in the Internet Routing Table:    1216
    APNIC Prefixes per ASN:                                       25.11
APNIC Region origin ASes announcing only one prefix:                503
APNIC Region transit ASes present in the Internet Routing Table:    204
Average APNIC Region AS path length visible:                        6.2
    Max APNIC Region AS path length visible:                         17
Number of APNIC region 32-bit ASNs visible in the Routing Table:    541
Number of APNIC addresses announced to Internet:              212631432
    Equivalent to 12 /8s, 172 /16s and 127 /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:                    119288
    Total ARIN prefixes after maximum aggregation:                62801
    ARIN Deaggregation factor:                                     1.90
Prefixes being announced from the ARIN address blocks:           119336
    Unique aggregates announced from the ARIN address blocks:     69386
ARIN Region origin ASes present in the Internet Routing Table:     9635
    ARIN Prefixes per ASN:                                        12.39
ARIN Region origin ASes announcing only one prefix:                3954
ARIN Region transit ASes present in the Internet Routing Table:     864
Average ARIN Region AS path length visible:                         5.3
    Max ARIN Region AS path length visible:                          26
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2049
Number of ARIN addresses announced to Internet:               841777345
    Equivalent to 50 /8s, 44 /16s and 128 /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:                     55671
    Total RIPE prefixes after maximum aggregation:                27998
    RIPE Deaggregation factor:                                     1.99
Prefixes being announced from the RIPE address blocks:            54511
    Unique aggregates announced from the RIPE address blocks:     36593
RIPE Region origin ASes present in the Internet Routing Table:     5168
    RIPE Prefixes per ASN:                                        10.55
RIPE Region origin ASes announcing only one prefix:                2207
RIPE Region transit ASes present in the Internet Routing Table:     716
Average RIPE Region AS path length visible:                         5.7
    Max RIPE Region AS path length visible:                          31
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1978
Number of RIPE addresses announced to Internet:               302675968
    Equivalent to 18 /8s, 10 /16s and 120 /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:                   42685
    Total LACNIC prefixes after maximum aggregation:              13380
    LACNIC Deaggregation factor:                                   3.19
Prefixes being announced from the LACNIC address blocks:          41993
    Unique aggregates announced from the LACNIC address blocks:   20345
LACNIC Region origin ASes present in the Internet Routing Table:   3687
    LACNIC Prefixes per ASN:                                      11.39
LACNIC Region origin ASes announcing only one prefix:              1306
LACNIC Region transit ASes present in the Internet Routing Table:   739
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        38
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2841
Number of LACNIC addresses announced to Internet:              88680192
    Equivalent to 5 /8s, 73 /16s and 39 /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:                   8640
    Total AfriNIC prefixes after maximum aggregation:              2366
    AfriNIC Deaggregation factor:                                  3.65
Prefixes being announced from the AfriNIC address blocks:         11077
    Unique aggregates announced from the AfriNIC address blocks:   3910
AfriNIC Region origin ASes present in the Internet Routing Table:   251
    AfriNIC Prefixes per ASN:                                     44.13
AfriNIC Region origin ASes announcing only one prefix:               99
AfriNIC Region transit ASes present in the Internet Routing Table:   66
Average AfriNIC Region AS path length visible:                      5.9
    Max AfriNIC Region AS path length visible:                       20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  117
Number of AfriNIC addresses announced to Internet:             41102336
    Equivalent to 2 /8s, 115 /16s and 44 /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        9583       8731      42  CHINAMOBILE-CN China Mobile Communicati
 56047        1507        188      34  CMNET-HUNAN-AP China Mobile communicati
 56041        1428        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 56046        1426        834     106  CMNET-JIANGSU-AP China Mobile communica
 24444         760        501      71  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 24547         748        168      47  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 17676         738      10616     152  GIGAINFRA SoftBank Corp., JP
  9394         634       4158      52  CTTNET China TieTong Telecommunications
  2907         603       2162     466  SINET-AS Research Organization of Infor
 24445         477        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        9388      11176    3402  AMAZON-02, US
 22773        3495       3038     293  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3163      54930    2415  DNIC-AS-00749, US
   367        2959       3841    1413  DNIC-ASBLK-00306-00371, US
  7018        2575      23627    1593  ATT-INTERNET4, US
  5650        1895       2745    1320  FRONTIER-FRTR, US
 18566        1855        373     312  MEGAPATH5-, US
 11776        1844        254     221  ATLANTICBB-JOHNSTOWN, US
  6167        1746       3061     447  CELLCO-PART, US
   209        1711       4899     328  CENTURYLINK-US-LEGACY-QWEST, US

