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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Oct 6 22:41:37 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Fri 06 Oct, 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:                              983838
    Prefixes after maximum aggregation (per Origin AS):          360735
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      453480
Total ASes present in the Internet Routing Table:                 75201
    Prefixes per ASN:                                             13.08
Origin-only ASes present in the Internet Routing Table:           64508
Origin ASes announcing only one prefix:                           25942
Transit ASes present in the Internet Routing Table:               10693
Transit-only ASes present in the Internet Routing Table:            476
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                     107
    Max AS path prepend of ASN ( 37447)                             103
Prefixes from unregistered ASNs in the Routing Table:              1237
    Number of instances of unregistered ASNs:                      1240
Number of 32-bit ASNs allocated by the RIRs:                      42776
Number of 32-bit ASNs visible in the Routing Table:               35344
Prefixes from 32-bit ASNs in the Routing Table:                  183759
Number of bogon 32-bit ASNs visible in the Routing Table:           207
Special use prefixes present in the Routing Table:                   38
Prefixes being announced from unallocated address space:            623
Number of addresses announced to Internet:                   3055405023
    Equivalent to 182 /8s, 29 /16s and 199 /24s
    Percentage of available address space announced:               82.5
    Percentage of allocated address space announced:               82.5
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.5
Total number of prefixes smaller than registry allocations:      338250

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

Prefixes being announced by APNIC Region ASes:                   258042
    Total APNIC prefixes after maximum aggregation:               72571
    APNIC Deaggregation factor:                                    3.56
Prefixes being announced from the APNIC address blocks:          251399
    Unique aggregates announced from the APNIC address blocks:    98798
APNIC Region origin ASes present in the Internet Routing Table:   13784
    APNIC Prefixes per ASN:                                       18.24
APNIC Region origin ASes announcing only one prefix:               4064
APNIC Region transit ASes present in the Internet Routing Table:   1851
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         32
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9069
Number of APNIC addresses announced to Internet:              773940128
    Equivalent to 46 /8s, 33 /16s and 99 /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:                    281913
    Total ARIN prefixes after maximum aggregation:               125439
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           285144
    Unique aggregates announced from the ARIN address blocks:    131857
ARIN Region origin ASes present in the Internet Routing Table:    19131
    ARIN Prefixes per ASN:                                        14.90
ARIN Region origin ASes announcing only one prefix:                6948
ARIN Region transit ASes present in the Internet Routing Table:    1933
Average ARIN Region AS path length visible:                         3.7
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4842
Number of ARIN addresses announced to Internet:              1278210624
    Equivalent to 76 /8s, 47 /16s and 242 /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:                    281070
    Total RIPE prefixes after maximum aggregation:               127253
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           275232
    Unique aggregates announced from the RIPE address blocks:    160321
RIPE Region origin ASes present in the Internet Routing Table:    28533
    RIPE Prefixes per ASN:                                         9.65
RIPE Region origin ASes announcing only one prefix:               12042
RIPE Region transit ASes present in the Internet Routing Table:    3976
Average RIPE Region AS path length visible:                         4.1
    Max RIPE Region AS path length visible:                          33
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11415
Number of RIPE addresses announced to Internet:               716484831
    Equivalent to 42 /8s, 180 /16s and 176 /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:                  127721
    Total LACNIC prefixes after maximum aggregation:              28677
    LACNIC Deaggregation factor:                                   4.45
Prefixes being announced from the LACNIC address blocks:         127019
    Unique aggregates announced from the LACNIC address blocks:   49321
LACNIC Region origin ASes present in the Internet Routing Table:  11058
    LACNIC Prefixes per ASN:                                      11.49
LACNIC Region origin ASes announcing only one prefix:              2301
LACNIC Region transit ASes present in the Internet Routing Table:  2383
Average LACNIC Region AS path length visible:                       4.6
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8872
Number of LACNIC addresses announced to Internet:             178514208
    Equivalent to 10 /8s, 163 /16s and 233 /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:                  33855
    Total AfriNIC prefixes after maximum aggregation:              6022
    AfriNIC Deaggregation factor:                                  5.62
Prefixes being announced from the AfriNIC address blocks:         44420
    Unique aggregates announced from the AfriNIC address blocks:  12660
AfriNIC Region origin ASes present in the Internet Routing Table:  1805
    AfriNIC Prefixes per ASN:                                     24.61
AfriNIC Region origin ASes announcing only one prefix:              587
AfriNIC Region transit ASes present in the Internet Routing Table:  339
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                      107
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1146
Number of AfriNIC addresses announced to Internet:            107804160
    Equivalent to 6 /8s, 108 /16s and 246 /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        9614       8904      99  CHINAMOBILE-CN China Mobile Communicati
  7545        5735        785     699  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5018       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4249        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4031       1857      51  VNPT-AS-VN VNPT Corp, VN
  7552        3739       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3595       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3199        498     255  BBIL-AP BHARTI Airtel Ltd., IN
  4766        2740      11270     605  KIXS-AS-KR Korea Telecom, KR
 24560        2532        850     381  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        9083      10987    3291  AMAZON-02, US
 11492        4538        301     672  CABLEONE, US
  7155        4181        289     101  VIASAT-SP-BACKBONE, US
   174        3824       6667     637  COGENT-174, US
 22773        3648       3062     308  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3546       1319      66  SHAW, CA
   749        3163      54958    2415  DNIC-AS-00749, US
 16625        3079       1435    2326  AKAMAI-AS, US
   367        3018       3850    1413  DNIC-ASBLK-00306-00371, US
396982        2699       3597     394  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        8595       1174    2971  TTNET, TR
 12479        7386       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4148       3399     181  AKAMAI-ASN1, NL
  8551        3448        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  9009        3041        273    1505  M247, RO
 12389        3003       2295     919  ROSTELECOM-AS, RU
  8452        2532       1852      16  TE-AS TE-AS, EG
  5384        2461        585      27  EMIRATES-INTERNET Emirates Internet, AE
 34984        2377        365     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       11908       3381     611  UNINET, MX
 10620        3534        504     858  Telmex Colombia S.A., CO
 13999        2393        331     629  Mega Cable, S.A. de C.V., MX
 11830        2007        369      64  Instituto Costarricense de Electricidad
 28573        1331       2324     233  Claro NXT Telecomunicacoes Ltda, BR
  6503        1302        344     510  Axtel, S.A.B. de C.V., MX
  3816        1297        766     191  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1111        369      22  Telefonica del Peru S.A.A., PE
 28202        1099         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1076        169     427  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        1885        319      45  Telkom-Internet, ZA
 24863        1607        393      19  LINKdotNET-AS, EG
 24835        1535        549      28  RAYA-AS, EG
 36992        1326       1516     283  ETISALAT-MISR, EG
 36903        1248        553      98  MT-MPLS, MA
 29571        1044         67      45  ORANGE-COTE-IVOIRE, CI
 36935         938        521      44  Vodafone-, EG
  6713         550       1861      34  IAM-AS, MA
 36914         546         82       3  KENET-AS, KE
 15399         541         55      53  WANANCHI-, KE

