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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Nov 5 22:41:52 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Sun 05 Nov, 2023

  IPv4 BGP Table (Global) as seen at RouteViews OIX.

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

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

BGP routing table entries examined:                              982690
    Prefixes after maximum aggregation (per Origin AS):          361440
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      454691
Total ASes present in the Internet Routing Table:                 75195
    Prefixes per ASN:                                             13.07
Origin-only ASes present in the Internet Routing Table:           64750
Origin ASes announcing only one prefix:                           25928
Transit ASes present in the Internet Routing Table:               10445
Transit-only ASes present in the Internet Routing Table:            474
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1273
    Number of instances of unregistered ASNs:                      1279
Number of 32-bit ASNs allocated by the RIRs:                      43017
Number of 32-bit ASNs visible in the Routing Table:               35424
Prefixes from 32-bit ASNs in the Routing Table:                  185176
Number of bogon 32-bit ASNs visible in the Routing Table:           199
Special use prefixes present in the Routing Table:                   35
Prefixes being announced from unallocated address space:            602
Number of addresses announced to Internet:                   3052117214
    Equivalent to 181 /8s, 235 /16s and 156 /24s
    Percentage of available address space announced:               82.4
    Percentage of allocated address space announced:               82.4
    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:      338927

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

Prefixes being announced by APNIC Region ASes:                   255412
    Total APNIC prefixes after maximum aggregation:               72182
    APNIC Deaggregation factor:                                    3.54
Prefixes being announced from the APNIC address blocks:          248517
    Unique aggregates announced from the APNIC address blocks:    98906
APNIC Region origin ASes present in the Internet Routing Table:   13778
    APNIC Prefixes per ASN:                                       18.04
APNIC Region origin ASes announcing only one prefix:               4083
APNIC Region transit ASes present in the Internet Routing Table:   1846
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9098
Number of APNIC addresses announced to Internet:              772736160
    Equivalent to 46 /8s, 15 /16s and 4 /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:                    282293
    Total ARIN prefixes after maximum aggregation:               125949
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           286133
    Unique aggregates announced from the ARIN address blocks:    132503
ARIN Region origin ASes present in the Internet Routing Table:    19117
    ARIN Prefixes per ASN:                                        14.97
ARIN Region origin ASes announcing only one prefix:                6946
ARIN Region transit ASes present in the Internet Routing Table:    1858
Average ARIN Region AS path length visible:                         3.5
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4829
Number of ARIN addresses announced to Internet:              1277577792
    Equivalent to 76 /8s, 38 /16s and 74 /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:                    281037
    Total RIPE prefixes after maximum aggregation:               127696
    RIPE Deaggregation factor:                                     2.20
Prefixes being announced from the RIPE address blocks:           275032
    Unique aggregates announced from the RIPE address blocks:    160741
RIPE Region origin ASes present in the Internet Routing Table:    28543
    RIPE Prefixes per ASN:                                         9.64
RIPE Region origin ASes announcing only one prefix:               12057
RIPE Region transit ASes present in the Internet Routing Table:    3873
Average RIPE Region AS path length visible:                         4.2
    Max RIPE Region AS path length visible:                          36
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11462
Number of RIPE addresses announced to Internet:               715255006
    Equivalent to 42 /8s, 161 /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:                  128706
    Total LACNIC prefixes after maximum aggregation:              28735
    LACNIC Deaggregation factor:                                   4.48
Prefixes being announced from the LACNIC address blocks:         127947
    Unique aggregates announced from the LACNIC address blocks:   49333
LACNIC Region origin ASes present in the Internet Routing Table:  11057
    LACNIC Prefixes per ASN:                                      11.57
LACNIC Region origin ASes announcing only one prefix:              2264
LACNIC Region transit ASes present in the Internet Routing Table:  2357
Average LACNIC Region AS path length visible:                       4.3
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8884
Number of LACNIC addresses announced to Internet:             178460960
    Equivalent to 10 /8s, 163 /16s and 25 /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:                  33969
    Total AfriNIC prefixes after maximum aggregation:              6082
    AfriNIC Deaggregation factor:                                  5.59
Prefixes being announced from the AfriNIC address blocks:         44458
    Unique aggregates announced from the AfriNIC address blocks:  12701
AfriNIC Region origin ASes present in the Internet Routing Table:  1805
    AfriNIC Prefixes per ASN:                                     24.63
AfriNIC Region origin ASes announcing only one prefix:              578
AfriNIC Region transit ASes present in the Internet Routing Table:  341
Average AfriNIC Region AS path length visible:                      4.3
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1151
Number of AfriNIC addresses announced to Internet:            107640320
    Equivalent to 6 /8s, 106 /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        9552       8730      43  CHINAMOBILE-CN China Mobile Communicati
  7545        5713        785     694  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5021       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4253        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3805       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3606       1047      70  TELKOMNET-AS-AP PT Telekomunikasi Indon
 45899        3328       1872      98  VNPT-AS-VN VNPT Corp, VN
  9498        3246        491     240  BBIL-AP BHARTI Airtel Ltd., IN
  4766        2734      11270     604  KIXS-AS-KR Korea Telecom, KR
 24560        2573        851     372  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9211      11028    3275  AMAZON-02, US
 11492        4541        301     673  CABLEONE, US
  7155        4182        289     101  VIASAT-SP-BACKBONE, US
   174        3898       6659     628  COGENT-174, US
 22773        3640       3061     306  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3547       1320      67  SHAW, CA
   749        3160      54933    2412  DNIC-AS-00749, US
 16625        3084       1403    2321  AKAMAI-AS, US
   367        3061       3869    1438  DNIC-ASBLK-00306-00371, US
396982        2710       3598     400  GOOGLE-CLOUD-PLATFORM, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        8679       1182    2885  TTNET, TR
 12479        7423       1713     145  UNI2-AS, ES
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 20940        4101       3398     167  AKAMAI-ASN1, NL
  8551        3445        368      34  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  9009        3435        297    1601  M247, RO
 12389        3015       2298     923  ROSTELECOM-AS, RU
  5384        2470        585      29  EMIRATES-INTERNET Emirates Internet, AE
  8452        2448       1852      14  TE-AS TE-AS, EG
 34984        2369        364     586  TELLCOM-AS, TR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12037       3373     615  UNINET, MX
 10620        3544        504     860  Telmex Colombia S.A., CO
 13999        2432        331     636  Mega Cable, S.A. de C.V., MX
 11830        2007        369      64  Instituto Costarricense de Electricidad
 28573        1332       2322     230  Claro NXT Telecomunicacoes Ltda, BR
  3816        1295        777     196  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1251        342     506  Axtel, S.A.B. de C.V., MX
  6147        1105        369      22  Telefonica del Peru S.A.A., PE
 28202        1099         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1058        168     430  Techtel LMDS Comunicaciones Interactiva