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        4502        267      58  ALJAWWALSTC-AS, SA
 20940        1618        142    1280  AKAMAI-ASN1, NL
  8452         903       1841      14  TE-AS TE-AS, EG
  3215         892       4823     300  France Telecom - Orange, FR
 25019         866       1035     152  SAUDINETSTC-AS, SA
 61317         846         58     757  ASDETUK www.heficed.com, US
 34984         790         94     502  TELLCOM-AS, TR
  8376         722         59      22  Jordan Data Communications, JO
  8386         707        109     242  KOCNET, TR
 15897         572        188      20  VODAFONETURKEY, TR

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        5895       1676    1008  UNINET, MX
 10620        2214        313    1315  Telmex Colombia S.A., CO
 11830        2005        369      64  Instituto Costarricense de Electricidad
  3816        1307        787     192  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1082        369      22  Telefonica del Peru S.A.A., PE
 26615        1047       2502      52  TIM SA, BR
 18881         991       1120      28  TELEFONICA BRASIL S.A, BR
 11664         915        151     398  Techtel LMDS Comunicaciones Interactiva
 28006         616         75     279  CORPORACION NACIONAL DE TELECOMUNICACIO
 26599         596       2965      47  TELEFONICA BRASIL S.A, BR

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        1172        388      22  LINKdotNET-AS, EG
 24835        1020        457      25  RAYA-AS, EG
 36935         674        520      41  Vodafone-, EG
 36992         672        992     338  ETISALAT-MISR, EG
 36914         529         82       3  KENET-AS, KE
 15399         424         36     168  WANANCHI-, KE
 36903         415        192     302  MT-MPLS, MA
 29571         382         36     159  ORANGE-COTE-IVOIRE, CI
  2018         377        319      71  TENET-1, ZA
 37693         313        594      41  TUNISIANA, TN

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
  9808        9583       8731      42  CHINAMOBILE-CN China Mobile Communicati
 16509        9388      11176    3402  AMAZON-02, US
  8151        5895       1676    1008  UNINET, MX
 39891        4502        267      58  ALJAWWALSTC-AS, SA
 22773        3495       3038     293  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3163      54930    2415  DNIC-AS-00749, US
   367        2959       3841    1413  DNIC-ASBLK-00306-00371, US
  7018        2575      23627    1593  ATT-INTERNET4, US
 10620        2214        313    1315  Telmex Colombia S.A., CO
 11830        2005        369      64  Instituto Costarricense de Electricidad

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

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

   ASN  No of nets  Net Savings  Description
 16509        9388         5986  AMAZON-02, US
  8151        5895         4887  UNINET, MX
 39891        4502         4444  ALJAWWALSTC-AS, SA
 22773        3495         3202  ASN-CXA-ALL-CCI-22773-RDC, US
 11830        2005         1941  Instituto Costarricense de Electricidad y Telec
 11776        1844         1623  ATLANTICBB-JOHNSTOWN, US
   367        2959         1546  DNIC-ASBLK-00306-00371, US
 18566        1855         1543  MEGAPATH5-, US
 56047        1507         1473  CMNET-HUNAN-AP China Mobile communications corp
   209        1711         1383  CENTURYLINK-US-LEGACY-QWEST, US

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
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
    396451  UNALLOCATED  12.6.254.0/24             7018  ATT-INTERNET4, US
     13342  UNALLOCATED  12.17.5.0/24              7018  ATT-INTERNET4, US
    396831  UNALLOCATED  12.23.198.0/24            7018  ATT-INTERNET4, US
     21861  UNALLOCATED  12.37.59.0/24             7018  ATT-INTERNET4, US
     33684  UNALLOCATED  12.37.144.0/24            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             6939  HURRICANE, US