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       11908       3381     611  UNINET, MX
  9808        9614       8904      99  CHINAMOBILE-CN China Mobile Communicati
 16509        9083      10987    3291  AMAZON-02, US
 47331        8595       1174    2971  TTNET, TR
 12479        7386       1713     145  UNI2-AS, ES
  7545        5735        785     699  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5018       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4538        301     672  CABLEONE, US
 18403        4249        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        9614         9515  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7386         7241  UNI2-AS, ES
 16509        9083         5792  AMAZON-02, US
 47331        8595         5624  TTNET, TR
  7545        5735         5036  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5018         4943  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4249         4224  FPT-AS-AP FPT Telecom Company, VN
  7155        4181         4080  VIASAT-SP-BACKBONE, US
 45899        4031         3980  VNPT-AS-VN VNPT Corp, VN

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:    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
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      /11:101     /12:300     
/13:581     /14:1211    /15:2147    /16:13684   /17:8579    /18:14789   
/19:25820   /20:45849   /21:54606   /22:114402  /23:107217  /24:589568  
/25:1134    /26:1088    /27:1479    /28:157     /29:236     /30:76      
/31:69      /32:676     

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

   ASN  No of nets  Total ann.  Description
 47331        7714        8595  TTNET, TR
 12479        6472        7386  UNI2-AS, ES
  8151        5914       11908  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3450        4538  CABLEONE, US
  6327        3356        3546  SHAW, CA
  7155        3126        4181  VIASAT-SP-BACKBONE, US
  8551        2924        3448  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2694        3648  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2155        2498  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2258      2:1596      3:264       4:8         5:4630      6:137    
   7:6         8:1615      9:1        11:172      12:1507     13:367    
  14:2417     15:303      16:198      17:374      18:661      20:319    
  21:4        22:188      23:6530     24:2933     25:2        27:2670   
  29:19       31:2696     32:94       34:26       35:119      36:2018   
  37:4661     38:6498     39:878      40:144      41:4827     42:2077   
  43:2408     44:329      45:17496    46:4488     47:379      49:1846   
  50:1911     51:584      52:1627     54:389      55:938      56:5      
  57:135      58:1943     59:1205     60:1009     61:2728     62:2819   
  63:1948     64:5866     65:2410     66:5167     67:3107     68:1366   
  69:4207     70:1399     71:683      72:3031     74:2664     75:1613   
  76:635      77:2440     78:4031     79:3029     80:2154     81:2076   
  82:1592     83:1379     84:1592     85:3950     86:868      87:2269   
  88:2911     89:3982     90:627      91:8007     92:2143     93:2655   
  94:3726     95:5168     96:1340     97:318      98:1124     99:732    
 100:123     101:1324    102:3270    103:32738   104:4763    105:2002   
 106:984     107:2744    108:1156    109:4321    110:2186    111:3180   
 112:2128    113:1813    114:1706    115:2152    116:1940    117:2571   
 118:2761    119:2066    120:1849    121:1240    122:2767    123:2279   
 124:1665    125:2601    128:1549    129:1014    130:1095    131:2083   
 132:975     133:408     134:1792    135:350     136:977     137:988    
 138:2826    139:1687    140:1304    141:1338    142:1550    143:1631   
 144:1016    145:351     146:1999    147:1614    148:2528    149:2384   
 150:900     151:1249    152:2006    153:593     154:5416    155:1402   
 156:2058    157:1380    158:1067    159:2210    160:2719    161:1620   
 162:3555    163:1677    164:1771    165:1917    166:1092    167:1764   
 168:4036    169:826     170:4920    171:951     172:3821    173:3009   
 174:994     175:1257    176:3931    177:5371    178:3581    179:2436   
 180:2607    181:3579    182:3400    183:2034    184:2289    185:20990  
 186:5075    187:4520    188:4350    189:4180    190:9528    191:1852   
 192:11044   193:9015    194:7543    195:5487    196:3644    197:3018   
 198:6087    199:6209    200:8274    201:6319    202:10952   203:10581  
 204:4615    205:3751    206:4477    207:3575    208:4203    209:4973   
 210:4735    211:2638    212:4414    213:3529    214:1106    215:70     
 216:6895    217:3029    218:1330    219:608     220:2041    221:985    
 222:855     223:2180   

End of report


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