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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Dec 13 20:16:37 UTC 2023


IPv4 R&E Routing Table Report   20:15 GMT Wed 13 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:                              256565
    Prefixes after maximum aggregation (per Origin AS):          113821
    Deaggregation factor:                                          2.25
    Unique aggregates announced (without unneeded subnets):      138018
    Number of IPv4 prefixes with a valid ROA:                     96726
    Number of IPv4 prefixes with an invalid ROA:                     42
    Number of IPv4 prefixes with no ROA:                         159797
Total ASes present in the Internet Routing Table:                 20743
    Prefixes per ASN:                                             12.37
Origin-only ASes present in the Internet Routing Table:           18070
Origin ASes announcing only one prefix:                            8058
Transit ASes present in the Internet Routing Table:                2673
Transit-only ASes present in the Internet Routing Table:            659
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:               388
    Number of instances of unregistered ASNs:                       388
Number of 32-bit ASNs allocated by the RIRs:                      43228
Number of 32-bit ASNs visible in the Routing Table:                7519
Prefixes from 32-bit ASNs in the Routing Table:                   26860
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:            141
Number of addresses announced to Internet:                   1485734985
    Equivalent to 88 /8s, 142 /16s and 132 /24s
    Percentage of available address space announced:               40.1
    Percentage of allocated address space announced:               40.1
    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:       86725