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

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

Unassigned Network     ASN Information  AS Name
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
41.78.60.0/22        Origin:      6762  SEABONE-NET TELECOM ITALIA SPARKLE S.p.A
41.78.60.0/22       Transit:      2914  NTT-LTD-2914, US
43.243.102.0/24      Origin:     64050  BCPL-SG BGPNET Global ASN, SG
43.243.102.0/24     Transit:      2914  NTT-LTD-2914, US

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        /8:13       /9:8       /10:29      /11:45      /12:127     
/13:188     /14:500     /15:1000    /16:7432    /17:3471    /18:4049    
/19:7910    /20:12394   /21:15515   /22:28709   /23:29047   /24:146874  
/25:87      /26:61      /27:71      /28:18      /29:22      /30:15      
/31:0       /32:6       

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

   ASN  No of nets  Total ann.  Description
 39891        3320        4502  ALJAWWALSTC-AS, SA
  8151        3119        5895  UNINET, MX
 22773        2554        3495  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        1928        9388  AMAZON-02, US
 18566        1769        1855  MEGAPATH5-, US
 11830        1703        2005  Instituto Costarricense de Electricidad y Telec
  5650        1380        1895  FRONTIER-FRTR, US
 10620        1337        2214  Telmex Colombia S.A., CO
  7018        1126        2575  ATT-INTERNET4, US
   209         965        1711  CENTURYLINK-US-LEGACY-QWEST, US

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

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

   1:14        2:521       3:248       4:5         5:1312      6:151    
   7:5         8:729      11:171      12:1093     13:310      14:104    
  15:283      16:167      17:6        18:651      20:242      21:4      
  22:188      23:2483     24:781      25:2        27:25       29:19     
  31:426      32:37       34:2        35:56       36:1098     37:887    
  38:1342     39:503      40:60       41:997      42:20       43:214    
  44:42       45:3405     46:863      47:154      49:22       50:339    
  51:413      52:1387     54:348      55:887      56:5        57:23     
  58:7        59:32       60:18       61:71       62:589      63:891    
  64:2083     65:1166     66:2240     67:957      68:588      69:1250   
  70:494      71:264      72:709      74:1049     75:438      76:242    
  77:342      78:603      79:257      80:369      81:351      82:315    
  83:164      84:365      85:423      86:214      87:299      88:225    
  89:594      90:99       91:936      92:509      93:934      94:683    
  95:1228     96:284      97:70       98:548      99:164     100:45     
 101:27      102:267     103:1224    104:1420    105:65      106:42     
 107:1390    108:529     109:334     110:34      111:1733    112:471    
 113:59      114:33      115:18      116:46      117:951     118:64     
 119:151     120:1080    121:42      122:97      123:81      124:57     
 125:16      128:446     129:336     130:614     131:1094    132:555    
 133:267     134:444     135:120     136:417     137:544     138:895    
 139:546     140:621     141:272     142:786     143:673     144:378    
 145:90      146:592     147:425     148:690     149:695     150:296    
 151:587     152:531     153:146     154:648     155:767     156:629    
 157:333     158:439     159:660     160:662     161:636     162:964    
 163:409     164:657     165:572     166:584     167:623     168:1394   
 169:183     170:1512    171:99      172:1297    173:859     174:278    
 175:42      176:838     177:951     178:398     179:679     180:58     
 181:1646    182:14      183:876     184:511     185:3423    186:1901   
 187:867     188:723     189:1308    190:4326    191:351     192:4957   
 193:1974    194:1433    195:1146    196:908     197:765     198:2604   
 199:3344    200:3188    201:3206    202:1111    203:646     204:2240   
 205:1858    206:1632    207:1425    208:1444    209:1948    210:346    
 211:475     212:1037    213:852     214:1079    215:43      216:2559   
 217:577     218:524     219:24      220:29      221:289     222:33     
 223:617    

End of report


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