See http://www.merit.edu/ipma for a more detailed report on
routing problems and recommendations on ways service providers can
limit the spread of invalid routing information.
Send comments and questions to ipma@merit.edu
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Also see http://www.caida.org for more information about Internet statistics
collection research efforts.
Reserved Network and Host Announcements
---------------------------------------
192.198.129.128/27 at AADS from conxion (AS4544) ASPATH=4544 1760 IGP
195.12.164.128/28 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 1299 1299 8516 INCOMPLETE
195.12.164.248/29 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 1299 1299 8516 INCOMPLETE
195.12.165.0/29 at Mae-East from AGIS (AS4200) ASPATH=4200 1833 1299 1299 1299 8516 INCOMPLETE
Largest Sources of BGP Instability
----------------------------------
(announcements + withdraws = total)
1. internetMCI (AS3561) at AADS 48023 + 15810 = 63833 BGP prefix updates
2. NetKonect (AS6716) at Mae-East 0 + 16882 = 16882 BGP prefix updates
3. SPRINT (AS1239) at Mae-East 12777 + 3047 = 15824 BGP prefix updates
4. CAIS (AS3491) at AADS 6608 + 2785 = 9393 BGP prefix updates
5. WNA (AS2914) at Paix 6477 + 2509 = 8986 BGP prefix updates
6. idc (AS4694) at Mae-West 0 + 6575 = 6575 BGP prefix updates
7. BBNplanet (AS1) at Mae-East 844 + 5259 = 6103 BGP prefix updates
8. AT&T (AS6478) at AADS 3811 + 1778 = 5589 BGP prefix updates
9. internetMCI (AS3561) at Mae-East 2953 + 1321 = 4274 BGP prefix updates
10. WNA (AS2914) at Mae-East 3212 + 398 = 3610 BGP prefix updates
Instability Ranking of Service Providers
----------------------------------------
(The number of BGP announcements divided by the number
of routing table entries)
1. IBMGlobal(AS2685) at AADS 459.67 (1379 ann, 3 entries)
2. OurWorld(AS7594) at Paix 43.00 (43 ann, 1 entries)
3. VisiNet(AS6261) at Mae-East 27.05 (514 ann, 19 entries)
4. HLC(AS4565) at AADS 7.86 (503 ann, 64 entries)
5. CAIS(AS3491) at AADS 6.61 (6608 ann, 1000 entries)
6. conxion(AS4544) at AADS 6.28 (113 ann, 18 entries)
7. Internex(AS2828) at AADS 5.80 (412 ann, 71 entries)
8. WNA(AS2914) at Paix 5.55 (6477 ann, 1168 entries)
9. OLEANE(AS2917) at Mae-East 2.98 (125 ann, 42 entries)
10. OneCall(AS6402) at AADS 2.78 (217 ann, 78 entries)
11. HLC(AS4565) at Paix 2.77 (177 ann, 64 entries)
12. ThePlanet(AS5388) at Mae-East 2.76 (218 ann, 79 entries)
13. Priori(AS10303) at Paix 2.76 (102 ann, 37 entries)
14. WNA(AS2914) at Mae-East 2.75 (3212 ann, 1169 entries)
15. internetMCI(AS3561) at AADS 2.72 (48023 ann, 17671 entries)
16. Internex(AS2828) at Paix 2.33 (163 ann, 70 entries)
17. AT&T(AS6478) at AADS 1.61 (3811 ann, 2371 entries)
18. OneCall(AS6402) at Mae-East 1.15 (90 ann, 78 entries)
19. Netcom(AS2551) at AADS 1.03 (321 ann, 312 entries)
20. DISC(AS7170) at Mae-East 1.03 (117 ann, 114 entries)
Count of Announced Prefixes with AS origin IRR Discrepancies
------------------------------------------------------------
(See http://www.merit.edu/ipma/problems/)
1. SPRINT (1239) at mae-east 4046
2. internetMCI (3561) at pb 986
3. BBNplanet (1) at mae-west 459
4. AGIS (4200) at mae-east 267
5. IBMGlobal (2685) at mae-west 224
6. Digex (2548) at mae-west 198
7. CAIS (3491) at aads 197
8. Grid (6113) at pb 194
9. AT&T (6478) at pb 184
10. NASA (297) at mae-west 173
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:18 EDT