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 37457        1626        319      45  Telkom-Internet, ZA
 24863        1606        391      38  LINKdotNET-AS, EG
 24835        1549        549      28  RAYA-AS, EG
 36992        1358       1518     280  ETISALAT-MISR, EG
 36903        1248        553      98  MT-MPLS, MA
 29571        1045         67      53  ORANGE-COTE-IVOIRE, CI
 36935         938        521      44  Vodafone-, EG
  6713         550       1861      34  IAM-AS, MA
 36914         527         82       3  KENET-AS, KE
 37342         511         32       1  MOVITEL, MZ

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12037       3373     615  UNINET, MX
  9808        9552       8730      43  CHINAMOBILE-CN China Mobile Communicati
 16509        9211      11028    3275  AMAZON-02, US
 47331        8679       1182    2885  TTNET, TR
 12479        7423       1713     145  UNI2-AS, ES
  7545        5713        785     694  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5021       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 11492        4541        301     673  CABLEONE, US
 18403        4253        347      25  FPT-AS-AP FPT Telecom Company, VN

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

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

   ASN  No of nets  Net Savings  Description
  9808        9552         9509  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7423         7278  UNI2-AS, ES
 16509        9211         5936  AMAZON-02, US
 47331        8679         5794  TTNET, TR
  7545        5713         5019  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5021         4946  ERX-CERNET-BKB China Education and Research Net
 39891        4570         4516  ALJAWWALSTC-AS, SA
 18403        4253         4228  FPT-AS-AP FPT Telecom Company, VN
  7155        4182         4081  VIASAT-SP-BACKBONE, US
 20940        4101         3934  AKAMAI-ASN1, NL

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24             11168  SCC, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24             17054  EXPEDIENT, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  LIGHTOWER, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US