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

Prefixes being announced by APNIC Region ASes:                    30678
    Total APNIC prefixes after maximum aggregation:                7275
    APNIC Deaggregation factor:                                    4.22
Prefixes being announced from the APNIC address blocks:           30310
    Unique aggregates announced from the APNIC address blocks:     8439
APNIC Region origin ASes present in the Internet Routing Table:    1200
    APNIC Prefixes per ASN:                                       25.26
APNIC Region origin ASes announcing only one prefix:                494
APNIC Region transit ASes present in the Internet Routing Table:    196
Average APNIC Region AS path length visible:                        6.3
    Max APNIC Region AS path length visible:                         17
Number of APNIC region 32-bit ASNs visible in the Routing Table:    528
Number of APNIC addresses announced to Internet:              213070728
    Equivalent to 12 /8s, 179 /16s and 51 /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:                    119197
    Total ARIN prefixes after maximum aggregation:                62688
    ARIN Deaggregation factor:                                     1.90
Prefixes being announced from the ARIN address blocks:           119229
    Unique aggregates announced from the ARIN address blocks:     69273
ARIN Region origin ASes present in the Internet Routing Table:     9639
    ARIN Prefixes per ASN:                                        12.37
ARIN Region origin ASes announcing only one prefix:                3961
ARIN Region transit ASes present in the Internet Routing Table:     866
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:    2047
Number of ARIN addresses announced to Internet:               841656769
    Equivalent to 50 /8s, 42 /16s and 169 /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:                     55554
    Total RIPE prefixes after maximum aggregation:                27930
    RIPE Deaggregation factor:                                     1.99
Prefixes being announced from the RIPE address blocks:            54405
    Unique aggregates announced from the RIPE address blocks:     36519
RIPE Region origin ASes present in the Internet Routing Table:     5152
    RIPE Prefixes per ASN:                                        10.56
RIPE Region origin ASes announcing only one prefix:                2191
RIPE Region transit ASes present in the Internet Routing Table:     704
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:    1973
Number of RIPE addresses announced to Internet:               302575616
    Equivalent to 18 /8s, 8 /16s and 240 /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:                   42083
    Total LACNIC prefixes after maximum aggregation:              13280
    LACNIC Deaggregation factor:                                   3.17
Prefixes being announced from the LACNIC address blocks:          41395
    Unique aggregates announced from the LACNIC address blocks:   19736
LACNIC Region origin ASes present in the Internet Routing Table:   3692
    LACNIC Prefixes per ASN:                                      11.21
LACNIC Region origin ASes announcing only one prefix:              1320
LACNIC Region transit ASes present in the Internet Routing Table:   732
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:  2858
Number of LACNIC addresses announced to Internet:              87504384
    Equivalent to 5 /8s, 55 /16s and 54 /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:                   8665
    Total AfriNIC prefixes after maximum aggregation:              2354
    AfriNIC Deaggregation factor:                                  3.68
Prefixes being announced from the AfriNIC address blocks:         11085
    Unique aggregates announced from the AfriNIC address blocks:   3917
AfriNIC Region origin ASes present in the Internet Routing Table:   246
    AfriNIC Prefixes per ASN:                                     45.06
AfriNIC Region origin ASes announcing only one prefix:               92
AfriNIC Region transit ASes present in the Internet Routing Table:   64
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:  113
Number of AfriNIC addresses announced to Internet:             40754176
    Equivalent to 2 /8s, 109 /16s and 220 /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        9557       8729      40  CHINAMOBILE-CN China Mobile Communicati
 56047        1505        188      34  CMNET-HUNAN-AP China Mobile communicati
 56041        1428        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 56046        1417        834     106  CMNET-JIANGSU-AP China Mobile communica
 24444         760        501      71  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 24547         749        168      47  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 17676         738      10616     152  GIGAINFRA SoftBank Corp., JP
  9394         663       4270      56  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        9385      11176    3383  AMAZON-02, US
 22773        3499       3039     295  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3163      54930    2415  DNIC-AS-00749, US
   367        2957       3822    1416  DNIC-ASBLK-00306-00371, US
  7018        2575      23627    1593  ATT-INTERNET4, US
  5650        1891       2744    1316  FRONTIER-FRTR, US
 18566        1855        373     312  MEGAPATH5-, US
 11776        1844        254     221  ATLANTICBB-JOHNSTOWN, US
  6167        1735       3036     445  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        4434        262      59  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         869       1035     152  SAUDINETSTC-AS, SA
 61317         846         58     757  ASDETUK www.heficed.com, US
 34984         787         93     499  TELLCOM-AS, TR
  8376         711         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        5491       1519     993  UNINET, MX
 10620        2165        307    1310  Telmex Colombia S.A., CO
 11830        2005        369      64  Instituto Costarricense de Electricidad
  3816        1306        787     197  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1080        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         911        150     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        1183        388      22  LINKdotNET-AS, EG
 24835        1019        457      25  RAYA-AS, EG
 36992         672        992     338  ETISALAT-MISR, EG
 36935         653        520      41  Vodafone-, EG
 36914         532         82       3  KENET-AS, KE
 15399         424         36     169  WANANCHI-, KE
 36903         415        192     302  MT-MPLS, MA
 29571         382         36     159  ORANGE-COTE-IVOIRE, CI
  2018         373        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        9557       8729      40  CHINAMOBILE-CN China Mobile Communicati
 16509        9385      11176    3383  AMAZON-02, US
  8151        5491       1519     993  UNINET, MX
 39891        4434        262      59  ALJAWWALSTC-AS, SA
 22773        3499       3039     295  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3163      54930    2415  DNIC-AS-00749, US
   367        2957       3822    1416  DNIC-ASBLK-00306-00371, US
  7018        2575      23627    1593  ATT-INTERNET4, US
 10620        2165        307    1310  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        9385         6002  AMAZON-02, US
  8151        5491         4498  UNINET, MX
 39891        4434         4375  ALJAWWALSTC-AS, SA
 22773        3499         3204  ASN-CXA-ALL-CCI-22773-RDC, US
 11830        2005         1941  Instituto Costarricense de Electricidad y Telec
 11776        1844         1623  ATLANTICBB-JOHNSTOWN, US
 18566        1855         1543  MEGAPATH5-, US
   367        2957         1541  DNIC-ASBLK-00306-00371, US
 56047        1505         1471  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    /16:7424    /17:3488    /18:4032    
/19:7841    /20:12265   /21:15368   /22:28694   /23:28893   /24:146373  
/25:84      /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        3252        4434  ALJAWWALSTC-AS, SA
  8151        2866        5491  UNINET, MX
 22773        2557        3499  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        1929        9385  AMAZON-02, US
 18566        1769        1855  MEGAPATH5-, US
 11830        1703        2005  Instituto Costarricense de Electricidad y Telec
  5650        1380        1891  FRONTIER-FRTR, US
 10620        1299        2165  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        2:522       3:248       4:5         5:1309      6:151    
   7:5         8:734      11:171      12:1093     13:309      14:102    
  15:282      16:167      17:6        18:654      20:240      21:4      
  22:188      23:2479     24:778      25:2        27:25       29:19     
  31:422      32:37       34:2        35:54       36:1065     37:881    
  38:1339     39:503      40:60       41:992      42:20       43:214    
  44:42       45:3401     46:856      47:154      49:22       50:337    
  51:413      52:1386     54:348      55:885      56:5        57:23     
  58:7        59:32       60:18       61:71       62:589      63:887    
  64:2083     65:1158     66:2262     67:957      68:596      69:1265   
  70:494      71:264      72:699      74:1049     75:437      76:242    
  77:277      78:605      79:254      80:383      81:338      82:328    
  83:161      84:363      85:424      86:213      87:298      88:225    
  89:600      90:99       91:935      92:508      93:933      94:681    
  95:1219     96:279      97:70       98:548      99:164     100:45     
 101:27      102:283     103:1204    104:1416    105:69      106:42     
 107:1388    108:530     109:334     110:34      111:1733    112:471    
 113:59      114:33      115:18      116:46      117:951     118:64     
 119:151     120:1080    121:41      122:98      123:81      124:57     
 125:16      128:447     129:378     130:610     131:1098    132:552    
 133:267     134:446     135:120     136:410     137:546     138:889    
 139:550     140:578     141:272     142:786     143:667     144:377    
 145:90      146:592     147:420     148:688     149:695     150:293    
 151:583     152:530     153:146     154:642     155:764     156:625    
 157:325     158:439     159:656     160:663     161:633     162:973    
 163:406     164:665     165:572     166:584     167:621     168:1373   
 169:182     170:1508    171:99      172:1289    173:865     174:275    
 175:42      176:839     177:883     178:393     179:670     180:58     
 181:1641    182:14      183:878     184:514     185:3436    186:1891   
 187:827     188:721     189:1358    190:4303    191:355     192:4936   
 193:1976    194:1431    195:1143    196:917     197:767     198:2614   
 199:3319    200:3196    201:3076    202:1110    203:644     204:2243   
 205:1850    206:1642    207:1414    208:1427    209:1950    210:336    
 211:475     212:1032    213:848     214:1075    215:43      216:2551   
 217:576     218:525     219:24      220:28      221:289     222:33     
 223:617    

End of report


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