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

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

Prefix                Origin AS  Description
100.65.6.0/24             65534  -Private Use AS-, ZZ
100.65.7.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.10.0/24            65534  -Private Use AS-, ZZ
100.65.11.0/24            65534  -Private Use AS-, ZZ
100.65.13.0/24            65534  -Private Use AS-, ZZ
100.65.16.0/23            65534  -Private Use AS-, ZZ
100.66.3.0/24             65534  -Private Use AS-, ZZ
100.66.7.0/24             65534  -Private Use AS-, ZZ
100.66.9.0/24             65534  -Private Use AS-, ZZ

Complete listing at https://bgp.nsrc.org/REN/OIX/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:      2386  INS-AS, US
23.141.0.0/24       Transit:      7018  ATT-INTERNET4, US
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US
36.255.139.0/24      Origin:     56050  NEW-SHINE-INTERNET-TH 134 Yenchit Road, 
36.255.139.0/24     Transit:     58913  HCL-TH 4819 Supapong 3 Alley, Srinakarin

Complete listing at https://bgp.nsrc.org/REN/OIX/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:14      /10:38      /11:100     /12:301     
/13:584     /14:1212    /15:2142    /16:13613   /17:8578    /18:14224   
/19:25630   /20:45638   /21:54273   /22:114241  /23:107229  /24:589949  
/25:1137    /26:1085    /27:1501    /28:160     /29:239     /30:80      
/31:76      /32:629     

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

   ASN  No of nets  Total ann.  Description
 47331        7796        8679  TTNET, TR
 12479        6513        7423  UNI2-AS, ES
  8151        6040       12037  UNINET, MX
 11492        3454        4541  CABLEONE, US
  6327        3356        3547  SHAW, CA
 39891        3324        4570  ALJAWWALSTC-AS, SA
  7155        3127        4182  VIASAT-SP-BACKBONE, US
  8551        2922        3445  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2685        3640  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2144        2488  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2253      2:1607      3:272       4:8         5:4607      6:161    
   7:6         8:1619      9:1        11:172      12:1501     13:355    
  14:2329     15:304      16:202      17:376      18:671      20:335    
  21:4        22:188      23:6561     24:2955     25:2        27:2670   
  29:19       31:2706     32:87       34:30       35:120      36:2041   
  37:4609     38:6641     39:872      40:150      41:4683     42:2076   
  43:2367     44:331      45:17597    46:4550     47:380      49:1886   
  50:1910     51:577      52:1622     54:394      55:885      56:5      
  57:137      58:1963     59:1191     60:1012     61:2734     62:2827   
  63:1936     64:5726     65:2388     66:5171     67:3127     68:1366   
  69:4186     70:1395     71:633      72:3035     74:2679     75:1610   
  76:641      77:2459     78:4058     79:3041     80:2166     81:2111   
  82:1599     83:1374     84:1630     85:3869     86:878      87:2214   
  88:2949     89:4003     90:630      91:8025     92:2213     93:2664   
  94:3750     95:5130     96:1338     97:315      98:1110     99:736    
 100:122     101:1390    102:3402    103:32617   104:4822    105:2001   
 106:992     107:2811    108:1154    109:4338    110:2168    111:3168   
 112:2093    113:1759    114:1712    115:2090    116:1987    117:2561   
 118:2722    119:2011    120:1792    121:1266    122:2762    123:2253   
 124:1653    125:2652    128:1575    129:1009    130:1099    131:2085   
 132:969     133:408     134:1699    135:342     136:912     137:999    
 138:2880    139:1589    140:1335    141:1336    142:1578    143:1606   
 144:1007    145:343     146:1996    147:1646    148:2501    149:2434   
 150:894     151:1261    152:1990    153:604     154:5550    155:1412   
 156:2139    157:1380    158:1069    159:2211    160:2698    161:1625   
 162:3553    163:1627    164:1763    165:1910    166:1076    167:1770   
 168:4046    169:820     170:4915    171:981     172:3895    173:3039   
 174:984     175:1228    176:3773    177:5657    178:3590    179:2457   
 180:2379    181:3624    182:3376    183:1997    184:2284    185:20976  
 186:5129    187:4700    188:4249    189:4249    190:9524    191:1956   
 192:11043   193:9031    194:7536    195:5482    196:3637    197:2930   
 198:6091    199:6467    200:8346    201:6369    202:10986   203:10502  
 204:4620    205:3745    206:4483    207:3582    208:4178    209:4979   
 210:4614    211:2569    212:4390    213:3516    214:1114    215:71     
 216:6888    217:3026    218:1333    219:608     220:2039    221:1002   
 222:860     223:2190   

End of report


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